JPH08320701A - Information socket and plug - Google Patents

Abstract

PURPOSE: To provide the information socket and plug for the wiring of a control system which can easily be added and installed and enable another console panel and a control unit to send and receive signals to each other even if a console panel is not connected to the information socket or if the console panel gets out of order, and exert no adverse influence of attenuation of signals. CONSTITUTION: The information socket 5a which mediates between information processors for their signal transmission and reception has a 1st connection part S1 and a 2nd connection part S2 for connections with an information processor or another information socket, a 3rd connection part S3 for a connection with another information processor, a repeating part 7 which is interposed between the 1st and 3rd connection parts and repeats signals, and a branch point P5 which is positioned between the repeating part and 1st connection part and branch signals to the 2nd connection part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information outlet and a plug used for wiring an information wiring system.

[0002]

2. Description of the Related Art A conventional information outlet and plug will be described with reference to FIGS. FIG. 4 is a block diagram showing an example of the configuration of the information wiring system. FIG. 5 is a block diagram showing another example of the configuration of the information wiring system. Figure 6
FIG. 9 is a block diagram showing still another example of the configuration of the information wiring system.

In FIG. 4, a remote lighting control system corresponding to an information wiring system includes consoles 1a, 1b and 1c corresponding to information processing devices and information outlets 2a and 2c.
b, 2c, 2d and signal lines L1a, L1b, L1c, L
1d, a light control panel 3 corresponding to an information processing device, and lighting devices 4a to 4m that are load devices.

The operation consoles 1a, 1b, 1c have faders, switches and the like, and are used by the operator to operate the illumination devices 4a to 4m in order to instruct them to operate. Control signal for controlling ~ 4m dimming board 3
To the lighting device 4a to 4m from the light control panel 3 to receive an information signal regarding the state of illuminance and the like of the lighting devices 4a to 4m, and perform processing such as illuminance display.

Information outlets 2a, 2b, 2c, 2d
Is installed on the wall surface inside the building, etc.
a, 1b, 1c are respectively connected to signal lines L1a, L1b, L1c,
It is for connecting to L1d.

Signal lines L1a, L1b, L1c, L1d
Is provided inside the wall surface of the building, etc., one end of which is connected to the light control panel 3 and the other end of which is the information outlet 2a, 2b, 2
It is connected to c and 2d. Then, the signal lines L1a and L1
b, L1c, and L1d are provided as many as the information outlets.

The light control panel 3 transmits a control signal received from the operation consoles 1a, 1b, 1c to the lighting devices 4a to 4m to control the illuminance, and information signals such as the illuminance state of the lighting devices 4a to 4m. Send to the consoles 1a, 1b, 1c. The dimming board 3 has connecting portions 3a, 3b, 3c, 3d as many as the signal lines L1a, L1b, L1c, L1d. The connection parts 3a, 3b, 3c, 3d and the information outlets 2a, 2b,
2c and 2d are connected one to one.

In the remote lighting control system as described above, the control signals from the operator consoles 1a, 1b, 1c are supplied to the light control panel 3 via the signal lines L1a, L1b, L1c, L1d.
Is transmitted to the lighting devices 4a to 4m by converting the control signal into a dimming control signal. The dimming board 3 sends the information signals of the lighting devices 4a to 4m to the signal lines L1a and L1.
1b, L1c, L1d through the respective operation consoles 1a, 1b,
Send to 1c.

In the remote lighting control system shown in FIG. 5, the wiring system is a so-called feed wiring system, which differs from the remote lighting control system shown in FIG. 4 in the wiring system.

That is, the connection part of the light control board 3 is a single connection part 3a, one end of the signal line L2 is connected to the connection part 3a, and the other end of the signal line L2 is connected to the information outlet 2a. There is. Then, one end of the signal line L3 is connected to the information outlet 2a, and the other end of the signal line L3 is connected to the information outlet 2b. Signal line L4 to the information outlet 2b
Of the signal line L4 is connected to the information outlet 2c. In this state, the signal line L2 and the signal line L3 are not connected in the information outlet 2a, and the signal line L3 and the signal line L4 are not connected in the information outlet 2b.

However, the signal line L is connected to the information outlet 2a.
2 is connected to the console 1a by inserting a plug connecting signal lines for extending the signal line L3 and the console 1a.
The signal line L2 and the signal line L3 are internally connected. Further, when the operator console 1b is connected by inserting the plug into which the signal line L3 and the signal line L4 are connected to the information outlet 2b, the signal line L3 and the signal line L4 are connected inside the operator console 1b. Connecting. That is, the signal line L2 and L3 are connected by connecting the console 1a to the information outlet 2a, and the signal line L3 and L4 are connected by connecting the console 1b and the information outlet 2b. The signal lines L2, L3 and L4 are connected to the console 1
It becomes one signal line via a, 1b, and 1c.

Therefore, in the remote lighting control system shown in FIG. 5, all transmitted / received control signals / information signals are
Signal lines L2, L3, L4 and information outlets 2a, 2b,
2c and the consoles 1a, 1b, 1c. Then, the consoles 1a, 1b, 1c transmit all the control signals / information signals received from one signal line to the other signal line, and take out only the control signals / information signals required by themselves when they are received. To process.

The remote lighting control system shown in FIG.
By sending signal lines and information outlets one after another and wiring them, information outlets can be added, and there is an advantage that installation is easy.

The remote lighting control system shown in FIG. 6 has a bus type wiring system, which is different from the remote lighting control system shown in FIGS. 4 and 5 in the wiring system.

That is, the signal line L is connected to the connecting portion 3a of the light control board 3.
5 is connected to one end, and the signal line L5 is connected to the branch point P1,
Signal lines L5a, L5b, L5c, and L at P2, P3, and P4
It branches into 5d. Then, each signal line L5a, L5
Information outlets 2a, 2 at the tips of b, L5c, L5d
b, 2c and 2d are connected.

The information outlets 2a, 2b, 2d
For example, operator consoles 1a, 1b, 1c are connected to each.

In the remote lighting control system having the above connection, signals are not transmitted and received through all the consoles 1a, 1b, 1c as in the remote lighting control system shown in FIG. 5, but each console 1a. , 1b, 1c are signal lines L
Signals are directly transmitted / received to / from the light control panel 3 via the signal line 5 and the signal lines L5a, L5b, L5c, L5d.

[0018]

However, in the wiring system of the remote lighting control system as shown in FIG. 4, the number of the connecting portions 3a, 3b, 3c, 3d of the dimmer board 3 and the signal lines L1a to L1d is reduced. , Information outlet 2 to be installed
It is necessary to provide the same number as a, 2b, 2c, 2d in advance. Then, the connection portions 3a, 3b, 3 provided in advance
There is a problem that the expandability is poor because it is not possible to provide more information outlets than c and 3d.

In the wiring system of the remote lighting control system as shown in FIG. 5, since there is only one connecting part from the dimmer board 3 and it is sent to a plurality of information outlets one after another and wired, the number is limited in advance. Without doing this, you can freely add more information outlets. However, since the control signals / information signals are transmitted and received through all the consoles 1a, 1b, 1c, the information outlets 2a, 2b, 2 as shown in FIGS.
If there is a place where the consoles 1a, 1b, 1c are not connected to c, transmission / reception of control signals / information signals will be interrupted at that place, and the information outlet and console on the side farther from the dimmer panel 3 than the position of the information outlet. Is a control signal
No information signal is sent or received. Also, for the same reason,
There is a problem in that control signals and information signals are not transmitted to other consoles even if the consoles 1a, 1b, 1c are broken.

In the wiring system of the remote lighting control system as shown in FIG. 6, since the dimmer panel 3 and the information outlet are branched and connected in a bus type, one unit can be operated like the wiring system shown in FIG. A control signal is generated when the table breaks down.
It does not mean that you can not send and receive information signals,
Since the control signal / information signal is attenuated in proportion to the length of the signal line after the branch point by branching, the signal line after the branch point cannot be lengthened. That is, branch points P1, P2, P
It is not possible to lengthen the signal line between P3 and P4 and the consoles 1a, 1b and 1c. Therefore, the information outlet 2a,
There is a problem in that the installation positions of 2b, 2c, 2d and consoles 1a, 1b, 1c are restricted. In addition, the bus-type wiring system has a problem that it is necessary to newly provide a branch point on the signal line L5 when a new information outlet is added, which requires time and effort for branching the wiring.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to allow an information outlet to be easily added after installation of a control system. Even if the console is not connected or the console is out of order, other consoles and control devices can send and receive signals, and information outlets and controls to avoid the adverse effects of signal attenuation. An object of the present invention is to provide an information outlet and a plug for wiring a control system which has few restrictions on the installation position of a desk.

[0022]

In order to solve the above-mentioned problems, the present invention provides an information outlet in an information outlet for mediating transmission and reception of signals between information processing devices. A first connection part and a second connection part for connecting to a device or another information outlet, a third connection part for connecting to another information processing device, a first connection part and a third connection part. Having a relay portion interposed between the relay portion and the original signal to restore the attenuated signal, and a branch point between the relay portion and the first connector portion for transmitting and receiving a signal to the second connector portion Is.

According to the second aspect of the present invention, there is a disconnection between the branch point and the relay section between the branch point and the relay section, and an instruction from the information processing device connected to the third connection section.
It has a switch to be connected.

According to a third aspect of the present invention, the relay section operates by receiving power supply from an information processing device connected to the third connection section.

According to another aspect of the invention, in the plug for the information outlet provided at the tip of the signal line for connecting the information processing apparatus to the information outlet, the relay that restores the attenuated signal to the original signal is relayed. It is characterized by having a part.

According to a fifth aspect of the present invention, a switch is provided between the information outlet and the relay section, which disconnects / connects between the information outlet and the relay section according to an instruction from the information processing device. To do.

According to a sixth aspect of the present invention, the relay section operates by receiving power supply from the information processing apparatus.

[0028]

With the above construction, in the invention according to claim 1, the relay section relays the signal passing through the signal line connecting the first connecting section and the third connecting section. , Prevent the signal from being attenuated even after the branch point. Further, the signal input from the first connecting portion passes through the branch point and is output from the second connecting portion.

According to another aspect of the invention, the switch is located between the branch point and the relay section, and disconnects / connects the branch point and the relay section according to an instruction from the information processing device. Therefore, when the information processing device issues an instruction to disconnect the switch, the information processing device connected to the first or second connection part and the information processing device connected to the third connection part. And are not electrically connected.

According to the third aspect of the invention, the relay section operates by receiving power supply from the information processing apparatus connected to the third connection section. Therefore, the information outlet can operate without having a power source in the information outlet.

In the fourth aspect of the invention, the relay section relays the signal so that the signal is not attenuated even after the branch point.

According to another aspect of the invention, the switch is located between the information outlet and the relay unit, and disconnects / connects the information outlet and the relay unit according to an instruction from the information processing device. Therefore, when the information processing device issues an instruction to disconnect the switch, the information processing device and the information outlet are not electrically connected.

According to the sixth aspect of the invention, the relay section operates by being supplied with power from the information processing apparatus. Therefore, it is possible to operate without having a power source in the plug.

[0034]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of an information outlet and a plug according to the present invention will be described with reference to FIGS. 1 and 2, and a second embodiment will be described with reference to FIGS.

[First Embodiment] FIG. 1 is a wiring diagram for explaining the wiring of a control system using an information outlet. Figure 2
FIG. 9 is a circuit diagram illustrating another example of an information outlet.

In FIG. 1, a remote lighting control system corresponding to an information wiring system includes consoles 1a, 1b and 1c corresponding to information processing devices, a light control panel 3 corresponding to information processing devices, and information outlets 5a and 5b. , 5c, lighting devices 4a to 4m, plugs 6a, 6b, 6c, and signal lines L6, L9, L10, L11.

The operation consoles 1a, 1b, 1c have faders, switches and the like, and are used by the operator to give instructions to the illumination devices 4a to 4m for operation. Send a control signal to control ~ 4m,
Moreover, the information signal regarding the state of illuminance etc. of the illuminating devices 4a-4m is received from the light control board 3, and the process of illuminance display etc. is performed. The consoles 1a, 1b, 1c are the console controller C1 and
Operator console driver D1, operator console receiver R1, and power supply E
Have and.

The console control section C1 outputs a control signal of 0/1 signal to the console driver D1 according to the operation of the operator, and based on the information signal of 0/1 signal input from the console receiver R1. The processing for displaying the states of the lighting devices 4a to 4m is performed.

The console driver D1 is a console controller C1.
The control signal of 0/1 signal received from is converted into a voltage of -5v to + 5v and is output to the signal line L9. That is, if the value of the received signal is 0, the console driver D1 converts it into a voltage of -5v, and the value of the received signal is 1.
Then, the voltage is converted into a voltage of + 5v and the voltage is output as a signal (hereinafter, converting the 0/1 signal to a voltage of -5v to + 5v indicates the operation).

The console receiver R1 is -5 from the signal line L9.
It receives an information signal having a voltage of v to + 5v, converts it into a 0/1 signal with a constant voltage as a threshold value, and outputs it to the console control section C1.

The power source E supplies power to the driver and receiver of the information outlet 5a connected to the operator console 1a.

The plug 6a is provided at the tip of the signal line L9 connecting the console 1a and the information outlet 5a, and is detachably connected to the console connection portion S3 of the information outlet 5a. Therefore, by connecting the plug 6a to the information outlet, the console 1a can transmit / receive a signal to / from the light control panel 3. Plug 6b,
6c is an information outlet 5b, 5c and a console 1b, 1c
Do the same for and. Information outlets 5a, 5
b and 5c are the first connecting portion S1 and the second connecting portion S2.
, Console connection S3, relay unit 7, switch SW
And a branch point P5.

The first connecting portion S1 and the second connecting portion S2 are for connecting to the light control panel 3 or another information outlet.

Connecting portion S for console corresponding to the third connecting portion
Reference numeral 3 is for connecting to the consoles 1a, 1b, 1c.

The switch SW is interposed between the first connection section S1 and the relay section 7, and is a power source E for the consoles 1a, 1b, 1c.
When the power is supplied from the device, it is turned on to connect the signal line L7 connecting the first connection portion S1 and the relay portion 7, and when not supplied, it is turned off to disconnect the signal line L7. To do.

The relay section 7 operates by the power source supplied by the power source E, relays the information signal received from the first connection section S1 to the console connection section S3, and the information signal is not attenuated in the signal line L9. In this way, the control signal received from the console connection section S3 is relayed to the first connection section S1, and the signal line L
At 6, the control signal is not attenuated. Relay section 7
Is a control signal receiver R2 and a control signal driver D2
And an information signal receiver R3 and an information signal driver D
And 3.

The control signal receiver R2 receives a control signal having a voltage of -5v to + 5v from the console connection S3, converts the control signal into a 0/1 signal with a constant voltage as a threshold value, and outputs the control signal. This is output to the driver D2.

The control signal driver D2 receives the control signal of 0/1 signal received from the control signal receiver R2 by -5v.
The voltage is converted to a voltage of + 5v and output to the first connecting portion S1.

The information signal receiver R3 receives the information signal having a voltage of -5v to + 5v from the first connecting portion S1, and
The voltage is converted into a 0/1 signal with a constant voltage as a threshold value and output to the information signal driver D3.

The information signal driver D3 receives the information signal of 0/1 signal received from the information signal receiver R3 by -5v.
The voltage is converted to a voltage of + 5v and output to the console connection S3.

The light control panel 3 transmits control signals from the consoles 1a, 1b, 1c to the lighting devices 4a to 4m to control the illuminance and operates information signals such as the illuminance states of the lighting devices 4a to 4m. It is transmitted to the desks 1a, 1b, 1c.
The dimming board 3 includes a connecting portion 3a, a dimming board driver D4, a dimming board receiver R4, and a main control section 3e.

The connecting portion 3a is for connecting the light control board 3 and the signal line L6. The main control unit 3e controls the illuminance of the lighting devices 4a to 4m based on the control signal of the 0/1 signal, and the information signal such as the illuminance state of the lighting devices 4a to 4m is a dimming panel driver with the 0/1 signal. Output to D4.

The dimming board driver D4 converts the information signal of 0/1 signal received from the main control section 3e into a voltage of -5v to + 5v and outputs it to the connection section 3a.

The dimmer board receiver R4 is -5 from the connecting portion 3a.
It receives a control signal having a voltage of v to + 5v, converts it to a 0/1 signal, and outputs it to the main control unit 3e.

Next, the connection relationship of the control system configured as described above will be described. Each signal line is composed of two lines in the transmission direction and two lines in the reception direction. Each driver is connected to the signal line in the transmission direction, and each receiver is connected to the signal line in the reception direction. .

In the console 1a, the console control section C1
Is connected to the console driver D1 and the console receiver R1.

The console driver D1 is connected to the control signal receiver R2 of the relay section 7 in the information outlet 5a via the signal line L9, the plug 6a and the console connection section S3.

The control signal receiver R2 is connected to the control signal driver D2, and the control signal driver D2 is connected to the dimmer board receiver R4 via the switch SW, the signal line L7, the first connecting portion S1 and the signal line L6. Has been done. The signal line L7 is provided with a branch point P5.
5 is connected to the second connecting portion S2 by a signal line L8. Therefore, the control signal driver D2 and the first connecting portion S
1 is also connected to the second connecting portion S2 via the branch point P5 and the signal line L8.

The dimmer board receiver R4 is connected to the main control section 3e, and the main control section 3e is connected to the lighting devices 4a to 4m. The main controller 3e is connected to the dimmer board driver D4.

The dimmer board driver D4 includes a connecting portion 3a, a signal line L6, a first connecting portion S1, a signal line L7, and a switch SW.
Is connected to the information signal receiver R3 via. Since the signal line L7 is provided with the branch point P5 as described above, the dimmer board driver D4 is also connected to the second connection portion S2.

The information signal receiver R3 is connected to the information signal driver D3, and the information signal driver D3 is connected to the console receiver R1 via the console connection S3, the plug 6a and the signal line L9. .

The console receiver R1 is a console controller C1.
It is connected to the. The power source E of the console 1a is connected to the switch SW of the information outlet 5a.

The second connection portion S2 of the information outlet 5a is connected to the first connection portion S1 of the information outlet 5b via a signal line L10, and the information outlet 5b
The second connecting portion S2 of is connected to the first connecting portion S1 of the information outlet 5c via a signal line L11. The information outlets 5b and 5c also have the same configuration as the information outlet 5a, and each information outlet has a signal line L7 inside.
Is branched. Therefore, the light control panel 3 connected to the information outlet 5a is connected to all the information outlets via the branch point P5 of each information outlet and the signal lines L10 and L11. A terminator, which is a terminating resistor, is connected to the second connecting portion S2 of the information outlet 5c which is the farthest from the light control board 3.

The operation of the control system having the above configuration will be described with respect to the flow of control signals and information signals.

First, when the plug 6a is connected to the console connection S3 of the information outlet 5a, the console 1a and the information outlet 5a are connected. Then, the power source E supplies power to the switch SW, the switch SW is turned on, the signal line L7 is connected, and the relay section 7 is connected to the first connecting section S1 and the second connecting section S2. To be done.

When the operator operates the console 1a, the console controller C1 sends a control signal of 0/1 signal to the console driver D.
Output to 1. The console driver D1 is a console controller C
Control signal of 0/1 signal received from 1 is -5v to + 5v
To the control signal receiver R2.

The control signal receiver R2 is -5v to +5.
The control signal of the voltage v is received, converted into a 0/1 signal, and output to the control signal driver D2. Then, the control signal driver D2 again outputs the control signal of the 0/1 signal from -5v to
Converted to a voltage of + 5v to convert the first connection portion S1 and the signal line L6.
To the dimming board receiver R4. Then, the dimmer receiver R4 receives the control signal having a voltage of -5v to + 5v, converts it into a 0/1 signal, and outputs it to the main control unit 3e.
Therefore, even when the information outlet 5a receives the control signal from the console 1a and transmits the control signal to the dimmer panel 3 through the branch point P5, the control signal can be attenuated in the signal line L6 through the relay section 7. Absent.

When the main controller 3e receives the control signal as described above, the main controller 3e controls the dimmers 4a to 4m based on the control signal. Then, the main control unit 3e uses the information of the states of the dimmers 4a to 4m as an information signal, 0/1.
The signal is output to the dimmer driver D4. The dimming board driver D4 converts the information signal of the 0/1 signal received from the main control unit 3e into a voltage of -5v to + 5v to connect the connection unit 3a, the signal line L6, the first connection unit S1, and the signal line L7. To the information signal receiver R3. Further, since the signal line L7 has the branch point P5, the dimming board driver D4 is simultaneously operated by the signal line L8, the second connecting portion S2, and the signal line L.
The information signal is also transmitted to the information signal receiver R3 of the information outlets 5b and 5c via 10, etc.

The information signal receiver R3 is -5v to +5.
The information signal having the voltage of v is received, converted into a 0/1 signal, and output to the information signal driver D3. Then, the information signal driver D3 converts the information signal of the 0/1 signal received from the information signal receiver R3 into a voltage of -5v to + 5v and outputs the voltage via the console connecting portion S3, the plug 6a, and the signal line L9. , To the console receiver R1. Therefore, the branch point P
Even when the information signal is transmitted to the console 1a via 5 the information signal transmitted from the light control panel 3 to the information outlet 5a is not attenuated in the signal line L9 via the relay section 7.

Finally, the console receiver R1 is connected to the signal line L9.
From the information signal of the voltage of -5v to + 5v from 0/1
It is converted into a signal and output to the console control section C1. The console control unit C1 performs a process of displaying the states of the lighting devices 4a to 4m based on the information signal input from the console receiver R1.

Therefore, the information outlets 5a, 5b, 5c
The relay unit 7 transmits the control signal received from the consoles 1a, 1b, 1c to the light control panel 3 so as not to be attenuated even after the branch point P5. And the information outlets 5a, 5b, 5
The relay unit 7 of c does not attenuate the information signal received from the light control panel 3 even after the branch point P5, and the operation consoles 1a, 1b,
Send to 1c. Therefore, in the control system, the operator console 1 is operated from the branch point P5 in the information outlets 5a, 5b, 5c.
Even if the distance to a, 1b, 1c becomes long, an error does not occur in transmission and reception due to signal attenuation,
Information signals can be transmitted and received.

[Second Embodiment] FIG. 3 is a wiring diagram for explaining the wiring of a plug and a control system using the plug.

In FIG. 3, the same parts as those in the control system described in the first embodiment are designated by the same reference numerals, and detailed description of the same parts will be omitted.

The control system of the second embodiment shown in FIG.
Unlike the control system described in the first embodiment, the following features are characteristic.

That is, in the first embodiment, the switch SW and the relay portion 7 provided inside the information outlet are provided inside the plugs 6a, 6b and 6c. Therefore,
The information outlets 5a, 5b, 5c are the first connection part S1.
And a second connection portion S2, a console connection portion S3, a signal line L7, a branch point P5, and a signal line L8.

In the control system having the above-mentioned configuration, the relay section 7 relays the control signals received from the consoles 1a, 1b, 1c so as not to be attenuated even after the branch point P5, and the information outlet. 5a, 5b and 5c are light control boards 3
Send to. Then, the relay unit 7 relays the information signal received from the light control panel 3 so as not to be attenuated even after the branch point P5 and transmits it to the consoles 1a, 1b, 1c.

The information outlets 5a, 5b, 5c
Since there is no part to be driven by the power source inside, the resistance of the information outlets 5a, 5b, 5c is improved, and on the other hand, the relay part 7 is provided in the plugs 6a, 6b, 6c, so that the relay part 7 should be damaged. Even if it becomes inoperable, the operation can be resumed immediately by using an alternative console having a normal plug.

As shown in FIG. 2, in the information outlet, the signal line L8 is further branched to provide a plurality of relay portions 7, switches SW, and console connection portions S3 so that a plurality of information outlets can be provided. It may be possible to connect a console.

In the first embodiment, the first connecting portion S
1 has been described as a side closer to the dimmer panel 3 and the second connection portion S2 is a side farther from the dimmer panel 3, but the first connection portion S1 is a side farther from the dimmer panel 3 and the second connection portion S2 is It may be used as a side closer to the light control panel 3.

[0080]

Since the information outlet and the plug of the present invention are configured as described above, in the invention of claim 1, the first connecting portion and the second connecting portion are connected by signal lines. Information outlets can be easily added and installed after the control system is laid by wiring the wires one after another, and even if the information outlet is not connected to the information outlet or the console is out of order. Since the information processing device connected to the information outlet can send and receive signals, and the relay unit relays the signal passing through the signal line connecting the first connection unit and the console connection unit, Even after the point, the signal will not be attenuated, and will not be adversely affected by the signal attenuation that will cause errors in transmission and reception.
There is an effect that it is possible to provide an information outlet for avoiding the adverse effect and an information outlet for an information wiring system with less restrictions on the installation position of the information processing device.

According to the invention of claim 2, claim 1
In addition to the effects of the invention described, the switch is located between the branch point and the relay unit, and disconnects / connects between the branch point and the relay unit according to an instruction from the information processing device connected to the third connection unit. When the information processing device issues an instruction to disconnect the switch, the information processing device connected to the first or second connection part and the information processing device connected to the third connection part are electrically connected. Therefore, it is possible to provide an information outlet in which the signal line is less susceptible to noise.

According to the invention of claim 3, claim 1
In addition to the effect of the invention as set forth in claim 2, since the relay unit operates by receiving power supply from the information processing device connected to the third connection unit, it operates without having a power supply in the information outlet. As a result, it is possible to provide an information outlet that is hard to break down and easy to maintain by reducing the number of parts constituting the information outlet.

In the fourth aspect of the invention, since the relay section relays the signal, the signal is not attenuated even after the branch point, the signal is not adversely affected by the attenuation, and the signal is relayed in the plug. By providing the section, there is no part driven by the power source in the information outlet, so the durability of the information outlet is improved, and on the other hand, even if the relay section in the plug is damaged and it becomes impossible to send and receive signals, By using an alternative information processing device having a normal plug, it is possible to provide a plug for an information wiring system capable of immediately restarting transmission / reception.

According to the invention of claim 5, claim 4 is provided.
In addition to the effects of the invention described, the switch is located between the information outlet and the relay unit, and disconnects / connects between the information outlet and the relay unit according to an instruction from the information processing device, and the operator console gives an instruction to disconnect the switch. When it is taken out, the information processing apparatus and the information outlet are not electrically connected to each other, and it is possible to provide a plug in which noise is unlikely to enter the signal line.

According to the invention of claim 6, claim 4 is provided.
In addition to the effect of the invention as set forth in claim 5, since the relay unit operates by receiving the power supply from the information processing device, the relay unit can operate without having the power supply in the plug, and thus the size can be reduced. An effect that a plug that can be provided can be provided is exhibited.

[Brief description of drawings]

FIG. 1 is a wiring diagram illustrating wiring of a control system using an information outlet according to a first embodiment of the present invention.

FIG. 2 is a circuit diagram illustrating another example of the information outlet of the above embodiment.

FIG. 3 is a wiring diagram illustrating wiring of a plug and an information wiring system using the plug.

FIG. 4 is a block diagram showing an example of a configuration of a conventional information wiring system.

FIG. 5 is a block diagram showing another example of the configuration of a conventional information wiring system.

FIG. 6 is a block diagram showing still another example of the configuration of the conventional information wiring system.

[Explanation of symbols]

 1a information processing device 1b information processing device 1c information processing device 3 information processing device 5a information outlet 5b information outlet 5c information outlet 6a plug 6b plug 6c plug 7 relay portion P5 branch point S1 first connection portion S2 second connection portion S3 Third connection SW switch

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Claims (6)

[Claims] 1. An information outlet for mediating transmission and reception of signals between information processing devices, wherein a first connection part and a second connection part for connecting to the information processing device or another information outlet, and other information. A third connecting portion for connecting to the processing device, a relay portion interposed between the first connecting portion and the third connecting portion for relaying a signal, and a relay portion and a first connecting portion. An information outlet having an intervening branch point for branching a signal to the second connection section. 2. A switch is provided between the branch point and the relay section for disconnecting / connecting between the branch point and the relay section according to an instruction from an information processing device connected to the third connecting section. The information outlet according to claim 1. 3. The information outlet according to claim 1, wherein the relay unit operates by receiving power supply from an information processing device connected to the third connection unit. 4. A plug for an information outlet provided at a tip of a signal line for connecting an information processing device to an information outlet, the plug having a relay section for relaying a signal. 5. Between the information outlet and the relay section,
The plug according to claim 4, further comprising a switch for disconnecting / connecting between the information outlet and the relay section according to an instruction from the information processing device. 6. The plug according to claim 4, wherein the relay unit operates by receiving power supply from an information processing device.