JPS6356093A - Centralized supervisory and control equipment - Google Patents

Abstract

PURPOSE:To permit a controller having a voltage applied contact output such as EE switches to control a load by providing input terminals to which operation inputs consisting of the voltage applied contacts for a supervisory terminal. CONSTITUTION:The supervisory terminal 25 is provided with signal input terminals 10a and 10b to which signal lines 4 are connected in one end of a terminal part on the upper surface of a case 9 in which a terminal circuit 8 is stored, and input terminals 12a and 12b to which the operation inputs consisting of the voltage applied contacts in the other terminal part. The terminal circuit 8 consists of an insulating input terminal 8a having photocouplers PC1-PC3 and a signal processing circuit 8b which is driven in a circuit power source where a transmission signal Vs is rectified and smoothed. The voltage applied contact inputs inputted to the input terminals 12a and 12b are fetched in a state where they are electrically insulated from a signal system.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field 1] The present invention relates to a centralized monitoring and control device that centrally monitors operational input and centrally controls a load based on the operational input.

[Background Art 1 Conventionally, this type of centralized monitoring and control device centrally monitors operation inputs and centrally controls loads based on the operation inputs.
As shown in FIG.
A pair of signals i are connected to the control terminal 3 that controls .
! , '2.1, accesses each monitoring terminal 2 from the central control device 1, causes the monitoring data to be sent back, and controls the loads formed based on the monitoring data, L2... The control data to be transmitted is transmitted from the central control device 1 by accessing the control storage device 3. FIG. 9 shows an example of the transmission signals ① and 3 sent from the central control device 1, and the transmission signal Vs sent as the extraction signal is
A start signal ST indicating the start of signal transmission, each terminal device 2,
3, a control data signal CD that transmits control data to the control terminal 3, and a return waiting period signal WT.
Each data is transmitted by pulse width modulation. Further, a return signal VB for returning monitoring data or a control confirmation signal from each monitoring terminal device 2 or control terminal device 3 to the central control unit W11 is a current mode signal (signal #I) in synchronization with the return waiting period signal WT.
(signal obtained by connecting an appropriate low resistance between the two terminals). Further, each terminal device 2, 3 rectifies and smoothes the transmission signal Vs to obtain circuit power.

By the way, in such a conventional example, the monitoring terminal device 2 was not designed to accept operation inputs made of voltage contacts, so it was not designed to accept operation inputs made of voltage contacts, so it was not possible to receive operation inputs from control equipment such as EE switches equipped with voltage contact outputs. There was a problem that the load could not be controlled. Furthermore, since the shape of the monitoring terminal did not conform to the dimensions agreed upon by the distribution board, there was a problem in that the installation work and wiring work when installing it in the distribution board became troublesome.

[Object of the Invention] The present invention has been made in view of the above points, and its purpose is to be able to control a load by using a voltage contact output as an operation input, and to be able to control a load within a distribution board. It is an object of the present invention to provide a centralized monitoring and control device that can be easily installed and can simplify installation and wiring work.

[Disclosure of the Invention] (Embodiment) Figures fn1 to 4 show an embodiment of the present invention, which includes a central control device 1, a monitoring terminal 2 for monitoring operation input. ~
25 and a control @ terminal device 3 that controls the load, L2, etc. are connected to a pair of signal lines 4, and the monitoring terminal devices 21 to 25 are accessed from the central control device 1 to receive monitoring data. In a centralized monitoring and control device similar to the conventional example, the control data for controlling the load formed based on the monitoring data is transmitted from the central control device 1 by accessing the control terminal device 3. A monitoring terminal device 2, which is provided with input terminals 12a and 12b to which a plurality of operation inputs consisting of voltage contacts are connected, and which is formed to the dimensions agreed upon by the distribution board. are arranged in the distribution board A, and in the embodiment, a central control device 1, timer units 51 to 51, monitoring terminals 2I to 24 that monitor the non-voltage contact output as an operation input, and a control terminal 3. Upward remote control relay 61'? 62 is also set to the dimensions agreed upon by the distribution board, so that it can be easily installed in the distribution board A. In addition, the monitoring terminal 2. As shown in FIGS. 2 and 3, the signal line 4 is attached to one of the four terminals on the upper surface of the case 9, which houses the terminal circuit 8 and is formed to the dimensions agreed upon by the distribution board.
A 4N input terminal 12a is provided with signal input terminals 10a and 10b to which are connected, and a 4N input terminal 12a to which an operation input consisting of a voltage contact is connected to the other tacho terminal.

12b is provided, and the input RA terminals 12a are commonly connected within the case 9. Also, in the center of the upper surface of the case 9 are a monitoring terminal a; 2. An address setting switch 13 for setting a unique address is provided, and this 7-dress setting switch 13 is covered with a protective cover 138 in which a window corresponding to the changeable switch is formed.

In addition, the terminal circuit 8 includes guiodes D0.7, automatic couplers pc, ~pc, and resistors Ros, as shown in the diagram Pt54.
R11-RI4 and capacitor C,,-C,4,C
The MA Midori University input circuit 8a consisting of 21 to C24 is driven by a circuit power supply (not shown) that rectifies and smoothes the transmission signal Vs! ? l
The input terminals 12a and 12b are formed with a signal processing circuit 8b, and the cored pressure welding and -χ human power input to the input terminals 12a and 12b are taken in electrically insulated from the signal system. There is. In the embodiment, the outputs of the EE switch 7 are closed, gf, and S. The tributary power supply Ac1oov is outputted through the insulated input circuit 8a.
It is compatible with voltage contacts that output 100V. Also, monitoring using Ax voltage contact output as operation input? The JJ terminals 21 to 2□ are connected to power terminals 11a+11 with AC24V as the power source, so that the operation input is taken in through the 7 Oto couplers (this is the case).
t'' manually (rectified and smoothed and supplied to the input side of the 7-point coupler).

The operation of the embodiment will be specifically explained below.

5 and 6 are flowcharts showing the monitoring and control operation of the central control device 1. First, the central $control device 1
accesses the control terminal 3 and loads it, L2...
The operation R word signal indicating the control state of each load is returned, and the operation state of each load, L2, etc. is displayed with a lamp. Next, the central control device 1 continuously transmits a dummy transmission signal VS transmitting dummy data unrelated to the monitoring control, and sends a dummy transmission signal VS to the monitoring terminal 2. Check to see if there are any interrupt requests. On the other hand, in the monitoring terminals 21 to 2s, when there is any operation input, an interrupt signal consisting of a current mode signal is generated in synchronization with the start signal ST of the dummy transmission signal Vs, and an interrupt signal consisting of a current mode signal is generated to cause the central control unit 1 to perform the operation. Notifies that there is an input and requests access via interrupt processing. The central control unit 1 that received this interrupt signal asks the interrupt occurrence monitoring terminal y? 2 + ~ 2. is detected, the monitoring data is sent back from the interrupt generation monitoring terminal 21 to 2, and when ffi?M data is received, a transmission signal Vs for canceling the interrupt is transmitted and the interrupt processing is terminated. Next, the central control device 1 checks the operation input based on the returned monitoring data to create control data for controlling a predetermined load, L2, and so on. + -L 2... Accesses the control terminal 3 that controls the control terminal 3 and transmits the control data.The control terminal 3 transmits the data using its own unique address and the transmission signal V, which is the address data signal AD. When an address match is obtained, a load control signal for controlling the load is output by taking in the control data sent in the subsequent control data signal CD, and this load control signal is used to control the remote control. Relay [3,,62...
, L2, etc. are controlled by driving . Next, the control terminal 3 waits for the control confirmation signal to be returned! It is sent back to the central controller 1 as a current mode signal in synchronization with the inter-IM signal WT. Central control unit! 1
1"Ch receives this control confirmation signal and loads...
2. Check the operating status of . . . and control the operation indicator lamp to display the current load control status.

Here, there are 22 timers) 5. ．． 52,5. The timer unit 5. is used to apply load at a preset time and perform pattern control on L2, . . . The timer unit 52 performs pattern control targeting the load of the entire building according to a predetermined time schedule, and the timer unit 52 performs pattern control targeting the load of each 707 according to a predetermined time schedule. Unit 5.
This method performs all-on or all-off of loads based on a calendar. Note that the monitoring terminal (not shown) installed on the floor for monitoring pattern operation switches and the monitoring terminals 21 to 23 for monitoring pattern operation input installed in distribution board A have the same unique address. If set to , manual operation using the pattern repeat switch and timer unit)5. ．． 5□, 5. This means that it can be used in conjunction with automatic operation.

Also, EC switch 7 output (voltage connection, r:j, output)
A monitoring terminal device that uses as an operation input 2. and the monitoring terminal 2゜ whose operation inputs are the 1.-1 Bessakusaku switches SW1 to SW, are set to the same address, and the load is being automatically controlled by the EC switch 7. ,...
- Embed the switch SW in the switch board 14.

-5W4 may be used for manual control.

FIG. 7 shows an operation example in the present embodiment. When the load L1 is automatically controlled by the operation switch SWl and the EC switch 7, as shown in FIG.
The load L1 is easily controlled to be turned on automatically by the EC switch 7, and the operation switch SW.

When the iron load L1 is turned on, the operating switch S~°ν'
1, the load L1 is turned off.

As described above, in the present invention, ζ is the input S connector 12a, 12 to which the operation input consisting of the pressure contact and c scale is connected.
! J is monitoring 92 end 2 ma 2. Since there is one set up in EC
It would be possible to control the loads L, , L, . . . with a control device equipped with a voltage contact output such as a switch 7. Keita, 'Blind Nene Dance End +4; 2SL Sat T1 Electric board agreement dimensions are set, so the monitoring terminal 2. can be easily installed in the distribution board A,
Installation work and wiring work are simplified. Furthermore,
In the embodiment, one of the input terminals 12a is commonly connected within the case 9, so wiring can be done more easily. Furthermore, the operation input consisting of the voltage contact output is sent to the signal processing circuit 8 through the 7 Oto couplers PC, -PC,
Since t+i: is taken in, it is possible to prevent malfunctions due to power supply noise.

[Effects of the Invention] As described above, the present invention connects a central control device, a monitoring terminal device that monitors operation input, and a control terminal device that controls a load to a pair of signal lines, and performs monitoring from the central control device. In a centralized monitoring and control device, the terminal device is accessed to return monitoring data, and control data for controlling a load formed based on the monitoring data is transmitted from the central control device by accessing the control terminal device. , a monitoring terminal device is installed in the distribution board, and is provided with an input terminal to which multiple operation inputs consisting of voltage contacts are connected, and is formed to the dimensions agreed upon by the distribution board. Since the monitoring terminal is equipped with an input terminal to which the operation input is connected, the load can be controlled with a control device equipped with voltage contact output such as an EE switch or Since the shape of the monitor is set to the dimensions agreed upon on the distribution board, the monitoring terminal can be easily installed inside the distribution board, which has the effect of making installation and wiring work easier. .

[Brief explanation of drawings]

Fig. fjS1 is a schematic configuration diagram of an embodiment of the present invention, Fig. 2 is a top view of the main parts of the same, Fig. 3 is a side view of the main parts of the same, Fig. 4 is a block circuit diagram of the main parts of the same, and Fig. 5 is a block diagram of the main parts of the same. 75 to 7 are explanatory diagrams of the same operation as above, FIG. 8 is a schematic configuration diagram of the conventional example, and 9th figure is an explanatory diagram of the same as above.
! ciff, 2. -2. is a monitoring terminal, 3 is a control terminal, 4 is a signal line, and ＼ is a distribution board. Agent Patent Attorney Ishi 1) Chief 7 Figure 2 Figure 3 Figure 8 2, 9 Figure 7 ■ Llwa Lxia Ltishi L, Fufu

Claims (3)

[Claims] (1) Connect the central control device, the monitoring terminal device that monitors operation input, and the control terminal device that controls the load to a pair of signal lines, access the monitoring terminal device from the central control device, and send back the monitoring data. In a centralized monitoring and control device in which control data for controlling a load formed based on the monitoring data is transmitted from a central control device by accessing a control terminal device, a plurality of operation inputs made of voltage contacts are transmitted. A centralized monitoring and control device characterized in that a monitoring terminal device provided with input terminals to be connected and formed to dimensions agreed upon by the distribution board is disposed within the distribution board. (2) The centralized monitoring and control device according to claim 1, wherein one of the plurality of input terminals is commonly connected within the case. (3) The centralized monitoring and control device according to claim 1, wherein the operation input is taken into the signal processing circuit via a photocoupler.