JPH0612713B2 - Remote monitoring controller - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a remote monitoring control device for accessing a terminal from a central control device to transmit data in a time division multiplex manner.

[Prior Art] Conventionally, JP-A-64-86 discloses that a lighting load is controlled by using a remote monitoring control device of this type in which a central control device accesses a terminal to transmit data in a time division multiplex.
There was a dimming control system as shown in No. 480. That is, the dimming control terminal device is accessed from the central control unit (main operation panel) to transmit the dimming control data, and the high frequency output is controlled based on the dimming control data received by the dimming control terminal device. There was one that made the load dimming.

[Problems to be Solved by the Invention] However, in the above-mentioned conventional example, there is a problem that the dimming control of the illumination load can be performed only from the central control unit, and the usability is poor.

The present invention has been made in view of the above points, and it is an object of the present invention to connect a dimming switch terminal to a signal line so that the dimming control of a lighting load can be performed from any place. It is to provide a supervisory control device.

[Means for Solving the Problems] In the remote monitoring control device of the present invention, the central control device and a plurality of terminals are connected by a pair of signal lines, and each terminal device is accessed from the central control device to control data. And a remote control device for time-division multiplexing transmission of monitoring data, and a dimming switch terminal device for monitoring an up dimming switch, a down dimming switch, and a stop switch, and sending an interrupt request signal when the switch input changes. A dimming control means for connecting the dimming control terminal device for dimming the lighting load to the signal line and monitoring the operation state of the switch by the interrupt processing according to the interrupt request signal to create the dimming control data. In addition to being installed in the central control unit, a predetermined dimming control terminal device is accessed from the central control unit to transmit dimming control data and control the lighting load. It is a thing.

[Operation] The present invention is configured as described above, and in a remote monitoring control device for performing time-division multiplex transmission of control data and monitoring data between a central control device and a plurality of terminals, up dimming control is performed. Connect the dimming switch terminal that monitors the switch, down dimming switch, and stop switch and the dimming control terminal that dimming controls the lighting load to the signal line, and interrupt the switch operating status at the central control unit. The dimming control data is created by monitoring by processing, and a predetermined dimming control terminal is accessed from the central control unit to transmit the dimming control data to dimming control the lighting load. By connecting the dimming switch terminal to the signal line, the dimming control of the lighting load can be performed from any place.

[Embodiment] FIG. 1 shows a schematic configuration of an embodiment of the present invention, in which a central control unit 1 and an operation switch S ₁ with a unique address are set.
To a plurality of monitoring terminals 2 for monitoring S ₄ , a plurality of control terminals 3 for controlling loads L _{1 to} L ₄ , an optical wireless relay terminal 7 and a data external interface terminal 8, a pattern setting terminal 9 is connected by a pair of signal lines 4, and the transmission signal Vs sent from the central control unit 1 to the signal line 4 is a start pulse indicating the start of signal sending, as shown in FIG. 2 (a). A signal ST, a mode data signal MD indicating a signal mode, an address data signal AD for transmitting 8-bit address data for calling the terminals 2 and 3, loads L _{1 to} L ₄
A control data signal CD for transmitting control data for controlling
Checksum data signal CS and terminals 2, 3, 7,
It is a multi-pole (± 24V) time-division multiplexed signal composed of a return waiting period signal WT for setting a signal return period from 8 and 9, and data is transmitted by pulse width modulation. In each of the terminals 2, 3, 7, 8 and 9, the transmission signal Vs received via the signal line 4 is rectified and smoothed to form a terminal circuit power supply. , 9 are supplied from the central control unit 1 via the signal line 4. Also, in each of the terminals 2, 3, 7, 8 and 9, when the address data transmitted by the transmission signal Vs and its own unique address data match, the transmission signal Vs is transmitted.
s control data is taken in, and a monitoring data signal (operation switch operating state monitoring information, load operating state information, etc.) is sent in synchronization with the return standby signal WT of the transmission signal Vs, and a current mode signal (appropriate between the signal lines 4). A low resistance is connected and the signal is sent back as). The return signal V _B is a pair signal of a wide pulse and a narrow pulse as shown in FIG. 5 in order to easily check the signal collision at the time of group access (accessing a plurality of terminals simultaneously). 4 bit signals V _{B1 to} V _B4 representing "" and "0" are returned in synchronization with a predetermined period T _{1 to} T ₄ (R _{0 to} R ₇ ) in the return period T. It is like this.

Data transmission from the monitoring terminal device 2 and the optical wireless relay terminal device 7 to the central control device 1 is performed by interrupt processing.

That is, the central control unit 1 always sends out the dummy transmission signal Vs in which the mode data signal MD is set to the dummy mode, and is returned from any of the terminals 2 and 7.
When the interrupt request signal Vi as shown in (b) is received in synchronization with the start pulse signal ST, the interrupt generation terminal device 2 is transmitted by transmitting the interrupt polling mode transmission signal.
Is detected, the detected interrupt generation terminal 2 is accessed and data is returned (the operation will be described later).

Further, the central controller 1 responds based on the monitoring data (for example, the operation state information of the operation switches S _{1 to} S ₄ ) returned from the terminals 2, 7 ... To the central controller 1 as described above. The control data to be transmitted to the control terminal device 3 for controlling the loads L _{1 to} L ₄ are generated, and the control data is time-division-multiplexed by accessing the control terminal device 3.
Controls the load L ₁ ~L _4, monitoring data (e.g., the load L ₁ ~L operation state information of ₄₎ sent back to the return period flashing control the operation display lamp terminal unit 2,7 ...... based The control data to be transmitted is time-division multiplexed.

FIG. 3 shows a dimming control terminal device 3a, which includes a signal line 4
A power supply unit 10 for rectifying and smoothing a transmission signal Vs transmitted through the terminal to form a terminal power supply; and signal processing of the transmission signal Vs,
A signal processing unit 11 for performing signal processing of the return signal V _B ,
An address setting unit 12 that sets a unique address, and a relay driving unit 14 that drives a relay 15 according to control data.
And a monitoring input unit 16 that monitors the operating state of the relay 15.
And a zero-cross detector 17 that outputs a zero-cross signal synchronized with the zero-cross point of the commercial power supply AC, and performs phase control based on the dimming control data and the zero-cross signal to dimm the lighting load L ₁ and also to the relay contact r. It is configured with a dimming control circuit 18 that controls the lighting load L ₁ to be turned on and off based on the above.

FIG. 4 (a) shows a dimming switch terminal 2a, which includes a power supply unit 10, a signal processing unit 11, and an address setting unit 12.
And a function setting unit 13a for setting a terminal function (described later)
If, arrayed been numerous light-emitting diodes of the dimming level and on the lighting load L ₁ by LD, and the operation display unit 15 'for displaying the off-state, up dimmer switch S _5, the down dimmer switch S _6, stop It is composed of a monitor input unit 16 for monitoring the operation state of the switch S ₇ and the like. FIG. 4 (b) shows an example of setting the terminal function. In the embodiment, whether the switch input (SW) or the contact input terminal (T / U) is set by the 4-bit data (input method is set). In addition to setting), it is possible to set functions such as delayed light off, temporary light off, contact interlocking, and operation time.

As described above, according to the embodiment, in the remote monitoring control device in which the control data and the monitoring data are time-division multiplexed via the pair of signal lines 4, the up dimming switch S ₅ and the down dimming switch are used. switch S ₆ and the stop switch S ₇ and to dimmer switch terminal unit 2a monitors, lighting load L ₁ controls the dimming light control circuit 18 3 dimming control terminal provided with the
a is connected to the signal line 4, and the signal processing means for creating the dimming control data by monitoring the operating states of the switches S ₅ , S ₆ and S ₇ of the dimming switch terminal 2a by interrupt processing. The dimming switch is provided in the device 1 and the dimming control terminal device 3a is accessed from the central control device 1 to transmit dimming control data to dimming control the lighting load L _1. By connecting the terminal device 2a to the signal line 4, the dimming control of the illumination load L ₁ can be performed from an arbitrary place.

Further, the operation data of the switches (corresponding to the up dimming switch and the down dimming switch) input by using the optical wireless transmitters / receivers X and Y that transmit data by the optical signal are transmitted to the optical wireless relay terminal device 7 and the signal line 4. If it is returned to the central control unit 1 via the, the dimming control of the illumination load L ₁ can be easily performed from any position, and the usability is further improved.

FIG. 6 is provided with a load number setting unit 13 for setting which loads L _{1 to} L ₄ connected to a plurality of load control circuits (4 circuits in the embodiment) of the control terminal device 3 are set. And
Other configurations and operations are similar to those of the dimming switch terminal 2a.

The operation of the embodiment will be described below. When Figure 7 is a change in the switch input that is connected to the dimmer switch terminal unit 2a (operation _{S 5, S 6, S 7} ) is detected, interrupt processing transmit switch monitoring information to the central control unit 1 by The following is an example of a data transmission method for controlling the up / down dimming switch in the dimming switch terminal 2a.
When S ₅ and S ₆ are operated and a switch input change is detected, the change is set in the input latch, and immediately after that, the interrupt request pulse Vi is always transmitted to the start pulse signal ST of the dummy mode transmission signal Vs. It is sent in synchronization. In the central controller 1, this interrupt request signal V
When i is received, the transmission signal Vs in the interrupt polling mode for detecting the interrupt request terminal device 2a, ... Which is generating the interrupt request signal Vi is transmitted to send the unique address from the interrupt request terminal device 2a. Send it back.
Here, in the embodiment, the upper 4 bits of the 8-bit address data are transmitted by the transmission signal Vs in the interrupt polling mode, and all the terminal units are group-accessed in units of 16 units. If there is the interrupt request terminal 2a among 2a, ..., The lower 4 bits of the address data are returned from the terminal 2a,
The transmitted upper 4-bit address data and the returned lower 4-bit address are combined to detect the unique address of the interrupt request terminal 2a, and the interrupt request terminal 2a is detected.
To confirm. Next, the interrupt request terminal 2a is accessed on the basis of the unique address determined by the central control unit 1, and the transmission signal Vs in the monitor mode for returning it as the monitor data of the input latch data is sent out from the interrupt request terminal 2a. The input latch data is returned during a predetermined return period, and the change state of the switch S ₅ is confirmed. Then, reset the input latch in the input latch reset mode transmission signal Vs to be transmitted switch S ₅ is operated dimmer switch terminal unit 2a of resetting the input latch, then switch input and a standby state until a change To do.

Next, in the central control unit 1, based on the confirmed input latch data, the up or down dimming switches S ₅ , S ₆
It is determined which of the two is operated, and when it is confirmed that the switch is the up or down dimming switch S ₅ , S ₆ , the dimming control terminal 3a corresponding to the interrupt request terminal 2a is accessed to access the lighting load. The transmission signal Vs of the status monitoring mode for sending back the operation status (dimming status) of L ₁ as monitoring data is sent out, the status monitoring data is sent back from the dimming control terminal 3a, and the dimming level data in the internal memory is illuminated. Match the operating status of load L ₁ . Next, the dimming level data in the internal memory is updated (up or down) at regular intervals set by the timer, and the updated dimming level data is dimmed by the transmission signal Vs in the dimming operation mode. The light load L ₁ is transmitted to the control terminal 3a, and the dimming control terminal 3a transmits the light load L ₁
Is controlled based on the received dimming level data. This updated dimming level data is transmitted to the dimming switch terminal 2a as display level data, and the lighting load
The dimming level of L ₁ is displayed by the light emitting diode LD.

Next, when the stop switch S ₇ is operated and set in the input latch, the presence or absence of the change stop signal is detected by the transmission signal Vs in the input latch monitoring mode, and when the change stop is confirmed, the dimming of the internal memory is performed. The update of the level data is stopped, the transmission signal in the input latch reset mode is transmitted to the interrupt request terminal 2a to reset the input latch, and the dimming control operation by the interrupt process is finished.

FIG. 8 shows a flow chart of a pattern dimming control system in which a plurality of lighting loads are respectively dimmed and turned on in a preset pattern (stored in a pattern memory). When the pattern switch to be monitored is operated, the pattern number is determined, the pattern control data is read from the pattern memory, the pattern control data is compared with the load connection state, and the control data only for the connected lighting load. (ON / OFF control data, dimming control data) is transmitted by accessing the control terminal 3 and the dimming control terminal 3a. Next, in order to send the transmission signal Vs in the status monitoring mode to all the controlled terminals 3 and 3a to adjust the display light emitting diodes of the monitoring terminal 2 for individual operation to the operating status of the lighting load. The transmission signal Vs for transmitting the control data is transmitted. Furthermore, the pattern control data that was initially controlled is compared with the monitored actual load operation status data, and the pattern matching / non-matching is displayed on the status display light emitting diode provided corresponding to the pattern switch. The pattern control operation ends.

FIG. 9 is a float chart showing a group control operation in the case where the central control unit 1 is provided with a group delay control means for collectively delay controlling a plurality of grouped lighting loads, and the operation of the group switch is monitored. When it is confirmed through the control terminal 2, the group number is determined to determine the function setting data set in the monitoring terminal 2 of the group switch, and the function setting data is stored in the group memory in the central controller 1. Create control data such as batch on / off or delay control based on the group operation state before operation. Next, a group operation display signal is sent to the monitoring terminal 2 that has been group-operated based on the created control data to display the group operation. Next, the group control data is read out from the group memory and an operation with the control data is performed to create a group control data table. Next, the control data is transmitted to the control terminal 3 and the dimming control terminal 3a based on the created data table, and the state of the memory for storing the operation state of the lighting load provided in the central control device 1 is transmitted. Set, change and cancel data. Next, the transmission signal Vs in the operation monitoring mode is transmitted to all the controlled terminals 3 and 3a to check the operating state, and the operating state of the load is displayed on the corresponding monitoring terminal 2. Then, a transmission signal for transmitting the status display control data is sent to terminate the group control operation. Here, in the embodiment, the delay time setting timer is
It is formed by software by a timer interrupt process of a CPU that constitutes a signal processing unit of the central control unit 1, and transmits control data for turning off the lighting load after a lapse of a predetermined delay time.

FIG. 10 is a flowchart showing a group dimming operation in the case where the central control device is provided with a group dimming means for collectively dimming and controlling a plurality of grouped lighting loads. / When the down operation is confirmed, the group number is determined, the group data is read from the group memory, and the dimming level data corresponding to the group dimming switch stored in the memory that stores the state in the central controller 1 To update. Next, the updated dimming level data is transmitted to the dimming control terminal device 3a that controls each of the grouped lighting loads to perform dimming control. Next, the transmission signal Vs for transmitting the level display control data is sent to the dimming switch terminal 2a provided with the individual dimming control switches corresponding to the grouped lighting loads, and the lighting load dimming control is performed. Display the light level.
Next, the transmission signal Vs in the input latch monitoring mode is sent to check the presence / absence of the change stop signal (check whether the stop switch S ₇ has been operated). When the change stop signal is detected, the group dimming control operation is performed. To finish.

On the other hand, the dimming level setting means for setting the dimming level is formed by software (arithmetic processing based on a processing program) in the CPU constituting the signal processing unit of the central control unit 1, and the pattern control and group The flowchart of the control dimming level setting operation is as shown in FIG. First, press the pattern / group setting switch to enter the setting mode, and press the pattern switch to be set. Next, by pressing the individual operation switch corresponding to each lighting load so as to match the scene to be set, the lighting load control is set to ON or OFF by the putter switch or outside the area of the putter switch. Similarly, the dimming level is set by pressing the dimming switch corresponding to each lighting load to be dimmed. At this time, on,
Off and outside the area are also set at the same time, and the set dimming level is displayed by the display light emitting diode of the dimming switch terminal 2a. After it is confirmed that the setting is completed, the pattern / group setting switch is pressed again to end the dimming level setting operation.

FIG. 12 shows a time chart at the time of contact interlocking operation in which the lighting load is turned on and off by the relay contact r.
FIG. 12 (a) shows that when the relay contact r is turned on and the lighting load is turned on, the lighting load is dimming controlled to gradually shift to full lighting (100%) and the relay contact r is turned off. When the lighting load is turned off, the light control is performed and the light control is gradually turned off (0%).

Further, FIG. 12 (b) shows that the above-mentioned soft control is applied to dimming control (20 to 80% in the illustrated example), and a delay operation (5 minutes in the illustrated example) is added. In addition,
It goes without saying that a delay operation may be added to the on / off control of FIG. 12 (a) so that the lighting load is delayed and turned off.

[Advantages of the Invention] The present invention is configured as described above, and is improved in a remote monitoring control device for performing time-division multiplex transmission of control data and monitoring data between a central control device and a plurality of terminals. Connect the dimming switch terminal device that monitors the dimming switch, down dimming switch and stop switch and sends an interrupt request signal when the switch input changes and the dimming control terminal device that dimming controls the lighting load to the signal line. , The central control unit monitors the switch operating state by the interrupt processing according to the interrupt request signal to create the dimming control data, and the central control unit accesses a predetermined dimming control terminal device to control the dimming control data. The dimming control of the lighting load is carried out by connecting the dimming switch terminal to the signal line to control the dimming of the lighting load from any place. The effect is that it can be done. Also, an interrupt request signal is sent from the dimming switch terminal device when the switch input changes, and the dimming control is performed by monitoring the operation state of the switch of the dimming switch terminal device by the interrupt processing according to the interrupt request signal to the central controller. Since the signal processing means for creating data is provided, even when many terminals are connected, the central control unit quickly recognizes that the dimming switch has been operated and the corresponding lighting load. Therefore, there is an effect that the dimming control of the lighting load can be quickly performed without giving an uncomfortable feeling to the operator.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of an embodiment of the present invention, FIG. 2 is an operation explanatory diagram of the same as above, FIGS. 3 and 4 (a) are block circuit diagrams of main parts of the same as above, and FIG. FIG. 5 is an operation explanatory diagram of the same as above, FIG. 6 is a block circuit diagram of a main part of the same as above, and FIGS. 7 to 12 are operation explanatory diagrams of the same. Reference numeral 1 is a central controller, 2, 2a, 3, 3a are terminals, 4 is a signal line, and 7 is an optical wireless relay terminal.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Susumu Nakano 1048 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd. (56) Reference JP-A-2-260396 (JP, A)

Claims (6)

[Claims] 1. A remote system in which a central control unit and a plurality of terminal units are connected by a pair of signal lines, and each terminal unit is accessed from the central control unit so that control data and monitoring data are time-division multiplexed. In a supervisory control device, a dimming switch terminal device that monitors an up dimming switch, a down dimming switch, and a stop switch, and sends an interrupt request signal when the switch input changes, and a dimming control terminal device that dimming-controls a lighting load. Is connected to the signal line, and the central control unit is provided with a signal processing means for monitoring the operation state of the switch of the dimming switch terminal by interrupt processing according to the interrupt request signal and creating dimming control data. A remote monitoring system characterized in that a predetermined dimming control terminal device is accessed from the device to transmit dimming control data to dimming control the lighting load. Apparatus. 2. An optical wireless relay terminal device for relaying operation data of a dimming switch input by using an optical wireless transmitter / receiver for transmitting data by an optical signal is connected to a signal line. The remote monitoring and control device described. 3. A dimming switch terminal unit is provided with a load number setting unit, and among a plurality of lighting loads connected to the dimming control terminal unit, the lighting load of the load number set by the load number setting unit is set. The remote monitoring control device according to claim 1 or 2, wherein the dimming control is performed. 4. The remote monitoring control device according to claim 1, wherein a group delay control means for delay-controlling a plurality of grouped lighting loads together is provided in the central control device. 5. The remote monitoring control device according to claim 1, wherein the central control device is provided with group dimming means for collectively dimming and controlling a plurality of grouped lighting loads. 6. A dimming control terminal device is provided with a relay for turning on and off a lighting load based on the transmitted control data, and the dimming control and the on / off control of the lighting load are performed. The remote monitoring and control device according to claim 1.