JPH01164199A - Terminal equipment for setting pattern - Google Patents

Abstract

PURPOSE:To prevent a higher cost and a larger size by dividing many load circuits into plural blocks, providing a data setting switch and display part and displaying in the display part a load circuit corresponding when the blocks are successively changed. CONSTITUTION:Many load circuits to be a pattern control subject in a system are divided into plural blocks and an operation display part 25 is formed by data setting switches SW1a-SW1d...SW16a-SW16d provided at a load circuit in a block corresponding to each and indicating parts DP1-DP16 display a load circuit corresponding to each data setting switch. When a block to set data by a block change switch SW20 is successively changed, an input change means to display the corresponding load circuit in the block on the display parts DP1-DP16 is provided. Thus, a higher cost and a larger size can be prevented, even when the load circuit to be the pattern control subject is increased.

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to a remote control system for remotely controlling a load by connecting a central control device and a terminal device with a pair of signal lines, and time-division multiplexing transmission of control data, monitoring data, etc. The present invention relates to a pattern setting terminal for a supervisory control system.

[Background technology] Conventionally, a central control unit and a large number of terminal devices having unique addresses are connected through a pair of signal lines, and each terminal device is accessed from the central control unit to time-division multiplex monitor data and control data. In a remote monitoring and control system configured to transmit data, a pattern setting terminal device for setting pattern control data for collective load control is provided with a data setting switch corresponding to each load circuit to be subjected to pattern control. The load circuit was set to be turned on or off according to the control pattern.

However, in such a conventional example, as the number of load circuits subject to pattern control increases, the number of data setting switches increases, resulting in higher costs and the problem that the operation display section becomes larger. was there. For example, if there are two load circuits subject to pattern control,
In the case of 56 circuits, 256 data setting switches are required, resulting in a large size, making it difficult to secure a space for installation, and increasing costs.

[Object of the Invention] The present invention has been made in view of the above points, and its purpose is to prevent high cost and large size even when the number of load circuits subject to pattern control increases. An object of the present invention is to provide a pattern setting terminal device that can avoid formalization.

[Disclosure of the Invention 1 (Configuration) The present invention connects a central control device and a large number of terminal devices having unique addresses through a pair of signal lines, and accesses each terminal device from the central control device to collect monitoring data. and a pattern setting terminal device for setting pattern control data for collective load control in a remote monitoring and control system that transmits control data via time-division multiplexing. Data setting switches divided into blocks and provided corresponding to the load circuits in the blocks, and a display section that displays the load circuits corresponding to each data setting switch form an operation display section, and block switching is also possible. By providing an input switching means that displays the corresponding load circuit in the block on the display when the blocks for which data is set are sequentially switched using a switch, it is possible to avoid problems when the number of load circuits subject to pattern control increases. The object of the present invention is to provide a pattern setting terminal for a remote monitoring and control system, which can avoid high cost and large size.

(Embodiment 1) FIG. 1 is a diagram showing a schematic configuration example of a remote monitoring and control system according to the present invention. and the control terminal 3 are connected by a pair of signal lines 4, and the transmission signal Vs sent from the central control device 1 to the signal [4] is the signal transmission signal Vs as shown in FIG. 1(a). Start pulse signal ST indicating start, mode data signal M indicating signal mode
D, Address data signal AD calling the i terminal 2゜3
, load.

~L, a checksum data signal C8, and a return standby signal WT that sets a return period from the terminal device 2.3. Data is transmitted using pulse width modulation.

In each terminal device 2.3, when the address data of the transmission signal Vs received via signal #I4 and its own unique address data match, it takes in the control data of the transmission signal Vs, and also takes in the control data of the transmission signal Vs. Return waiting lfi signal W
The monitoring data signal is sent back as a current mode signal (a signal sent by short-circuiting the signal lines 4 via an appropriate low impedance) in synchronization with T.

Further, the central control device 1 includes a dummy signal transmitting means for always transmitting a dummy transmission signal Vs in which the mode data signal MD is set to a dummy mode, and a dummy signal transmitting means for always transmitting a dummy transmission signal Vs in which the mode data signal MD is in a dummy mode, ) as shown in the interrupt signal V
Interrupt processing means is provided which detects the interrupt generating terminal device 2 when i is received, accesses the terminal device 2, and causes the monitored data to be sent back. On the other hand, the monitoring terminal 2
When there is a monitoring input due to the operation of switches S and -S, it generates an interrupt signal Vi in synchronization with the start pulse signal ST of the dummy transmission signal Vs, and also outputs an address from the central control unit 1. Interrupt generation means for returning its own unique address data in synchronization with the return standby signal WT of the confirmation mode transmission signal Vs, and when the interrupt access mode transmission signal S in response to the interrupt is transmitted from the central control unit 1. is provided with data return means for returning monitoring data corresponding to the monitoring input. In addition, the central control device 1 creates control data to be transmitted to the control terminal device 3 based on the monitoring data sent back to the central control device 1 from the monitoring terminal device 2, and also transmits it to the control terminal device 3. It is designed to control the load and ~L4. In addition, the distribution board 6 or relay control board 6
The control terminal 3 installed in a has the dimensions agreed upon by the distribution board, and its control output is used to control the load by controlling a remote control relay (a latching relay that can be turned on and off using a hand switch) 5 is now under control.

FIG. 2(a) shows the circuit configuration of the control terminal device 3. The control terminal device 3 includes a power supply circuit 10 that forms a circuit power source from a transmission signal Vs transmitted via a signal @4, Receives the transmission signal VS, performs signal processing, and returns the return signal V
A signal processing circuit 11 that forms and transmits a signal B, an address setting section 12 that sets a unique address, and 4 control circuits (corresponding to 4 control data bits) when controlling one load. a circuit number setting unit 13 that sets which circuit is to control the load; a drive circuit 14 that drives a relay circuit 15 for load control;
It is formed by a monitoring circuit 16 that monitors the operating state,
The signal processing circuit 11 detects a match between the address data of the transmission signal Vs and the unique address, takes in the control data when the address match is detected, and forms a control output based on the bit selected by the circuit number setting section 13. output relay 1
5, and also forms return monitoring data based on the load monitoring input input via the monitoring circuit 16 and sends it back to the central control unit 1 using a current mode return signal VB. Note that, without providing the circuit number setting section 13 in the control terminal 3, the relay circuit 15 is formed so that the load is controlled by each bit of the control data,
Four control circuits may be formed.

Pt52 diagram (b) shows the monitoring terminal 2, whose circuit configuration is the same as that of the control terminal 3, and the monitoring circuit 16 is configured to control individual control switches or pattern control switches. The state of the switch S1 is monitored, monitoring data is formed in the signal processing circuit 11 based on this switch monitoring input, and is sent back to the central control unit 1 by the above-mentioned interrupt processing, and the operation display circuit 1
5゛ light emitting diode LD for on display and off display
,, LD2 is made to blink based on control data (indicating the operating state of the load) transmitted from the central control 1rai. Furthermore, when setting a unique address using the data switch in the address setting section 12, the lower 6 bits of the 8-bit address data can be set by the user as appropriate, and the upper 2 bits can be set by the terminal device. It is used for setting the type (monitoring, control), and allows both terminals 2 and 3 to correspond easily by simply setting the user setting section of the unique address of the monitoring and control terminals 2 and 3 to the same value. The load connected to the control terminal 3 can be controlled based on the monitoring data of the switch S1 returned from the monitoring terminal 2 which is set to the same value. Note that the monitoring terminal 2 has a plurality of switches S , , S 2
......, the circuit number setting section 13 is unnecessary, and the monitoring circuit 16
It is sufficient to input the switch states of a plurality of switches Sl, S2, . . . .

FIG. 3 shows a block circuit diagram of the pattern setting terminal device 7 that returns the pattern control data inputted through the data input section 25 to the central control device 1, and is transmitted through the signal line 4. A transmission signal transmitting/receiving section 20 that transmits and receives time division multiplexed transmission signals, and insulating sections 21a and 21b consisting of seven Otocobras that transmit signals in an electrically insulated state.
A central control unit 22 that performs signal processing, a data storage unit 23 made of a nonvolatile memory that stores input data or confirmation pattern control data sent from the central control device 1, and a 110 that controls data input/output. Part 24a~
24c, the data set by the switch section 27 of the data input section 25 is taken in via the I10 section 2-4a, and the set data is sent to the display control section 28. ing. Further, the data stored in the data storage section 23 can be outputted as appropriate via the I10 section 24b, and in the embodiment, /
The data can be printed out using a data output section 26 consisting of a link. Furthermore, each circuit other than the transmission signal transmitting/receiving section 20 of the pattern setting terminal 7 is provided with a terminal circuit power supply (
(not shown), and pattern control data can be set independently from the remote monitoring and control system.

Figure @4 shows a front view of the operation display section formed on the front of the terminal case of the pattern setting terminal 7. Channel selection switches SWa, SWa', swb, swb' that are selected by down, and individual selection switches SW that select the load circuit of each control terminal 3
+a”SW, d...SW, 6a to SW, d, block changeover switch SW for switching the block to set data, and the set data to the data storage unit 2.
3, a data set switch S W 1s to be stored in
A printout switch SW21 that prints out the set pattern control data as appropriate, a data return switch SW2□ that returns the stored pattern control data to the central control device 1, and a printout switch SW2□ that allows the pattern control data that has been set to be printed out as appropriate; It is formed by a data transfer switch SW 23 that transfers pattern control data to the terminal device 7. In the figure, the number setting switches SWc and SWc' are push button switches for inputting the pattern number or group number by up or down, and the mode changeover switch SW
2. is the initial setting mode, check.

This is a slide switch that switches between change mode, normal mode, and print mode. Also, clear switch SW
2 S is the input data (the channel number displayed on the display parts DPa and DPb formed by the liquid crystal display element)
, pattern, group number), a push button switch that clears error messages displayed in response to connection errors and operation errors, switch 5W261S W 27-SW
211 is a total pattern switch, a floor pattern switch, and a group switch for setting the type of pattern control data. In addition, all-off switch SW 0,
All-off switch SW i Is The all-area outside switch SW, is a push button switch that allows you to input specific data with one touch when setting the total pattern, making it easy to set the same data for all load circuits. It is now possible to do so. In addition, the display sections DP1 to DP, , display the channel number of each control terminal 3 (in the embodiment) when the control terminals 3 (64 in the embodiment) to be pattern controlled are divided into 4 blocks. , O~15ch, 16~31ah*32-47c
b, 48-63ch) are switched and displayed according to the switching of the channel. Note that the function setting section 25a provided on the left side of the data input section is covered with a door (not shown) for preventing erroneous operation.

The operation of the pattern setting terminal 7 will be explained below. Now, when setting pattern control data from the data input section 25, set the mode changeover switch SW24 to the initial setting mode and switch SW2@~S
Input the type of pattern control using W 2 @. Next, set the pattern number corresponding to the pattern switch using the number setting switches SWc and SWc', and
Select the block for which data is to be set using the block changeover switch 5W2o, and use the channel selection switches SWa and S.
The channel number (terminal number) of the control terminal 3 is set by Wa', swb, swb', and the individual selection switches SW, a""SW, d"'SW, a-8W
, , d to set the load circuit number to be turned on, and press the set switches SW and S to store the pattern control data in the data storage section 23 . At this time, the on/off state of each load circuit is determined by the individual selection switch SW+a~
SW, d...S W I 8 & -S W I
Light-emitting guide L placed below ad
This is displayed by blinking the ED. Pattern control data is input by repeatedly performing the above-described setting operation. By the way, when selecting the load circuit to be turned on as described above, the number of the control terminal device 3 of the block selected by the block changeover switch SW2° is displayed on the display section DP, - as shown in FIG.
Displayed on DP, 6. That is, when the block mi is selected by operating the block changeover switch SW2°, as shown in FIG. 5(a), the control terminals 3 corresponding to terminal numbers 0 to 15 are Load circuits (4 circuits for each control terminal) are switches 5W1a-3Wld--8
W,,a-8W,ad indicates that it can be selected (
For example, back lighting using light emitting diodes).

Next, block selection switch SW2. Press again to select the second
When you switch to block,! @5 As shown in Figure (b), it displays that the load circuits of the control terminals 3 corresponding to terminal numbers 16 to 31 have been selected, and the switch SW
, a-8W, d . . . SW, , a-8W, , d are used to display selectable items. In addition, press the block changeover switch SW2° to switch between the 3rd and 4th blocks.
The same applies when switching to the block, and the fifth
Figures (c) and (d) show the display parts DP, ~DP, 6 at that time.
This shows the display status.

The pattern control data set as described above is temporarily stored in the data storage unit 23, which is a non-volatile memory provided in the pattern setting terminal 7, and is transmitted by pressing the data transfer switch SW2□. The signal is sent back to the central controller 1 via the signal transmitting/receiving section 20 and the signal line 4, and is stored in a memory for storing pattern control data.

On the other hand, when checking or changing the set pattern control data, first press the data transfer switch SW.
By pressing 23, the pattern setting terminal 7 sends a transmission request signal to transmit the pattern control data stored in the memory in the central control device 1, and the data transmitted from the central control device 1 is sent as a transmission signal. The transmitted pattern control data received by the transmitting/receiving section 20 is stored in the data storage section 23. Next, printout switch S
W2. By pressing , the data stored in the data storage section 23 is printed out on a printer, and the pattern control data can be easily confirmed.

In addition, the pattern control data can be changed by the same switch operation as in the case of initial setting, and if the changed pattern control data is sent back to the central controller 1 by pressing the data transfer switch 5W22, the central controller 1 The pattern control data stored in the internal memory is rewritten, and the load is further pattern-controlled based on the changed pattern control data.

As described above, in the embodiment, a large number of load circuits that are subject to pattern control in the remote monitoring and control system are divided into multiple blocks (4 blocks in the embodiment), and each block corresponds to the load circuit within the block. Data setting switches (individual switches S W 1a-S W +d,
S W2a-S W2d--) and display sections DP, ~DP that display the load circuits corresponding to each data setting switch.
16 forms an operation display section, and when the block to which data is set is sequentially switched with the block changeover switch 5W2o, the corresponding load circuit in the block is displayed on the display section DP.

By providing an input switching means to display on ~DP, it is possible to avoid increase in cost and size even when the number of load circuits subject to pattern control increases. . In addition, in the embodiment, the data output unit 2 prints out the set pattern control data.
6, it is easy to confirm the pattern control data. Furthermore, since a data storage unit 23 is provided, which includes a terminal circuit power source and a nonvolatile memory for storing pattern control data, which enables data setting operations independently of the remote monitoring and control system, the pattern setting terminal 7 can be used as a signal. The pattern control data can be set without connecting to #I4, and the pattern control data can be set in advance at a location other than the installation location of the pattern setting terminal 7 (office, manufacturer side), and the pattern setting terminal 7 can be set in advance. If the terminal device 7 is installed at the installation location, the signal R4 is connected, and the pattern control data is transferred to the central control device 1, setting of the pattern control data becomes even easier.

[Effects of the Invention] As described above, the present invention connects a central control station and a large number of terminal devices having unique addresses through a pair of signal lines, and allows each terminal device to be accessed and monitored from the central control device. In a pattern setting terminal device that sets pattern control data for collective load control in a remote monitoring and control system that transmits data and control data via time division multiplexing, a large number of load circuits that are subject to pattern control within the system are Data setting switches divided into blocks and provided corresponding to the load circuits in the blocks, and a display section that displays the load circuits corresponding to each data setting switch form an operation display section, and block switching is also possible. This device is equipped with an input switching means that displays the corresponding load circuit in the block on the display when the blocks for which data is set are sequentially switched using a switch, and when the number of load circuits subject to pattern control increases. Even in this case, there is an effect that it is possible to provide a pattern setting terminal for a remote monitoring and control system that can avoid increase in cost and size.

[Brief explanation of the drawing]

FIG. 1(a) is a schematic configuration diagram of a remote monitoring and control system according to the present invention, FIG. 1(b) is an explanatory diagram of the same operation, and FIG.
a) and (b) are essential block circuit diagrams of the same as above, FIG. 3 is a block circuit diagram of an embodiment of the present invention, and FIG. 4 is a front view of the same as above;
5 to 10 are explanatory diagrams of the same operation as above. 1 is the central control unit, 2 and 3 are terminal devices, and 4 is the signal line 1.7
2 is a pattern setting terminal, 23 is a data storage section, and 26 is a data output section. Agent Patent Attorney Ishi 1) Chief Seven Procedures Amendment (Voluntary) February 1986 2 %3

Claims (3)

[Claims] (1) A central control unit and a large number of terminal devices having unique addresses are connected through a pair of signal lines, and each terminal device is accessed from the central control unit to time-division multiplex transmission of monitoring data and control data. In a pattern setting terminal device for setting pattern control data for collective load control in a remote monitoring and control system, a large number of load circuits that are subject to pattern control in the system are divided into multiple blocks, and the loads in the blocks are divided into blocks. Data setting switches provided corresponding to each circuit and a display section that displays the load circuit corresponding to each data setting switch form an operation display section, and the blocks to which data is set are sequentially set using block changeover switches. 1. A pattern setting terminal device comprising input switching means for displaying a corresponding load circuit in the block on a display section when switched. (2) The pattern setting terminal device according to claim 1, wherein the set pattern control data can be outputted to a data output unit such as a printer. (3) A data storage section comprising a terminal circuit power source and a nonvolatile memory for storing pattern control data that can perform data setting operations independently of the remote monitoring and control system. Terminal device for pattern setting according to item 2.