JP2002289364A - Illumination control signal transmitting equipment, illumination control system, and illumination control equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To assign a channel flexibly and simply, without requiring arrangement of a new physical cable. SOLUTION: When an illumination control signal generated by illumination control equipment 1 is transmitted to illumination equipment 4, input side illumination control signal relay equipment 2 recognizes a transmitting channel number, which is used at the time of transmitting a illumination control signal from output side illumination control signal relay equipment 5 to the illumination equipment 4 by a transmitting channel number information corresponding to a receiving channel number information when receiving the illumination control signal. Moreover, data for transmitting the illumination control signal to the illumination equipment 4 from the output side illumination control signal relay equipment 5 by the recognized transmitting channel number, is created.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting control system having a plurality of lighting devices and controlling the plurality of lighting devices by the lighting control device. In the lighting control system, the lighting control system is provided between the lighting control devices and the lighting devices. The present invention relates to a lighting control signal transmitting device and a lighting control device.

[0002]

2. Description of the Related Art Conventionally, an illumination control system configured as shown in FIG. 19 is known. This lighting control system outputs a lighting control signal for controlling a plurality of lighting devices 102 from a plurality of dimmer controllers 101 operated by a user, and outputs a patch panel 103 or a dimming panel 10.
In many cases, a plurality of lighting devices 102 are controlled via a lighting control signal relay device 4.

In this lighting control system, three signal lines 111A among the signal lines connected from the dimmer controller 101 to the patch panel 103 are connected to the patch panel 1
A signal line 111 </ b> B is wired to control the lighting device 102 directly connected to the patch panel 103 from the patch panel 103.

In a conventional lighting control system, a lighting device 1
In many cases, a method in accordance with the DMX512 standard is used to control the 02. This DMX51
2 standards are EIA / TIA serial transmission standards,
Use of a maximum of 512 logical channels is permitted for one system, which is one coaxial cable connecting one or a plurality of lighting devices 102 in the form of a bus.

In the conventional lighting control system, a channel number to be output is assigned to a lighting control signal conforming to the DMX512 standard transmitted from the dimmer controller 101 in accordance with a physical connection relation of the patch panel 103. That is, in the lighting control system shown in FIG. 19, the dimmer controller 101 assigns a different channel number to each lighting control signal transmitted to each signal line.

[0006]

In the conventional lighting control system, in order to change the assignment of channel numbers, a method of changing the physical connection of the patch panel 103 or electronic switching of a soft patch panel or the like is used. Is required.

In the conventional lighting control system, the number of channels that can be used per system is 512, and therefore, there is a limitation that the number of lighting devices 102 that can be controlled per system is 512. Therefore, when the number of necessary lighting devices 102 is larger than the connectable number corresponding to the number of existing systems, it is necessary to newly install a cable in order to increase the number of systems.

[0008] As a method of solving such a problem,
A general-purpose LAN (Local Area N) is disclosed as a transmission method for a lighting control signal disclosed in Japanese Patent Application Laid-Open No. 9-320766.
etwork) standard Ethernet (registered trademark) (Eth
ernet (registered trademark)). In such a method, it is necessary to associate the address of the lighting device 102 operating according to the DMX512 standard with the address used in the Ethernet.

In view of the above, the present invention has been proposed in view of the above-mentioned circumstances, and can flexibly and easily perform channel assignment. Further, the present invention does not require a physical cable to be newly provided. An object is to provide a lighting control signal transmitting device, a lighting control system, and a lighting control device that can be assigned.

[0010]

In order to solve the above-mentioned problems, the invention according to claim 1 is connected to a lighting control device that generates a lighting control signal for controlling a lighting device according to a first protocol, A lighting control signal receiving device connected in accordance with a first protocol with the lighting device, and a lighting control signal transmitting device connected in accordance with a second protocol, wherein receiving means for receiving a lighting control signal from the lighting control device in accordance with the first protocol Receiving channel number information used by the receiving means to receive the lighting control signal; and a transmission channel used to transmit a lighting control signal from the lighting control signal receiving means to the lighting device according to a first protocol. Address table storage means for storing an address table in which number information is associated with the address table; When the receiving unit receives the illumination control signal on the channel set by the receiving channel number information stored in the table storing unit, the transmitting unit refers to the address table and transmits transmission channel number information corresponding to the receiving channel number information. Converting means for recognizing and converting into illumination control signal received by the receiving means and data according to the second protocol including the recognized transmission channel number information;
Transmitting means for transmitting the data converted by the converting means to the lighting control signal receiving device according to a second protocol.

In such a lighting control signal transmitting apparatus, when transmitting the lighting control signal to the lighting apparatus, the lighting control signal transmitting apparatus transmits the lighting control signal to the lighting apparatus using transmission channel number information corresponding to the reception channel number information at the time of reception. Recognize the transmission channel number when transmitting the control signal,
Using the recognized transmission channel number, data for transmitting a lighting control signal from the lighting control signal receiving device to the lighting device is created.

[0012] In the invention according to claim 2, the address table storage means continuously stores a plurality of channels used for transmitting a lighting control signal from the lighting control signal receiving means to the lighting device according to a first protocol. An address table including transmission channel number information to be specified is stored, and the conversion means converts the plurality of continuous channel numbers to data according to the second protocol, including transmission channel number information to specify.

[0013] In the invention according to claim 3, the address table storage means stores an address table in which reception channel number information designating one channel and transmission channel number information designating a plurality of channels in succession are associated with each other. The conversion means refers to the address table when the receiving means receives the illumination control signal on the channel set by the reception channel number information designating the one channel, and refers to the address table. The second channel including transmission channel number information for continuously specifying a plurality of the channels corresponding to the reception channel number information for specifying the second channel.
Convert to data according to the protocol.

According to a fourth aspect of the present invention, the address table storage means stores an address table in which reception channel number information for continuously specifying a plurality of channels is associated with transmission channel number information for specifying one channel. Is stored, and the converting means, when the receiving means receives the illumination control signal on a channel set by receiving channel number information that specifies a plurality of the channels in succession,
With reference to the address table, the data is converted into data according to the second protocol including transmission channel number information designating the one channel corresponding to reception channel number information designating a plurality of the channels in succession.

In the invention according to claim 5, the address table includes reception port number information used by the receiving means to receive the illumination control signal, and the illumination control signal to which the illumination control signal is transmitted. Destination address information of the signal receiving device and transmission port number information used to transmit a lighting control signal from the lighting control signal receiving means to the lighting device in accordance with a first protocol are further stored. The reception port number information and the reception channel number information used to receive the illumination control signal, the transmission destination address information of the illumination control signal receiving device that is the transmission destination of the illumination control signal, the illumination control signal receiving means Transmission port number information and transmission channel number information used to transmit a lighting control signal to the lighting device according to the first protocol; It has been associated with each other.

In the invention according to claim 6, the terminal table is connected to a terminal device operated by a user to set the address table, and an address table is created based on information from the terminal device to store the address table. And a terminal device connection means for storing the information in the terminal.

In the invention according to claim 7, the terminal device is the lighting control device, and the terminal device connection means creates an address table based on information from the lighting control device.

According to the present invention, the address table setting screen image data is transmitted in response to an external request, and the address is set in accordance with the address table setting information received in response to the transmission of the address table setting screen image data. A server function for creating a table and storing the table in the address table storage means is further provided.

According to the ninth aspect of the present invention, the illumination control device for generating an illumination control signal for controlling the illumination device is connected to the illumination control device via a signal line for transmitting a signal according to a first protocol, and Receiving means for receiving a lighting control signal from a control device in accordance with the first protocol; receiving channel number information used for receiving the lighting control signal by the receiving means; Address table storage means for storing an address table in which transmission channel number information used for transmitting an illumination control signal in accordance with the first protocol is stored; and reception channel number information stored in the address table storage means. When the receiving means receives the illumination control signal on the set channel, the address table Converting means for recognizing the transmission channel number information corresponding to the reception channel number information with reference to the above, and converting the data into the data according to the second protocol including the illumination control signal received by the receiving means and the recognized transmission channel number information. A lighting control signal transmitting device, comprising: a lighting control signal transmitting unit that transmits the data converted by the converting unit to the lighting control signal receiving device according to a second protocol; An illumination control signal receiving device is connected to the device via a communication line that transmits signals according to the second protocol, and is connected to the lighting device according to the first protocol.

In such a lighting control system, when transmitting the lighting control signal generated by the lighting control device to the lighting device, the lighting control signal transmitting device uses the transmission channel number information corresponding to the reception channel number information at the time of reception. Recognize the transmission channel number when transmitting the lighting control signal to the lighting device, and create data for transmitting the lighting control signal from the lighting control signal receiving device to the lighting device with the recognized transmission channel number using the lighting control signal transmitting device. I do.

According to a tenth aspect of the present invention, in the lighting control signal receiving device connected in accordance with the first protocol with the lighting device and the lighting control device connected in accordance with the second protocol, the lighting device is operated in accordance with a user operation. A lighting control signal generating means for generating a lighting control signal to be controlled; and an address table for specifying transmission channel number information used for transmitting a lighting control signal from the lighting control signal receiving means to the lighting device according to a first protocol. Address table storage means for storing, and when the lighting control signal is generated by the lighting control signal generating means, the transmission channel number information is recognized with reference to the address table, and the generated lighting control signal and the recognized transmission channel number are recognized. Converting means for converting data including information into data in accordance with the second protocol; The converted data, and transmitting means for transmitting to the lighting control signal receiving apparatus according to a second protocol.

In such a lighting control device, when the lighting control signal generated by the lighting control signal generating means is transmitted to the lighting device, a transmission channel for transmitting the lighting control signal from the lighting control signal transmitting device to the lighting device is used. The number is recognized, and data for transmitting a lighting control signal from the lighting control signal receiving device to the lighting device is created with the recognized transmission channel number.

[0023]

Embodiments of the present invention will be described below with reference to the drawings.

The present invention is applied to a lighting control system configured as shown in FIG. 1, for example.

[Configuration of Lighting Control System] As shown in FIG. 1, the lighting control system includes a plurality of lighting control devices 1 operated by a user, and an input side connected to each lighting control device 1 according to the DMX512 standard. A lighting control signal relay device 2;
Each lighting signal relay device 2 is connected to an LA
A plurality of hubs 3 connected to a LAN line 11 conforming to the N standard
And a plurality of lighting devices 4, and an output-side lighting control signal relay device 5 connected to one or more lighting devices 4.

Further, in this lighting control system, a light control panel 6 may be connected to the output side lighting control signal relay device 5. In the light control panel 6, a plurality of lighting devices are connected by physical wiring and output a lighting control signal to each light control device.

The lighting control system further includes a terminal device 7 connected to the IP-based LAN line 11 and operated by a user to perform various settings of the lighting control device 1. The terminal device 7 includes an input-side illumination control signal relay device 2.
Information that logically specifies the connection relationship between the output-side lighting control signal relay device 5 and the output-side lighting control signal relay device 5 and the lighting device 4 is created. The lighting control device 1 sets a destination of the DMX512 signal, a used port, and various information for specifying a used channel. This terminal device 7 is a TELNET (TELecommnication NETwor).
k) and SNMP (Simple Network Management Protocol)
The connection is made by using a communication protocol such as l) to connect to the advertisement requester terminal 2.

The terminal device 7 is composed of, for example, a personal computer, and has an operation input function mainly operated by a user, a display function for displaying a logical connection relationship, a memory function used as a work area, and an input-side illumination control. It has a communication function for communicating with the signal relay device 2.

In this illumination control system, between the illumination control device 1 and the input-side illumination control signal relay device 2, between the output-side illumination control signal relay device 5 and the illumination device 4, and between the output-side illumination control signal relay device Signals are transmitted and received between the light control panel 5 and the light control panel 6 in accordance with the DMX512 standard, which is a lighting control protocol. In this lighting control system, between the input-side lighting control signal relay device 2 and the hub 3, between the hubs 3, and between the hub 3 and the output-side lighting control signal relay device 5, for example, a general-purpose Ethernet or the like is used. Transmission and reception of signals conforming to the LAN standard are performed.

In such a lighting control system, when the lighting control device 1 is operated by the user to control the lighting device 4, the lighting control device 1 sends the input-side lighting control signal relay device 2 according to the DMX512 standard. Send a signal.
Next, the input side lighting control signal relay device 2 converts the signal into a signal conforming to the Ethernet standard,
The signal is transmitted to the line 11 and transmitted to the output-side illumination control signal relay device 5 connected to the illumination device 4 via the hub 3. Next, the output-side illumination control signal relay device 5 converts the signal conforming to the Ethernet standard again into a signal conforming to the DMX512 standard, and outputs the signal to the illumination device 4. Thereby, the operation according to the operation content of the lighting control device 1 is performed on the lighting device 4.

"Signal Form Transmitted by Lighting Control System" FIG. 2 shows a signal form in the lighting control system to which the present invention is applied. FIG. 2A shows a DMX 51 transmitted from the lighting control device 1 to the input-side lighting control signal relay device 2.
(B) shows the data content converted by the input-side illumination control signal relay device 2 and transmitted on the LAN line 11,
(C) shows the signal content according to the DMX512 standard after being converted again by the output side illumination control signal relay device 5.

According to FIG. 2A, the DMX512 signal is serial data that is temporally continuous, and includes a start code (Start Code) and channel data of channel numbers "1" to "512". Are continuously and cyclically output from the illumination control device 1 to the input-side illumination control signal relay device 2. The channel data indicates the content of the lighting control of the lighting device 4 using the channel. Information indicating the start position of the channel data is added to the head of each channel data, and information indicating the end position of the channel data is added to the rear end of the data of each channel.

The DMX512 signal shown in FIG. 2A is converted by the input-side illumination control signal relay device 2 so that
It is converted into packet data as shown in (a) of FIG. The packet data in (a) is a UDP (User D
Atagram Protocol), IP (Internet Protocol), and Ethernet in order to perform packet transmission in conformity with the Ethernet standard, a DMX512 data shown in FIG.
A DP header field, an IP header field, and an Ethernet header field are sequentially provided.
An FCS field is provided at the end of the MX512 data. Here, the IP header field is provided with an address field in which the IP address of the output-side illumination control signal relay device 5 is stored.
Is set by

The DMX512 data in the DMX512 format in (a) is configured as shown in (b). According to (b), as the DMX512 data, a port ID field for transmitting a DMX512 signal from the output side illumination control signal relay device 5 to the illumination device 4, a start channel field, an end channel field, and illumination according to the DMX512 standard. Control signals are stored in the order of data fields stored for each channel.

The contents of the DMX512 data shown in (b) will be specifically described. As shown in (c), the port number "1" of the input side illumination control signal relay device 2 is used and the port number "1" is used. To control the lighting apparatus 4 using data corresponding to the channel numbers “101” to “200” using the channel numbers “101” to “200” and (c) ) Is used as the packet data.

In the output side illumination control signal relay device 5, the DMX5 packet of the DMX512 packet shown in FIG.
When receiving the 12 data, the channel number “10” in (c) is received.
Data corresponding to “1” to channel number “200” is stored in the area corresponding to the DMX512 signal as shown in FIG.

[Structure of Lighting Control Device 1] FIG. The lighting control device 1 includes a data storage unit 21 that stores scene data indicating a scene such as a stage illuminated by the lighting device 4, a display unit 22 that displays scene data, sequence data indicating the contents of lighting control, and the like, , An operation input unit 24 composed of faders, other switches, dials, and the like, to which the illumination control content of the illumination device 4 is input by the user, and a console control unit 25 for controlling the entire illumination control device 1. And a DMX transmission unit 26 connected to the input-side illumination control signal relay device 2.

In such a lighting control device 1, when the user operates the operation input unit 24, the console control unit 25 generates a lighting control signal indicating which lighting device 4 is to be controlled similarly. DMX generated lighting control signal
The transmitting unit 26 transmits the signal to the input-side illumination control signal relay device 2 in a signal form conforming to the DMX512 standard.

In the lighting control device 1, when the operation input unit 24 is operated, various settings by the user are accepted if the user has a valid access right. The illumination control device 1 receives a desired value in an address table described later in the input-side illumination control signal relay device 2, and transmits the input value to the input-side illumination control signal relay device 2. The input of the value to the address table will be described in a channel number assignment process described later.

[Structures of the input-side illumination control signal relay device 2 and the output-side illumination control signal relay device 5] FIG. 4 shows the input-side illumination control signal relay device 2 and the output-side illumination control signal relay device 5.
Is shown. In the description of FIG. 4, the input-side illumination control signal relay device 2 and the output-side illumination control signal relay device 5 are simply referred to as “illumination control signal relay devices”.

The lighting control signal relay device performs protocol conversion between the Internet Protocol (IP) and the DMX512 standard, and transmits a lighting control signal from the lighting control device 1 and receives a status signal indicating the state of the lighting device 4. do.

As shown in FIG. 4, the lighting control system includes a DMX receiving unit 31 and a DMX transmitting unit 32 connected to DMX devices of the lighting control device 1 and the lighting device 4, and a LAN.
Ethernet interface 3 connected to line 11
3 is provided.

The DMX receiving section 31 has a DMX interface 41 connected to a DMX device and a DMX 512 for receiving a DMX512 signal received by the DMX interface 41.
X receiving unit 42, a receiving buffer 43 for temporarily storing a received DMX512 signal, a protocol converting unit 44 for performing protocol conversion, a control unit 45 for controlling protocol conversion, and an address table storing unit for storing an address table 46 and a setting unit 4 for setting an address table
7, a transmission buffer 48 for temporarily storing data to be transmitted, and an Ethernet transmission unit 49 connected to the LAN line 11.

The DMX interface 41 is a DMX5
It receives a DMX512 signal from a DMX device (illumination control device 1) and outputs it to a DMX receiving unit 42 in conformity with the 12 standards.

The DMX receiving section 42 receives the continuously transmitted DMX512 signal, and writes the received DMX512 signal into the reception buffer 43 every predetermined period.

The receiving buffer 43 temporarily stores the DMX512 signal received by the DMX receiving unit 42, and the contents thereof are read by the protocol converting unit 44.

The control unit 45 monitors the amount of storage in the reception buffer 43, and if there is a change in the amount of storage, takes out the changed DMX512 signal from the reception buffer 43 and inputs the changed DMX512 signal to the protocol conversion unit 44. The control unit 4
5 performs a process of reading the address table stored in the address table storage unit 46 and outputting the address table to the protocol conversion unit 44.

The address table storage 46 stores an output destination,
In particular, in the case of the input-side illumination control signal relay device 2, since the output-side illumination control signal relay device 5 transmits the DMX512 signal, the port number and channel number to which the DMX512 signal is input, and the port of the output-side illumination control signal relay device 5 Number, IP address of the output side illumination control signal relay device 5,
An address table indicating a port number and a channel number is stored. The address table storage unit 46 stores the stored address table in a state set by the setting unit 47, and is read by the control unit 45.

The setting unit 47 is connected to the terminal device 7, so that a communication protocol common to the terminal device 7, for example, TEL
It implements NET and SNMP and receives information from the terminal device 7. The setting unit 47 includes an address table storage unit 46
Enter the address table to be stored in. This setting part 4
7, an address table storage unit 4 which is connected to the terminal device 7 and receives the address table set by the terminal device 7;
6 is output.

The protocol converter 44 converts a DMX512 signal as shown in FIG. 2A into a protocol according to UDP and IP to generate an IP packet. That is, the protocol conversion unit 44 receives the DMX512 signal from the reception buffer 43, and
6, the IP address of the destination illumination control signal relay device is stored in the address field of the IP header, and the port number is set to DMX5.
The channel number is stored in the port ID field of the 12 standard, and the channel number is set in the channel number field of the DMX512 standard.

The transmission buffer 48 includes a protocol conversion unit 4
A process for temporarily storing the IP packet subjected to the protocol conversion in step 4 and outputting the IP packet to the Ethernet transmitting unit 49 is performed.

The Ethernet transmission section 49 reads out the IP packet stored in the transmission buffer 48 at predetermined time intervals, and performs processing for transmitting the IP packet to the LAN line 11.

The DMX transmission unit 32 includes an Ethernet reception unit 50 connected to the Ethernet interface 33.
A reception buffer 51 for temporarily storing received packet data, a protocol conversion unit 52 for performing protocol conversion, a transmission buffer 53 for temporarily storing a DMX512 signal to be transmitted, and a process for transmitting the DMX512 signal And a DMX interface 55 connected to a DMX device.

The Ethernet receiver 50 is connected to the LAN line 1
2 (A) and 2 (a) are received from a device connected to the Ethernet interface 33 through the interface 1 and output to the reception buffer 51.

The receiving buffer 51 temporarily stores the data received by the Ethernet receiving unit 50 and outputs the data to the protocol converting unit 52.

The protocol converter 52 includes a UDP header,
IP including DMX512 data with IP header added
The packet is converted into a DMX512 signal, and the converted D
The MX512 signal is output to the transmission buffer 53. That is, the protocol conversion unit 52 performs a protocol conversion from the IP to the DMX512 standard.

The transmission buffer 53 includes a protocol conversion unit 5
2 to temporarily store the DMX512 signal and output it to the DMX transmission unit 54.

The DMX transmission section 54 extracts the DMX512 signal stored in the transmission buffer 53 and converts it into serial data which is temporally continuous as shown in FIG.
Output to the X interface 55.

The DMX interface 55 transmits the DMX512 signal from the DMX transmitting section 54 to the connected DMX device.

The Ethernet interface 33 is
It is connected to the AN line 11 and transmits and receives to and from another IP-compatible device connected via the LAN line 11. This Ethernet interface 33 has a transmission buffer 4
8 with a UDP header and IP header added
By adding an Ethernet header to the IP packet including the X512 data, the data is converted into the data shown in FIGS. Further, the Ethernet interface 33 interprets an Ethernet header included in data according to an external Ethernet standard and outputs the result to the Ethernet receiving unit 50.

"Operation of input side illumination control signal relay device 2"
Input-side illumination control signal relay device 2 having the above configuration
Means that the terminal device 7 is operated by the user who operates the
7 to perform a channel number assignment process for setting an address table, and store the address table created by the setting unit 47 in the address table storage unit 46. Here, the input-side illumination control signal relay device 2 has information for assigning channels in the address table, and transmits the DMX512 signal to the DMX interface 4.
1 only, the protocol conversion unit 44 performs a protocol conversion process in accordance with the address table, converts the DMX512 signal from the lighting control device 1 into an IP packet, and transmits the IP packet to the LAN line 11.

Thus, the input-side illumination control signal relay device 2 can control the illumination of the specified illumination device 4 using the port and the channel of the output-side illumination control signal relay device 5 according to the address table. it can.

[Operation of output side illumination control signal relay device 5]
Output-side illumination control signal relay device 5 having the above configuration
Temporarily stores data received by the Ethernet receiving unit 50 via the LAN line 11 in the receiving buffer 51 and outputs the data to the protocol converting unit 52. Then, the protocol converter 52 refers to the port number and channel information described in the IP header, converts the data into DMX512 data, and outputs the data to the transmission buffer 53. And DMX5
12 data is converted into a DMX512 signal by the DMX transmission unit 54 and the DMX interface 55,
The lighting control signal is transmitted to the designated lighting device 4 using the port number and the channel described in the IP header according to the 2 standard.

[Structure of Light Control Panel 6] FIG. As can be seen from FIG. 5, the light control panel 6 includes a DMX receiving unit 61 connected to a device conforming to the DMX512 standard, such as the output-side illumination control signal relay device 5, and a DMX51.
A control unit 62 that interprets the two signals and generates a lighting control signal.
And a dimmer 63 that outputs a lighting control signal to the lighting device 4 to be controlled using a physical channel according to a lighting control signal from the control unit 62.

In such a light control panel 6, the illumination control device 1
Is received via the input-side lighting control signal relay device 2, the LAN line 11, the hub 3, and the output-side lighting control signal relay device 5, and recognizes the area of the channel number included in the serial data. Then, an illumination control signal is output to the illumination device 4 corresponding to the channel number.

[Channel Number Assignment Process of Input-Side Illumination Control Signal Relay Device 2] [First Channel Number Assignment Process] FIG. 4 shows an example of an address table. This address table designates a port number 71 and a channel number 72 used by the input-side lighting control signal relay device 2 to receive the DMX512 signal from the lighting control device 1, and further specifies the output-side lighting control signal relay device 5. IP address 73, DM
The port number 74 and the channel number 75 used to output the X512 signal to the lighting device 4 are designated.

That is, the first channel number assignment processing is as follows.
The setting unit 47 sets the input-side illumination control signal relay device 2 to D
A channel number used for receiving the MX512 signal is specified for each port, and further, an output-side illumination control signal relay device 5 for receiving the DMX512 signal received using the specified port and channel via the LAN line 11.
This is a process for designating the IP address of the device, the port and the channel used for transmitting the DMX512 signal from the output side lighting control signal relay device 5 to the lighting device 4. Then, the terminal device 7 transmits to the input-side illumination control signal relay device 2 information indicating the designated port number 71, channel number 72, IP address 73, port number 74, and channel number 75.

Setting section 4 of input side illumination control signal relay device 2
In step 7, by inputting an appropriate value via the terminal device 7, information that can be specified is acquired, an address table is created, and the address table is stored in the address table storage unit 46.

In the example shown in FIG. 6, the DMX512 signal received using the channel numbers “1”, “2”, and “10” of the port having the port number “1” is converted to the IP address “1”.
92.168.1.3 "is transmitted to the output-side illumination control signal relay device 5 to which the output-side illumination control signal relay device 5 is assigned.
The case where an address table to be transmitted to the lighting device 4 is created using the channels “101”, “102”, and “10” of the ports having the port numbers “1”, “1”, and “2”. Also, in FIG. 6, the DMX512 signal received using the channel numbers “1”, “10”, and “100” of the port with the port number “2” is converted into the IP address “192.1.
68.1.4 ”to the output-side illumination control signal relay device 5 to which the channel number“ 10 ”of the port number“ 1 ”,“ 2 ”, or“ 2 ”of the output-side illumination control signal relay device 5 is assigned.
The case where an address table to be transmitted to the lighting device 4 is created using “1”, “10”, and “100” has been described.

Using such an address table, D
When controlling the lighting device 4 with the MX512 signal,
When the DMX512 signal received at the specified port number and channel number of the DMX interface 41 is subjected to protocol conversion by the protocol conversion unit 44, the specified IP address is stored in the address field of the IP header, and the output side is stored in the DMX512 data. The designated port number and channel number used for transmitting the DMX512 signal from the lighting control signal relay device 5 to the lighting device 4 are stored.

Upon receiving the IP packet created in accordance with the address table, the output side illumination control signal relay device 5 receives the IP packet stored in the address field of the IP header.
By referring to the P address, it recognizes that the packet is an IP packet transmitted to itself. Next, in the output side illumination control signal relay device 5, the port I of the DMX512 format is used.
The port that outputs the DMX512 signal is recognized with reference to the designated port number stored in the D field. Next, the output side illumination control signal relay device 5 recognizes the channel to be output by referring to the specified channel number stored in the start field or the end field. The DMX512 signal stored in the data field is transmitted to the lighting device 4.

According to the illumination control system for performing the first channel allocation processing, the user operates the terminal device 7 to set all the channel allocations and to set the address by the input-side illumination control signal relay device 2. Since a table can be created, no physical wiring is required. Therefore, according to this lighting control system, channel assignment can be performed flexibly and easily, and further, channel assignment can be performed without having to newly install a physical cable.

According to the lighting control system, an address table for designating a channel is created, and the input-side lighting control signal relay device 2 is referred to with reference to the address table.
Thus, an illumination control signal can be transmitted by generating an IP packet, so that a finer channel assignment can be realized as compared with a case where a signal is transmitted by specifying a port unit.

Further, according to this lighting control system, since the address table is created by operating the terminal device 7, the input and output of the DMX512 signal are not restricted at the time of channel allocation, and the input-side lighting control signal relay device 2, the signal path received can be freely designated.

Furthermore, according to this lighting control system, it is possible to theoretically handle an infinite number of channels using a logical channel, which requires the installation of a physical cable.

Further, according to this lighting control system, all routes can be designated by setting only the input-side lighting control signal relay device 2 without considering the setting of the output-side lighting control signal relay device 5 and the like. Can be.

[Second Channel Number Assignment Processing] FIG. 7 shows an example of an address table when the second channel number assignment processing is performed by the input-side illumination control signal relay device 2.
The address table includes a port number 71 used by the input-side illumination control signal relay device 2 to receive the DMX512 signal from the illumination control device 1, a start channel number 76 for specifying a range of a plurality of continuous channels, and The end channel number 77 is specified, and the IP address 73 of the output-side lighting control signal relay device 5 and the port number 74 used to output the DMX512 signal to the lighting device 4
And a start channel number 78 and an end channel number 79 for specifying a range of a plurality of continuous channels.

That is, the second channel number assignment processing is as follows.
The setting unit 47 sets the input-side illumination control signal relay device 2 to D
The range of channel numbers used to receive the MX512 signal is specified for each port, and the DMX512 signal received using the specified port and channel is
IP address of output-side lighting control signal relay device 5 received via AN line 11, output-side lighting control signal relay device 5
This is a process of designating a port and a range of channels used for transmitting a DMX512 signal from the to the lighting device 4.
Then, the terminal device 7 receives the designated port number 71,
Start channel number 76 and end channel number 7
7, information indicating the IP address 73, the port number 74, the start channel number 78, and the end channel number 79 is transmitted to the input-side illumination control signal relay device 2.

Setting section 4 of input side illumination control signal relay device 2
In step 7, by inputting an appropriate value via the terminal device 7, information that can be specified is acquired, an address table is created, and the address table is stored in the address table storage unit 46.

In the example shown in FIG. 7, a continuous channel from the start channel number “1” of the port with the port number “1” to the end channel number “100” and the start channel number of the port with the port number “101” “ 10
The DMX512 signal received using the continuous channels from “1” to the end channel number “200” is
It is transmitted to the output-side illumination control signal relay device 5 to which the address “192.168.1.3” is assigned, and the start channel number “1” of the port having the port number “1” of the output-side illumination control signal relay device 5 To end channel number "100"
Continuous channel up to the start channel number "10
The case where an address table to be transmitted to the lighting device 4 is created using continuous channels from “1” to the end channel number “200” has been described. In FIG. 7, the channel numbers “1”, “10”,
The DMX512 signal received using "100" is
The P-address is transmitted to the output-side illumination control signal relay device 5 to which "192.168.1.4" is assigned, and the port numbers "1", "2", and "2" of the output-side illumination control signal relay device 5 are transmitted.
Channels "101", "10", "100"
Has been described, a case where an address table to be transmitted to the lighting device 4 is created by using the above.

Using such an address table, D
When controlling the lighting device 4 with the MX512 signal,
When the DMX512 signal received with the specified port number and channel number of the DMX interface 41 is subjected to protocol conversion by the protocol conversion unit 44, the specified IP address is stored in the address field of the IP header, and the output side is stored in the DMX512 data. The designated port number used to transmit the DMX512 signal from the lighting control signal relay device 5 to the lighting device 4 and the channel number in the designated range are stored.

When receiving the IP packet created according to the address table, the output side illumination control signal relay device 5 recognizes that the packet is an IP packet transmitted to itself by referring to the IP address, and stores it in the port ID field. DMX512 by referring to the designated port number
Recognize the port that outputs the signal. Next, the output-side illumination control signal relay device 5 recognizes the range of the output channel by referring to the designated channel numbers stored in the start field and the end field.
As a result, the output side illumination control signal relay device 5 uses the designated port, and sets the DMX corresponding to the channel in the designated range and the channel stored in the data field.
A 512 signal is transmitted to the lighting device 4.

According to the illumination control system for performing the second channel allocation processing, a series of continuous channels can be specified collectively, so that it is easier than in the case where each channel is specified. A lighting control signal can be transmitted.

Further, according to this lighting control system, it is possible to assign a continuous series of channel numbers to each lighting device 4 adjacent to each other, taking advantage of the fact that continuous channel numbers are often assigned. In addition, it is possible to easily allocate channels to the lighting devices 4 having continuous channel numbers.

[Split Processing by Lighting Control System] In the lighting control system to which the present invention is applied, a plurality of output-side lighting control signal relay devices are provided for one channel of the input-side lighting control signal relay device 2 to which a DMX512 signal is input. The split processing of outputting the DMX512 signal to the lighting device 4 from a plurality of ports of the lighting control signal relay device 5 or the output-side lighting control signal relay device 5 can be realized. Hereinafter, the first to third split processes will be sequentially described.

"First Split Process" In the first split process, as shown in FIG.
It is assumed that “0” is designated and the DMX512 signal is input from the illumination control device 1 to the port of the port number 1 of the input-side illumination control signal relay device 2.

Here, the address table stored in the address table storage unit 46 is, as shown in FIG.
Are stored in the address table storage unit 46 by the setting unit 47.

Then, the input side illumination control signal relay device 2 includes the DMX512 signal received using the channel number “1 to 200” of the port number “1”, and the protocol conversion unit 44 refers to the address table. Create the created IP packet and change the IP address to “192.1.
68.1.2 "output-side illumination control signal relay device 5A, I
The P-address is transmitted to the output-side illumination control signal relay device 5B of “192.168.1.3”.

The output-side illumination control signal relay device 5A and the output-side illumination control signal relay device 5B refer to the IP address of the IP packet, recognize that the packet is an IP packet transmitted to itself, and receive it.

Next, the output side illumination control signal relay device 5A refers to the port number field, the start channel field and the end channel field of the DMX 5112 format to determine the port number “1” for outputting the DMX 512 signal and the range of the channel. Recognize, DMX512
The DMX 512 data corresponding to the channel “1 to 100” transmitted by itself is extracted from the data and transmitted to the lighting device 4.

On the other hand, the output side illumination control signal relay device 5B refers to the port number field, start channel field and end channel field of the DMX 5112 format, and recognizes the port number “2” for outputting the DMX 512 signal and the range of the channel. And DMX512
Channel “101-200” transmitted by itself from data
Of the DMX512 data corresponding to
Send to

[Second Split Processing] As shown in FIG. 10, the second split processing includes channel numbers “1 to 20”.
By designating “0”, the DMX512 signal is input from the illumination control device 1 to the port number 1 of the input-side illumination control signal relay device 2.

Here, the address table stored in the address table storage unit 46 is based on the port number “1” of the output side illumination control signal relay device 5 and the channel numbers “1 to 10”.
0, and outputs the DMX512 signal of the channel numbers “101 to 200” from the port number “2”.
It is set to output 12 signals.

The input-side illumination control signal relay device 2 generates an IP packet with reference to the address table and outputs it to the output-side illumination control signal relay device 5. The address, port numbers “1” and “2” and the range of channel numbers corresponding to each port number are recognized. As a result, the output-side illumination control signal relay device 5 sets the DMX 51 according to the address table.
Two signals are transmitted to the lighting device 4.

"Third split processing" The third split processing is performed, as shown in FIG.
2 ”, the DMX512 signal is input from the lighting control device 1 to the port of the port number 1 of the input-side lighting control signal relay device 2. In the illumination control system that performs the third split processing, the input-side illumination control signal relay device 2
A case where the lighting device 4 is directly connected to A and 2B will be described.

Here, the address table stored in the address table storage unit 46 is based on the port number “2” of the input-side illumination control signal relay device 2 and the channel numbers “1 to 5”.
The DMX512 signal of “0” is output, and the channel number “5” is output from the port number “1” of the output side illumination control signal relay device 5A.
A DMX512 signal of "0 to 100" is output, and a DMX512 signal of channel number "101 to 2000" is output from the port number "2" of the output side illumination control signal relay device 5B. DMX5 from channel number “1” to channel number “201 to 300”
12 signals are output, and the channel numbers "301 to 400" are output from the port number "2" of the output-side illumination control signal relay device 5C.
Is output from the port number “1” of the input side illumination control signal relay device 2B to the channel number “501”.
ＤＭ512 ”are set to be output.

Then, the input side illumination control signal relay device 2A
Then, an IP packet is generated with reference to this address table and output to each device 2A, 2B, 6A, 6B, 6C, and the IP address, port number and each port are output by each device 2A, 2B, 6A, 6B, 6C. Recognize the range of channel numbers corresponding to the numbers. Thereby, each device 2A, 2
B, 6A, 6B and 6C correspond to D according to the address table.
Transmit the MX512 signal.

According to the illumination control system for performing such split processing, when a series of DMX512 signals are transmitted from the illumination control device 1 to the input-side illumination control signal relay device 2, the input-side illumination control signal relay device 2 A plurality of output-side illumination control signal relay devices 5 are simultaneously distributed, and each output-side illumination control signal relay device 5 recognizes a channel to be transmitted to the illumination device 4 and DMX512 data corresponding to the channel, and simultaneously transmits a plurality of output signals. The lighting device 4 can be operated.

Therefore, according to such a lighting control system, for example, when a user operates one fader provided in the lighting control device 1, the plurality of lighting devices 4 are simultaneously operated in the same manner to perform the same operation. This makes it possible to use a synchronous circuit, such as lighting a stage with brightness. Also,
In this lighting control system, the address table is set and stored in the input-side lighting control signal relay device 2 once, and the user does not need to operate the lighting control device 1 again, and the lighting control is performed on the set channel. A plurality of lighting devices 4 can be simultaneously controlled simply by transmitting a signal.

[Merge Processing in Lighting Control System]
In the lighting control system to which the present invention is applied, a DMX512 signal input using one or a plurality of channels to a plurality of ports of the input-side lighting control signal relay device 2 or a plurality of input-side lighting control signal relay devices 2 is provided. Thus, it is possible to realize a merge process for outputting to the lighting device 4 from one port of one output-side lighting control signal relay device 5. Hereinafter, the first to third merge processes will be sequentially described.

"First Merging Process" In the first merging process, as shown in FIG. 12, the channel numbers "1 to 100" are designated and the illumination control device 1 sends the input-side illumination control signal relay device 2
The DMX512 signal is input to the port number 1 of A, and the DMX512 signal is input from the lighting control device 1 to the port number 2 port of the input-side lighting control signal relay device 2B by designating the channel numbers “1 to 100”. Is entered.

Here, the input-side illumination control signal relay device 2A
The address table stored in the address table storage unit 46 is set in the terminal device 7 and stored in the address table storage unit 46 by the setting unit 47 as shown in FIG. The address table stored in the table storage unit 46 is set in the terminal device 7 as shown in FIG. 14 and stored in the address table storage unit 46 by the setting unit 47.

Then, the input-side illumination control signal relay device 2A
Then, the channel number "1-100" of the port number "1"
And an IP packet created by the protocol conversion unit 44 with reference to the address table and including the DMX512 signal received using the IP address "192.
168.1.3 "on the output side illumination control signal relay device 5. In the input-side illumination control signal relay device 2B,
Including the DMX512 signal received using the channel number “1-100” of the port number “21”, the IMX generated by the protocol conversion unit 44 by referring to the address table
Create a P packet and change the IP address to “192.16.
8.1.3 "to the output side illumination control signal relay device 5.

The output-side illumination control signal relay device 5 refers to the IP address of the IP header for the IP packet from the input-side illumination control signal relay device 2A and the IP packet from the input-side illumination control signal relay device 2B. Recognizing that the packet is an IP packet transmitted to the server, the packet is received.

Next, the output-side illumination control signal relay device 5 refers to the data fields of both IP packets received from the input-side illumination control signal relay device 2A and the input-side illumination control signal relay device 2B, and refers to the DMX512 format. DMX 51 by referring to the port number field, the start channel field and the end channel field.
It recognizes that the port numbers for outputting the two signals are both "1". Then, the input side illumination control signal relay device 2
The DMX512 data from A is assigned channel numbers “1 to 10”.
In addition to transmitting the DMX512 data from the input-side illumination control signal relay device 2B to the illumination device 4 using the channel numbers “101 to 200”, the transmission device transmits the DMX512 data.

[Second Merging Process] As shown in FIG. 15, the second merging process is performed by designating channel numbers "1 to 100" and sending a DMX512 signal to the port of port number 1 of the input side illumination control signal relay device 2A. Is input, and the DMX512 signal is input to the port of port number 1 of the input-side illumination control signal relay device 2B by designating the channel numbers “101 to 200”, and the channel numbers “201 to 300” and “301” are input.
~ 400 "and input side lighting control signal relay device 2C
The DMX512 signal is input to the ports of port numbers 1 and 2.

Here, the input-side illumination control signal relay device 2A
Each of the address tables stored in the address table storage units 46 to 2C is set so as to output a DMX512 signal from the port number “1” of the output-side illumination control signal relay device 5.

Input-side illumination control signal relay devices 2A to 2C
Refers to the stored address table, sets the IP address, port number, and channel number of the output-side illumination control signal relay device 5, and transmits an IP packet.

The output-side illumination control signal relay device 5 converts the DMX512 data included in the plurality of IP packets transmitted from the input-side illumination control signal relay devices 2A to 2C into DMX512 signals for transmission to the illumination device 4. The data is stored in the corresponding channel and transmitted to the lighting device 4.

[Third Merge Process] In the third merge process, as shown in FIG. 16, a channel number "1 to 100" is designated and a DMX512 signal is transmitted to the port of port number 1 of the input side illumination control signal relay device 2. Is input and the channel number “1” is entered.
01 to 200 ”, the DMX512 signal is input to the port of port number 2 of the input-side illumination control signal relay device 2.

Here, the address table stored in the address table storage section 46 of the input-side illumination control signal relay device 2 is based on the port number “1” of the output-side illumination control signal relay device 5 and the channel numbers “1 to 200”. DM using
It is set to output an X512 signal.

The input-side illumination control signal relay device 2 refers to the stored address table, sets the IP address, port number, and channel number of the output-side illumination control signal relay device 5, and transmits an IP packet. .

The output-side illumination control signal relay device 5 transmits each DMX512 data included in a plurality of IP packets transmitted from the input-side illumination control signal relay device 2 to the illumination device 4.
, Is stored in the corresponding channel of the DMX512 signal, and is transmitted to the lighting device 4.

[Fourth Merge Process] In the fourth merge process, as shown in FIG. 17, channel numbers "1 to 100" are designated and the port number "1" of the input-side illumination control signal relay device 2 is designated.
The DMX512 signal is input to the port No. 1, and the DMX512 signal is input to the port No. 2 by designating the channel numbers “101 to 200”. In the lighting control system that performs the fourth merge processing, a case where the lighting device 4 is directly connected to the input-side lighting control signal relay device 2 will be described.

Here, the address table stored in the address table storage unit 46 of the input-side illumination control signal relay device 2 is based on the port number “3” of the input-side illumination control signal relay device 2 and the channel numbers “1 to 200”. DM using
It is set to output an X512 signal.

The input-side illumination control signal relay device 2 refers to the stored address table, sets the port number and channel number of the input-side illumination control signal relay device 2, and is connected to the port number "3". DMX51 to the lighting device 4
Send two signals.

According to the illumination control system for performing such a merge processing, a plurality of input-side illumination control signal relay devices 2
By setting an address table for transmitting a DMX512 signal from one output-side lighting control signal relay device 5 to the lighting device 4, one system of the same or different lighting devices 4 connected to one cable is connected to a plurality of lighting devices. It can be operated from the control device 1. Therefore, according to this lighting control system, only by setting the address table,
Complex routes can be set flexibly and easily, and there is no need to lay new cables and the like.

[Other Configuration of Lighting Control Apparatus 1] FIG.
3 shows another configuration of the illumination control device 1. The same parts as those described above are denoted by the same reference numerals, and detailed description thereof will be omitted.

The illumination control device 1 is configured by adding the function of the input-side illumination control signal relay device 2 to the illumination control device 1 shown in FIG.

The illumination control device 1 includes an illumination control function section 81 having the same function as the illumination control device 1 described above.
When operated by the user, the lighting control function unit 81 generates a lighting control signal conforming to the DMX512 standard and outputs the signal to the data control unit 82 in the data transmission unit.

The illumination control function section 81 sets the address table in the setting section 47 and the console control section 25.
Is performed in accordance with the operation contents of the operation input unit 24 by the user, and is stored in the address table storage unit 46.

The data control unit 82 stores the address table storage unit 4 set with the terminal device 7 by the setting unit 47.
6 is input from the control unit 45, and an IP packet is generated with reference to the input address table. At this time, when adding the IP header and the UDP header to the DMX512 signal output from the internal lighting control function unit 81, the data control unit 82 sets the IP address of the output side lighting control signal relay device 5 described in the address table. The address is stored in the address field of the IP header, the port number is stored in the port ID field of the DMX512 format, and the channel number is stored in the DMX51.
It is stored in a start channel field and / or an end channel field of two formats.

Then, the IP packet generated by the data control unit 82 is output to the transmission buffer 48, and is transmitted to the Ethernet transmission unit 49 and the Ethernet interface 33.
Is transmitted to the LAN line 11 via the.

In the lighting control apparatus 1, when an IP packet is received by the Ethernet interface 33 via the LAN line 11, the IP packet is transmitted via the Ethernet receiving unit 50 and the receiving buffer 51 to the data control unit in the data receiving unit. Input to the unit 83.

The data control unit 83 analyzes the UDP header and the IP header added to the DMX512 data, extracts the DMX512 signal, and extracts the DMX512 signal.
Output to

According to such an illumination control device 1, FIG.
Is different from the lighting control system shown in FIG. 1 in that an address table is set by a signal line for receiving a DMX512 signal, TE
There is no need to use LNET or SNMP, and a lighting control system can be constructed with a simple configuration.

[Other Configurations of Lighting Control System] In the lighting control system, the setting unit 47 in the input-side lighting control signal relay device 2 sends, for example, a We in the Internet using IP.
b Add a function as a server. Then, the terminal device 7 can access the input-side illumination control signal relay device 2 using the Web browsing function. When an access request is generated from the terminal device 7, the setting unit 47 transmits the internally stored Web screen image data for setting an address table to the terminal device 7, and sets an address for setting the address table from the terminal device 7. Create an address table based on the table setting information. The setting unit 47 stores the created address table in the address table storage unit 46.
To memorize.

Thus, in the lighting control system, the setting of the address table is performed more easily than when the user operates the terminal device 7 and the lighting control device 1 to set the address table as described above. be able to.

The above embodiment is an example of the present invention. For this reason, the present invention is not limited to the above-described embodiment, and other than the present embodiment, various modifications may be made according to the design and the like within a range not departing from the technical idea according to the present invention. Can be changed.

[0130]

According to the first aspect of the present invention, when transmitting the illumination control signal to the illumination device, the illumination control signal is referred to the transmission channel number information corresponding to the reception channel number information at the time of reception. Since the transmission channel number when transmitting the lighting control signal from the signal transmitting device to the lighting device is recognized, and the data for transmitting the lighting control signal from the lighting control signal receiving device to the lighting device with the recognized transmission channel number is created, All the channel assignments can be set according to the contents of the address table, and no physical wiring is required. Therefore, according to this lighting control signal transmission device, channel assignment can be performed flexibly and easily, and further, channel assignment can be performed without having to newly install a physical cable.

Further, according to the first aspect of the present invention, it is possible to generate data to be transmitted with reference to the address table and transmit the illumination control signal. Channel allocation can be more finely realized than in the case of.

Further, according to the first aspect of the present invention, the input and output of the illumination control signal are not restricted at the time of channel assignment of the address table, and the received signal path can be freely designated.

Further, according to the first aspect of the present invention,
Logical channels can be used to theoretically handle myriad channels where physical cabling is required.

Further, according to the first aspect of the present invention,
Without considering the settings of the lighting control signal receiver, etc.
All routes can be specified by setting the address table.

According to the invention of claim 2, data is transmitted according to the second protocol with reference to an address table including transmission channel number information for continuously designating a plurality of channels. Can be collectively specified, so that the illumination control signal can be transmitted more easily as compared with the case where each channel is specified.

According to the second aspect of the present invention, a continuous series of channel numbers can be allocated by utilizing the fact that continuous channel numbers are often allocated to the lighting devices adjacent to each other. Therefore, it is possible to easily assign channels to lighting devices having consecutive channel numbers.

According to the third aspect of the present invention, by referring to the address table in which the reception channel number information for specifying one channel and the transmission channel number information for continuously specifying a plurality of channels are referred to, Since the data according to the second protocol including the transmission channel number information for continuously specifying a plurality of channels corresponding to the reception channel number information for specifying the channel is transmitted, a series of illumination control signals are transmitted from the illumination control device. When receiving, simultaneously distribute to a plurality of lighting control signal transmitting devices, each lighting control signal transmitting device recognizes a channel to be transmitted to the lighting device, a lighting control signal corresponding to the channel, and simultaneously transmits a plurality of lighting control signals. The device can be operated.

According to the fourth aspect of the present invention, the channel table is referred to by referring to the address table in which the reception channel number information for continuously specifying a plurality of channels and the transmission channel number information for specifying one channel are associated with each other. Is transmitted in accordance with the second protocol including the transmission channel number information specifying one channel, corresponding to the reception channel number information specifying a plurality of consecutively. The same or different lighting devices can be operated from multiple lighting control devices.

According to the fifth aspect of the present invention, in the address table, the receiving port number information used for receiving the lighting control signal by the receiving means and the information of the lighting control signal receiving apparatus to which the lighting control signal is transmitted. Since destination address information and transmission port number information used to transmit a lighting control signal from the lighting control signal receiving means to the lighting device according to the first protocol are further stored, not only the channel but also the receiving means is used. The port at the time of reception, the address of the lighting control signal receiving device, and the port at the time of outputting to the lighting device can be further designated.

According to the invention of claim 6, it is connected to the terminal device operated by the user to set the address table, and creates the address table based on the information from the terminal device to store the address table. The terminal device connection means is further provided for storing the lighting control signal with reference to the address table so as to control the lighting device according to the user's request.

According to the seventh aspect of the present invention, since the terminal device is a lighting control device, a user can set an address table together with a lighting control signal using the lighting control device.

According to the eighth aspect of the present invention, the address table setting screen image data is transmitted in response to an external request, and the address table setting information received in response to the transmission of the address table setting screen image data. Therefore, the address table can be easily created.

According to the ninth aspect of the present invention, when transmitting the illumination control signal generated by the illumination control device to the illumination device, the illumination control signal is transmitted based on the transmission channel number information corresponding to the reception channel number information at the time of reception. A lighting control signal transmitting device which recognizes a transmission channel number when transmitting a lighting control signal from the device to the lighting device, and transmits data for transmitting a lighting control signal from the lighting control signal receiving device to the lighting device with the recognized transmission channel number. Therefore, all channel assignments can be set according to the contents of the address table, and no physical wiring is required. Therefore, according to this lighting control signal transmission device, channel assignment can be performed flexibly and easily, and further, channel assignment can be performed without having to newly install a physical cable.

According to the tenth aspect of the present invention, when the illumination control signal generated by the illumination control signal generation means is transmitted to the illumination device, the illumination control signal transmission device transmits the illumination control signal to the illumination device. Since the transmission channel number is recognized and the data for transmitting the lighting control signal from the lighting control signal receiving device to the lighting device is created with the recognized transmission channel number, the setting of the address table is performed using a signal line or communication. There is no need to construct a system with a simple configuration.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a lighting control system to which the present invention is applied.

FIG. 2 is a diagram for explaining a signal form transmitted in a lighting control system to which the present invention is applied; FIG. 2 (A) is a diagram illustrating D transmitted from a lighting control device to an input-side lighting control signal relay device;
(B) shows data converted by the input-side lighting control signal relay device and data transmitted on the LAN line,
(C) shows the signal content according to the DMX512 standard after being converted again by the output side illumination control signal relay device,
(A) shows a configuration of an IP packet transmitted on a LAN line, (b) shows a signal form in a DMX512 format, and (c) shows an example when a lighting control signal is transmitted in a DMX512 format.

FIG. 3 is a block diagram illustrating a configuration of a lighting control device in the lighting control system to which the present invention is applied.

FIG. 4 is a block diagram illustrating a configuration of an input-side illumination control signal relay device and an output-side illumination control signal relay device.

FIG. 5 is a block diagram showing a configuration of a light control panel in a lighting control system to which the present invention is applied.

FIG. 6 is a diagram illustrating an example of an address table when a first channel number assignment process is performed by an input-side illumination control signal relay device.

FIG. 7 is a diagram illustrating an example of an address table when a second channel number assignment process is performed by an input-side illumination control signal relay device.

FIG. 8 shows a lighting control system to which the present invention is applied.
It is a figure for explaining the 1st split processing by an input side lighting control signal relay device.

FIG. 9 is a diagram for explaining an address table necessary for performing a first split process.

FIG. 10 is a diagram illustrating a second split process performed by the input-side illumination control signal relay device in the illumination control system to which the present invention is applied.

FIG. 11 is a diagram illustrating a third split process by the input-side illumination control signal relay device in the illumination control system to which the present invention is applied.

FIG. 12 is a diagram illustrating a first merging process performed by the input-side illumination control signal relay device in the illumination control system to which the present invention is applied.

FIG. 13 is a diagram for explaining an address table necessary for one input-side illumination control signal relay device in order to perform a second merge process.

FIG. 14 is a diagram for explaining an address table necessary for the other input-side illumination control signal relay device to perform the second merge processing.

FIG. 15 is a diagram illustrating a second merging process performed by the input-side illumination control signal relay device in the illumination control system to which the present invention is applied.

FIG. 16 is a diagram illustrating a third merging process performed by the input-side illumination control signal relay device in the illumination control system to which the present invention is applied.

FIG. 17 is a diagram for explaining a fourth merge process by the input-side illumination control signal relay device in the illumination control system to which the present invention is applied.

FIG. 18 is a block diagram showing another configuration of the lighting control device in the lighting control system to which the present invention is applied.

FIG. 19 is a block diagram showing a configuration of a conventional lighting control system.

[Explanation of symbols]

 Reference Signs List 1 lighting control device 2 input-side lighting control signal relay device 3 hub 4 lighting device 5 output-side lighting control signal relay device 6 light control panel 7 terminal device 11 LAN line 21 data storage unit 22 display unit 23 playback unit 24 operation input unit 25 console Control unit 26 DMX transmission unit 31 DMX reception unit 32 DMX transmission unit 33 Ethernet interface 41 DMX interface 42 DMX reception unit 43 reception buffer 44 protocol conversion unit 45 control unit 46 address table storage unit 47 setting unit 48 transmission buffer 49 Ethernet transmission unit 50 Ethernet reception unit 51 reception buffer 52 protocol conversion unit 53 transmission buffer 54 DMX transmission unit 55 DMX interface 71, 74 port number 72, 75 channel number 73 IP address 76, 78 Door channel number 77, 79 end channel number

Claims (10)

[Claims] 1. A lighting control device for generating a lighting control signal for controlling a lighting device, the lighting control device being connected according to a first protocol, the lighting device being connected to the lighting device according to a first protocol, and a lighting control signal receiving device being connected according to a first protocol. A connected lighting control signal transmitting device, receiving means for receiving a lighting control signal from the lighting control device in accordance with the first protocol, and receiving channel number information used for receiving the lighting control signal by the receiving means Address table storage means for storing an address table that associates transmission light number information used for transmitting a lighting control signal from the lighting control signal receiving means to the lighting device in accordance with a first protocol; Channel set by reception channel number information stored in table storage means When the receiving means receives the lighting control signal, the receiving means refers to the address table to recognize transmission channel number information corresponding to the receiving channel number information, and receives the lighting control signal received by the receiving means and the recognized transmission. The second including channel number information
A lighting control signal transmitting device, comprising: a converting unit that converts data into data according to a protocol; and a transmitting unit that transmits the data converted by the converting unit to the lighting control signal receiving device according to a second protocol. . 2. The transmission channel number information for continuously designating a plurality of channels used for transmitting a lighting control signal from the lighting control signal receiving means to the lighting device according to a first protocol in the address table storage means. 2. The lighting device according to claim 1, wherein an address table including the following is stored: said conversion means includes transmission channel number information designating a plurality of continuous channel numbers and converts the data into data according to a second protocol. Control signal transmission device. 3. The address table storage means stores an address table in which reception channel number information for designating one channel and transmission channel number information for continuously designating a plurality of channels are associated with each other. The means, when the receiving means receives the illumination control signal on a channel set by the reception channel number information specifying the one channel, refers to the address table and receives the signal specifying the one channel. 2. The lighting control signal transmitting apparatus according to claim 1, wherein the apparatus converts the data into data according to the second protocol including transmission channel number information that specifies a plurality of the channels in succession corresponding to the channel number information. 4. The address table storage means stores an address table in which reception channel number information for continuously specifying a plurality of channels is associated with transmission channel number information for specifying one channel. The means refers to the address table when the receiving means receives the illumination control signal on the channel set by the reception channel number information that specifies the plurality of channels in succession. 2. The lighting control signal transmitting apparatus according to claim 1, wherein the data is converted into data in accordance with the second protocol including transmission channel number information designating the one channel corresponding to reception channel number information designated by specifying the first channel. . 5. The address table includes reception port number information used by the receiving means to receive the illumination control signal, and a transmission destination of the illumination control signal receiving device, which is a transmission destination of the illumination control signal. Address information and transmission port number information used for transmitting a lighting control signal from the lighting control signal receiving means to the lighting device according to a first protocol are further stored, and the receiving means receives the lighting control signal. The reception port number information and the reception channel number information used for transmitting the illumination control signal, the transmission destination address information of the illumination control signal receiving device to which the illumination control signal is transmitted, the first protocol from the illumination control signal receiving means to the illumination device. The transmission port number information used to transmit the illumination control signal according to and the transmission channel number information are associated with each other. DOO lighting control signal transmitting device according to any one of claims 1 to 4, characterized in. 6. A terminal device connection which is connected to a terminal device operated by a user to set the address table, creates an address table based on information from the terminal device, and stores the address table in the address table storage means. The lighting control signal transmitting device according to claim 1, further comprising a unit. 7. The lighting device according to claim 6, wherein the terminal device is the lighting control device, and the terminal device connecting means creates an address table based on information from the lighting control device. Control signal transmission device. 8. An address table setting screen image data is transmitted in response to an external request, and an address table is created in accordance with the received address table setting information in response to transmitting the address table setting screen image data. The lighting control signal transmitting device according to claim 1, further comprising a server function of storing in an address table storage unit. 9. A lighting control device for generating a lighting control signal for controlling a lighting device, the lighting control device being connected to the lighting control device via a signal line for transmitting a signal according to a first protocol, and controlling the lighting control from the lighting control device. Receiving means for receiving a signal according to the first protocol; receiving channel number information used for receiving the lighting control signal at the receiving means; and lighting the lighting device from the lighting control signal receiving means to the lighting device according to a first protocol. Address table storage means for storing an address table in which transmission channel number information used for transmitting a control signal is associated with the transmission channel number information, and a channel set by the reception channel number information stored in the address table storage means. When the receiving means receives the illumination control signal, it refers to the address table and Conversion means for recognizing the transmission channel number information corresponding to the number information and converting the data into the data according to the second protocol including the illumination control signal received by the receiving means and the recognized transmission channel number information; A lighting control signal transmitting device including: a lighting control signal transmitting unit that includes a transmitting unit that transmits the converted data to the lighting control signal receiving device in accordance with a second protocol; the lighting control signal transmitting device; and the second protocol And a lighting control signal receiving device connected according to a first protocol and connected to the lighting device via a communication line that transmits signals according to the following. 10. A lighting control signal receiving device connected according to a first protocol with a lighting device and a lighting control device connected according to a second protocol, wherein a lighting control signal for controlling the lighting device according to a user operation is provided. Lighting control signal generating means for generating; and address table storing means for storing an address table for specifying transmission channel number information used for transmitting a lighting control signal from the lighting control signal receiving means to the lighting device according to a first protocol. And when the lighting control signal is generated by the lighting control signal generating means, the transmission channel number information is recognized with reference to the address table, and the second control unit includes the generated lighting control signal and the recognized transmission channel number information. Conversion means for converting the data into data conforming to the protocol; and Lighting control apparatus comprising: a transmission means for transmitting to the lighting control signal receiving apparatus according to a second protocol.