JPH1098488A - Building managing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve efficiency in adjusting work by reading I/O data to the side of a personal computer, checking the I/O data stored in an I/O data memory by displaying them on a display, and correcting them as needed. SOLUTION: A personal computer 14 is connected to terminal equipment 21 ... and the prescribed I/O data are transferred to the I/O memory of relevant terminal equipment and stored. The address of relevant terminal equipment and the command of data collection are applied from a managing device 1 through a network NT to an independent distributed controller 4, the relevant terminal equipment is called and corresponding to this call, the relevant terminal answers through a reply signal. Next, when the transfer command of I/O data is sent from the managing device 1 through the independent distributed controller 4 to the relevant terminal equipment, the relevant terminal equipment transfers the I/O data in the I/O memory to the managing device 1. Thus, the I/O data can be inputted, registered, collated and adjusted on the side of terminal equipment 21 ... by the personal computer 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a building management system.

[0002]

2. Description of the Related Art FIG. 9 shows an example of a building management system.
So-called I such as the name and state name of the equipment load device connected to
The management device 1 has a corresponding display based on input data sent from the remote station 3 having the / O data and the terminal 2.

[0003]

In the above-described system, when collating I / O data, collation and adjustment cannot be performed unless personnel are arranged between the remote station and the management device 1, and the management is not possible. There has been a major problem in work efficiency, such as adjustment cannot be performed unless the device functions. SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object the ability to collate I / O data by itself and to correct I / O data even if the management device does not function. Therefore, an object of the present invention is to provide a building management system capable of improving the efficiency of adjustment work.

[0004]

According to the first aspect of the present invention, a management device, a terminal connected to the management device, and a facility load device connected to the terminal are provided. In a building management system configured to transmit and receive data by a multiplex transmission signal between a management device and a terminal, the terminal includes a memory for storing I / O data, and input / output of I / O data. An interface unit for connecting an I / O tool for performing correction and correction, and an arithmetic processing unit for performing arithmetic and control processing in the terminal device,
A terminal device for storing I / O data of the equipment load device of the terminal device in a memory from an I / O tool connected to the interface unit; The collation and adjustment can be performed by inputting and registering with the O tool.
Also, if there is any inconvenience, I / O data correction in that case,
Since re-registration can be performed, the efficiency of the adjustment work can be improved.

According to a second aspect of the present invention, in the first aspect of the present invention, the I / O data stored in the memory of the terminal device is transferred from the terminal device to the management device by a multiplex transmission signal and stored in the management device. It is a feature that I / O data on the terminal device side can be collected and stored only by performing a registration operation on the management device side. According to a third aspect of the present invention, in the first or second aspect of the present invention, the terminal device includes a memory for storing I / O data and an I / O capable of inputting and outputting data.
An I / O having at least a transmission and reception circuit for transmitting and receiving a multiplex transmission signal between an interface unit for connecting an O tool, a management device, and a CPU for performing arithmetic and control processing
A plurality of terminal blocks having at least a data memory processing unit and a signal processing circuit for performing monitoring control processing of the equipment load device based on data from the management device transmitted and received through the I / O data memory processing unit; Data transmission / reception between a plurality of terminal blocks and an I / O data memory processing unit is connected via another interface unit.
Data can be processed by one I / O data memory processing unit.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a system configuration of the present embodiment. For example, 10BASE (10BASE-T,
10BASE-5, 10BASE-2), and using a suitable protocol such as TCP / IP as a protocol, the management device 1 using a workstation or the like is connected to the information line of the network NT constructing the LAN. At the same time, the autonomous distributed controller 4 is connected, and the management device 1
Data can be exchanged between the controller and the self-sustained distributed controller 4.

The self-sustained decentralized controller 4 is connected via a signal line 5
Installed at the remote station or
Kettled terminal 2₁... and connect to terminal 2₁... for lighting
Equipment, disaster prevention equipment, power air conditioning equipment, or security equipment, electric power
The equipment load device 6 such as equipment is connected,
The controller 4 is connected to the center device 1 through the network NT.
In addition to being able to exchange data with
Terminal 2 by transmission ₁Exchange data with…
Terminal 2₁Monitoring of each equipment load device 6 connected to ...
Control and transfer I / O data to be described later.
It has become so.

Terminal 2₁Connects the signal line 5 as shown in FIG.
Transmitted from the autonomous decentralized controller 4 via
Signal receiving circuit 7 for receiving signals, independent via signal line 5
Return time for returning a return signal to the distributed controller 4
Route 8, an address setting circuit to set an address unique to the terminal
Road 9, CPU 10 for performing arithmetic processing, and
A memory 16 for temporarily storing a work area and data,
Monitoring input circuit including pulse conversion circuit 11 and photocoupler
12, an I / O memory 13 for storing I / O data,
Configure I / O tools for input / output and correction of O data
Portable personal computers (hereinafter referred to as PCs)
RS232C for connecting 14)
Unit 15 for general-purpose communication such as
ON / OFF control of the device 6 by the output of the pulse conversion circuit 11
The switching circuit 17 and the like
Is the address of the time-division transmission signal received by the signal receiving circuit 7.
Data matches the set address of the address setting circuit 9
Data is taken when the
Switch signal through pulse conversion circuit 11
17 transistors Q₁, Q_TwoAlternately on and off
Photodiode LED ₁Or LED_TwoAlternately lit
Connection terminal I₁, I_TwoPhoto connected in anti-parallel between
Thyristor SCR₁, SCR_TwoSignal that alternately triggers
Processing function and I / O data sent from personal computer 14
Is stored in the I / O memory 15 or the I / O memo
Read the I / O data stored in the
14 or distributed independently through the reply circuit 8
It has a function to perform processing to transfer to the controller 4.
is there. Load connection terminal I₁, I_TwoTo the power supply AC
The equipment load device 6 is connected.
Tothyristor SCR₁, SCR_TwoTurns on alternately
It is energized and operates.

The monitoring input circuit 12 has load connection terminals I ₁ , I
_The operation is performed by a voltage between the _two , and by this operation, a signal indicating the operation state of the equipment load device 6 is supplied to the CPU 10 as monitoring data. The CPU 10 takes in the monitoring data, and sends the monitoring data through the return circuit 8. It is returned to the autonomous distributed controller 4 as a reply signal. Terminal unit 2 ₂ includes a terminal block 20 having a function of controlling the equipment load device 6 as shown in FIG. 3, comprise a separate and I / O data memory processing unit 21 for processing the I / O data, Terminal block 20, I / O data memory processing unit 2
1 is transmitted and received via the interface units 18 and 19, and data is transmitted and received between the self-sustained distributed processing controller 4 and the signal receiving circuit 22 provided on the I / O data memory processing unit 21 side. This is performed by a circuit 23. That is, the control data sent to the equipment load device 6 from the autonomous decentralized controller 4 by the time division multiplex transmission signal is received by the signal receiving circuit 22 and demodulated by the CPU 24 of the I / O data memory processing unit 21. The data is transferred to the block 20 side, and conversely, the return data from the terminal block 20 side is taken into the CPU 24 and then returned through the return circuit 23.

Here, the CPU 24 is connected to the interface unit 2
5, data can be exchanged with the personal computer 14,
The I / O data sent from the personal computer 14 can be stored in the I / O memory 26, the stored I / O data can be transferred to the personal computer 14, or transferred to the autonomous distributed controller 4 through the reply circuit 23. I can do it. The memory 27 is for securing a work area for the arithmetic processing of the CPU 24 and an area for temporarily storing data.

[0011] The signal processing circuit 10 of the terminal block 20 'is a one having the same function as CPU10 signal processing functions in the terminal device 2 _1, time division multiplexed signals between the directly autonomous distributed controller 4 Although the data transmission / reception by the I / O data memory processing unit 21 is not performed, the control of the equipment load device 6 by the control data taken in through the I / O data memory processing unit 21 and the return of the monitoring data are performed through the I / O data memory processing unit 21 , in the drawings, is omitted in the circuit elements described bear the same symbols, numbers having the same function as the terminal unit 2 _1.

The terminal 2 ₃ is connected to the terminal 2 as shown in FIG.
A plurality of terminals blocks 20 in _2, which differs from the terminal unit 2 ₂ at a point so as to perform control and monitoring of a plurality of equipment load device 5, I / O data memory unit 21 and each of the terminal block 20 Data is transmitted and received between the interface unit 18 and the interface unit 19 provided in each terminal block 20.

FIG. 5 shows a terminal 2₁, 2_TwoShows an external perspective view of
The personal computer 14 is connected to one side of the body 30.
Signal line connecting the connection terminal 31 for connection and the signal line 5
A connection terminal 32 is provided, and the equipment load device 6 is connected to the other side.
Load connection terminal I₁, I _TwoLoad connection part 33 provided with
And an address setting circuit 9 is formed on the upper surface of the body 30.
The operation section 34 of the address setting DIP switch
Let me out. An end that houses a plurality of terminal blocks 20
End device 2_ThreeAlthough not shown, the external configuration of
The point that a plurality of load connection parts 33 for connecting the device 6 are provided
End device 2₁, 2_TwoExcept for the terminal 2₁,
2_TwoAnd does not change.

The autonomous distributed controller 4 polls the terminals 2 ₁ ... Connected to the signal line 5 by using a time division multiplex transmission signal as shown in FIG. Although the start signal and the end signal are not shown in the drawing, it goes without saying that they actually exist. That is, the time-division transmission signal includes the address data AD of the terminal devices 2 ₁ , the data BD indicating the type of equipment, and the control data C indicating the control content.
Receiving the transmission signal, the terminal device 2 ₁ ... Receives the control data CD and performs a control operation when the self-address and the type match. In the return waiting period WT after the CD, the monitoring data is returned by the current mode return signal.

As shown in FIG. 6A, the signal format in the network NT includes a format type, a service type, a request factor, a source address, a destination address, a data length, a facility type, and data. Data is exchanged between the autonomous distributed controller 4 and the management device 1 using this signal. Although the start signal and end signal are not shown in FIG. 6A, it goes without saying that they actually exist.

The management device 1 is connected to the information lines of the network NT using connection means such as a coaxial connector. Thus, the autonomous decentralized controller 4 has the terminal devices 2 ₁ .
Data transmission and reception are performed by a time-division multiplex transmission signal between them, and data collection and monitoring and control of the equipment load devices 6 are performed. Further, between the management device 1 and the management device 1, data collected based on a request from the management device 1 is transferred to the management device 1, or a request for monitoring and control of the equipment load devices 6 is received and processing is performed. is there.

Next, I / O data, which is an important element in the present invention, will be described. First, the I / O data handled by the system of the present embodiment includes the management number of the equipment load device 6 connected to the terminal device 2 ₁ ..., The device (equipment) name, management type, the corresponding terminal device address, and monitoring. There are a name of a state failure, a measured value of a detection target to be monitored, a unit thereof, and the like. These I / O data are connected to the personal computer 14 at the terminal 2 ₁ . Registration / setting is performed according to such a procedure.

When the I / O data is registered in the terminals 2 _1, ..., The operations are sequentially performed from the terminal whose work procedure is convenient. The registration procedure is as shown in FIG.
₁ and the personal computer 14 is operated to start the I / O data input program. Thereafter, a floppy disk describing the I / O data is inserted into a floppy disk device provided in the personal computer 14, and predetermined I / O data is transferred from the floppy disk to the hard disk of the personal computer 14, and the I / O data on the hard disk is further transferred. The O data is transferred to and stored in the I / O memory 13 or 26 of the terminal.

Next, the personal computer 14 is switched to the display mode.
The I / O data stored in the I / O memory 13 or 26
Data to the personal computer 14 and read the I / O memory 13 or
The I / O data stored in the PC 26
Check it by displaying it on the play. Next, PC1
4. Perform the output operation of the terminal through 4, and connect the load.
Terminal I ₁, I_TwoShort circuit between switches
In other words, create a state where the equipment load device 6 is turned on.
The monitoring data is transferred to the personal computer 14 when the
Output matched to I / O data by visual data
Check if.

If there is no inconvenience in the process up to this point, I / O
You can confirm that the data was registered correctly. If there is any inconvenience, the I / O data is corrected on the personal computer 14, a re-registration operation is performed, and the above operation is repeated until all are satisfied. After the registration of the I / O data is completed in this manner, when the data registration operation is performed from the management device 1, the terminal device automatically transmits the I / O data according to the procedure shown in FIG.
/ O data will be collected.

In this case, when the address of the corresponding terminal and the command of data collection are given from the management device 1 to the autonomous distributed controller 4 through the network NT, the autonomous distributed controller 4 calls the applicable terminal by a time division multiplex transmission signal, and The terminal responds by sending a reply signal in response to this call. This response is sent to the management device 1 via the autonomous distributed controller 4 and the network NT, and communication is established between the management device 1 and the terminal.

Next, the management apparatus 1 sends an I
When the transfer command of the / O data is sent via the autonomous decentralized controller 4, the terminal receiving the transfer command receives the I / O data.
The I / O data recorded in the memory 13 or 26 is transferred to the management device 1 via the autonomous distributed control 4. I
The management device 1 that has received the / O data stores it in the built-in storage device, and the communication ends.

As described above, in the present embodiment, the I / O data can be collated and adjusted by one worker by inputting and registering the I / O data with the personal computer 14 on the terminal device 2 ₁ ... When the I / O data can be corrected and re-registered, and the management device 1 starts functioning, the management device 1
Just perform the registration operation on the terminal, and the I / O on the terminal side is automatically performed.
Data can be collected and stored.

[0024]

According to the first aspect of the present invention, a management device, a terminal connected to the management device, and a facility load device connected to the terminal are provided. In a building management system in which data is transmitted and received by a multiplex transmission signal between the terminals, a memory for storing I / O data and an I / O tool for inputting / outputting and correcting I / O data are connected as the terminal. A terminal that has at least an interface unit and an arithmetic processing unit that performs arithmetic and control processing in the terminal device, and stores I / O data of the equipment load device of the terminal device in a memory from an I / O tool connected to the interface unit. Since the device is provided, the collation and adjustment can be performed by inputting and registering the I / O data with the I / O tool on the terminal device side. Therefore, only one worker is required. Modification of the I / O Dea in case, since re-registration can be performed, there is an effect that it is possible to improve the efficiency of the adjustment work.

According to a second aspect of the present invention, in the first aspect of the present invention, the I / O data stored in the memory of the terminal is transferred from the terminal to the management device by a multiplex transmission signal and stored in the management device. There is an effect that I / O data on the terminal device side can be collected and stored only by performing a registration operation on the management device side. The invention of claim 3 is claim 1
In the invention according to the second aspect, the terminal device transmits and receives a multiplex transmission signal to and from a memory that stores I / O data, an interface unit that connects an I / O tool that can input and output data, and a management device. An I / O data memory processing unit having at least a sending and receiving circuit to perform, and a CPU to perform arithmetic and control processing, and an I / O to monitor and control equipment load equipment.
A plurality of terminal blocks having at least a signal processing circuit for performing processing based on data from the management device transmitted and received through the data memory processing unit, and a communication between the plurality of terminal blocks and the I / O data memory processing unit. Since data exchange is connected via another interface unit, there is an effect that I / O data applied to a plurality of equipment load devices can be processed by one I / O data memory processing unit.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of an embodiment of the present invention.

FIG. 2 is a block diagram of the terminal device according to the first embodiment;

FIG. 3 is a block diagram of another example of the above terminal device.

FIG. 4 is a block diagram of another example of the above terminal device.

FIG. 5 is a perspective view showing an appearance of the terminal device of the above.

FIG. 6A is an explanatory diagram of a format of a signal used in the network according to the first embodiment. (B) is an explanatory diagram of the format of the transmission signal in the above.

FIG. 7 is a flowchart showing an I / O data registration procedure of the above.

FIG. 8 is a flowchart showing a procedure for collecting I / O data according to the embodiment.

FIG. 9 is a system configuration diagram of a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Management device 2 ₁ ... Terminal 4 Independent distributed control 5 Signal line 6 Equipment load device 14 Personal computer 20 I / O data memory processing part 21 Terminal block NT network

Claims (3)

[Claims] 1. A management device, a terminal connected to the management device, and an equipment load device connected to the terminal. Data is transmitted between the management device and the terminal by a multiplex transmission signal. In a building management system for transmitting and receiving data, a memory for storing I / O data is provided as the terminal device.
An interface unit for connecting an I / O tool for inputting / outputting and correcting I / O data, and an arithmetic processing unit for performing arithmetic and control processing in the terminal device; and an I / O tool connected to the interface unit. A building management system comprising a terminal for storing I / O data of an equipment load device of the terminal in a memory. 2. The building management system according to claim 1, wherein the I / O data stored in the memory of the terminal is transferred from the terminal to the management device by a multiplex transmission signal and stored in the management device. 3. The terminal device transmits / receives a multiplex transmission signal to / from a memory for storing I / O data, an interface unit for connecting an I / O tool capable of inputting / outputting data, and a management device. An I / O data memory processing unit having at least a transmitting and receiving circuit, and a CPU for performing arithmetic and control processing, and a management device that transmits and receives monitoring and control processing of equipment load devices through the I / O data memory processing unit. A plurality of terminal blocks having at least a signal processing circuit that performs data-based processing, and a plurality of terminal blocks;
3. The building management system according to claim 1, wherein data exchange with the O data memory processing unit is connected via another interface unit.