JP2850339B2 - Remote monitoring and control terminal - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a terminal for remote monitoring and control.

[Conventional technology]

Conventionally, remote monitoring control system using this kind of remote monitoring and control terminal unit, as shown in FIG. 2, a central control unit 1, a plurality of monitoring the switch S ₁ to S ₄ unique address is set remote monitoring control terminal device serving as monitoring terminal device 2 for monitoring the load L ₁ ~L ₄ control of remote monitoring and control terminal unit serving controller terminal unit 3 for controlling the wireless relay terminal unit 7,
An external interface terminal 8 and a pattern setting terminal 9 are connected by a pair of signal lines 4. Here, the transmission signal transmitted from the central controller 1 to the signal line 4
Vs is, as shown in FIG. 3A, a start pulse signal ST indicating the start of signal transmission, a mode data signal MD indicating a signal mode, and 8-bit address data for calling the terminals 2, 3, 7 to 9. address data signal AD to be transmitted, the load L ₁ ~L ₄
A control data signal CD for transmitting control data, a checksum data signal CS, and a return wait signal WT for setting a return period from the terminals 2, 3, 7 to 9 (± 24).
V) is a time division multiplexed signal, and data is transmitted by pulse width modulation. Each terminal unit 2, 3, 7 ~
In step 9, when the address data of the transmission signal Vs received via the signal line 4 matches the own address data, the control data of the transmission signal Vs is taken in, and the control data of the transmission signal Vs is synchronized with the return wait signal WT of the transmission signal Vs. Then, the monitoring data signal is returned as a current mode signal (a signal transmitted by short-circuiting the signal lines 4 via a suitable low impedance). The central control unit 1 also includes a dummy signal transmitting means for constantly transmitting a dummy transmission signal in which the mode data signal MD is set to the dummy mode, and any one of the monitoring terminal 2 or the wireless relay terminal 7 and the external interface terminal. 8. When an interrupt signal Vi as shown in FIG. 3 (b) returned from the pattern setting terminal 9 is received, the interrupt generating terminals 2, 7 to 9 are detected and the terminal is detected.
There is provided an interrupt processing means for accessing 2, 7 to 9 to return monitoring data. In addition, the central controller 1
Then, based on the monitoring data returned to the central controller 1 from the monitoring terminal 2 or the wireless relay terminal 7, the external interface terminal 8, and the pattern setting terminal 9 as described above, the corresponding load L ₁ as well as it generates control data to be transmitted to the control terminal unit 3 for controlling the ~L _4,
The control data is transmitted to the control terminal 3 via the signal line 4.
Time-division multiplexed transmission so as to control the load L ₁ ~L _4.

As shown in FIG. 4, the wireless relay terminal 7 is a terminal that relays data of an optical wireless system including an optical wireless transmitter Y, an optical wireless receiver X, and a wireless signal line 10, and performs optical wireless transmission. The optical signal transmitted from the device Y is received by the optical wireless receiver X,
The received data is received via the wireless signal line 10 and the data is transferred to the central controller 1.

The external interface terminal 8 is a terminal that performs data transmission with the external control device 8a, and the pattern setting terminal 9 transmits pattern control data input from the data input unit 9a to the central control device 1. It is a terminal that transfers.
The monitoring terminal 2 and the control terminal 3 disposed in the distribution panel 6 or the relay control panel 6a have a distribution panel agreement size, and the control output thereof controls the remote control relay for load control. (Latching relay that can be turned on and off also by a hand switch) 5 is controlled.

FIG. 5 shows an example of the monitoring terminal device 2 for monitoring _one load operation switch S1, which receives the transmission signal Vs via the signal line 4 and sends the return signal VB to the signal line 4. The signal processing unit 2b includes a signal transmission / reception unit 2a to be transmitted and a signal processing unit 2b. The signal processing unit 2b includes an 8-bit unique address set by an address setting switch SWa including a dip switch and transmitted address data. together to return the monitoring data indicating the operation state of the switch S ₁ when to address coincidence is obtained compared, light emitting diodes LDa for operating the display by the control data, lit LDb (e.g., load on → red, load Off → green).
Figure 6 is shows a monitoring terminal device 2 for collectively monitoring the four switches S ₁ to S _4, light-emitting diodes LDa ₁ ~LDa _4, L
Load L ₁ ~L that by Db ₁ ~LDb ₄ corresponding to each of the switches S ₁ to S ₄
The operation status of ₄ is displayed.

FIG. 7 shows an example of the control terminal 3 for controlling the _four loads L _{1 to} L _4. As in the case of the monitoring terminal 2 described above, the signal transmission / reception unit 3 a and the signal processing unit 3 a parts 3b are formed in the, when the unique address and the transmission address data set in the address setting switch SWa match, latching relays RY ₁ to Ry for load control based on the transmitted control data ₄ to control. Note that the latching relays RY _{1 to} RY ₄ for load control have a set winding La and a reset winding Lb, and
The control signal outputted from 3b is controlled by a set signal and a reset signal which are inverted by an inverter.

FIG. 8 is the monitoring terminal device 2 for monitoring the four switches S ₁ to S _4, a unique address for each switch S ₁ to S ₄ is obtained by allowing each set, than the dip switch 4 sets of address setting switches SWa ₁
~ SWa ₄ is provided.

[Problems to be solved by the invention]

However, in the above-mentioned conventional example, it is necessary to expose and set an address setting switch for setting a unique address and a function setting switch for setting a terminal function on the terminal device case, which limits the design. In particular, there is a problem in that a plurality of unique addresses are set as in the conventional example shown in FIG.

The present invention has been made in view of the above points, and an object of the present invention is to provide a small, multifunctional remote monitoring and control terminal.

[Means for solving the problem]

A terminal for remote monitoring and control according to the present invention includes a terminal for remote monitoring and control for monitoring a status of an operation switch having a unique address and a control for controlling a load corresponding to the operation switch having a unique address. Remote monitoring and control terminal and a plurality of monitoring and controlling remote monitoring and control terminals are connected via a pair of signal lines. A remote monitoring and control terminal used in a remote monitoring and control system having a central control device for performing time-division multiplex transmission of control data, comprising: a unique address and function data for setting a terminal function corresponding to each unique address. Receiving means for receiving the unique address and function data set using a portable data setting device for setting, and the unique address and function received by the receiving means It is provided with a a non-volatile memory for storing over data.

(Operation)

The present invention is configured as described above, and a remote monitoring and control terminal for monitoring a status of an operation switch in which a unique address is set, and a control for controlling a load corresponding to the operation switch in which a unique address is set. Remote monitoring and control terminal and a plurality of monitoring and control remote monitoring and control terminals are connected via a pair of signal lines, and each remote monitoring and control terminal is accessed to monitor monitoring data. And a central control device for time-division multiplex transmission of control data, a remote monitoring and control terminal used for a remote monitoring and control system, comprising a unique address and function data for setting a terminal function corresponding to each unique address. Receiving means for receiving a unique address and function data set by using a portable data setting device for setting a unique address and function data received by the receiving means. And a nonvolatile memory for storing functional data, and a plurality of unique addresses and functional data corresponding to each unique address can be stored in the nonvolatile memory. It is not necessary to provide a plurality of function setting switches for setting function data corresponding to each unique address, and the space for arranging the address setting switch and the function setting switch is not required. Capable of setting a plurality of unique addresses and function data indicating a terminal function (for example, for monitoring or control) corresponding to each unique address in the non-volatile memory, and monitoring one terminal device according to the unique address. Can be operated as a monitoring terminal or a control terminal. Can have the function of the terminal device, it is possible to achieve multiple functions of the terminal device. In addition, in the non-volatile memory of each terminal, a plurality of unique addresses and function data corresponding to each unique address are set using a portable data setting device. The setting device can be easily carried, and workability when setting data in each terminal device is improved.

〔Example〕

FIG. 1 shows an embodiment of the present invention, in which a unique address is set and signal transmission and reception is performed in such a manner that data is time-division multiplexed with the central controller 1 when accessed from the central controller 1. A remote monitoring control terminal device 20 comprising a unit 20a and a signal processing unit 20b, wherein a nonvolatile memory 21 for storing a plurality of unique addresses and function data for setting a terminal function corresponding to each unique address is provided. In the embodiment, an optical wireless receiver 22 for receiving data to be written to the nonvolatile memory 21 and a nonvolatile memory 21
Optical transmission unit for transmitting data read from
23 are provided. Reference numeral 30 denotes a wireless data setting device, which includes a key input unit 31, a data display unit 32, and an optical transmission / reception unit.
33, and transmits and receives data to and from the remote monitoring and control terminal 20, writes address data and function data from the key input unit 31 to the nonvolatile memory 21, and stores them in the nonvolatile memory 21. The data can be displayed on the data display unit 32. The receiving means is, for example, an optical wireless receiving unit 22 and an optical wireless transmitting unit.
Consists of 23.

Hereinafter, the operation of the embodiment will be described. Now, the remote monitoring and control terminal 20 is configured to perform time division multiplex transmission of data with the central controller 1 when accessed from the central controller 1. A unique address and function data (for example, data set for monitoring and control) are stored. Therefore,
Since there is no need to provide an address setting switch or a function setting switch that is exposed on the front surface of the terminal case in the conventional example, it is possible to provide a small, multifunctional remote monitoring control terminal 20. . In addition, one remote monitoring and control terminal 20 can have the functions of the monitoring terminal 2 and the control terminal 3 of the conventional example.

Further, in the embodiment, an optical wireless receiving unit 22 that receives data to be written to the nonvolatile memory 21 and an optical wireless transmitting unit 23 that transmits data read from the nonvolatile memory 21
Are provided, and data can be transmitted to and from the wireless data setting device 30, so that setting and checking of address data and function data can be easily performed at hand. Further, since data can be set in a non-contact manner, a malfunction due to electric noise does not occur, and data can be easily set even when the apparatus is arranged on the ceiling.

〔The invention's effect〕

The present invention is configured as described above, and a remote monitoring and control terminal for monitoring a status of an operation switch in which a unique address is set, and a control for controlling a load corresponding to the operation switch in which a unique address is set. Remote monitoring and control terminal and a plurality of monitoring and control remote monitoring and control terminals are connected via a pair of signal lines, and each remote monitoring and control terminal is accessed to monitor monitoring data. And a central control device for time-division multiplex transmission of control data, a remote monitoring and control terminal used for a remote monitoring and control system, comprising a unique address and function data for setting a terminal function corresponding to each unique address. Receiving means for receiving a unique address and function data set by using a portable data setting device for setting a unique address and function data received by the receiving means. And a nonvolatile memory for storing functional data, and a plurality of unique addresses and functional data corresponding to each unique address can be stored in the nonvolatile memory. There is no need to provide a plurality of function setting switches for setting the function data corresponding to each unique address, and the space for arranging the address setting switches and the function setting switches is not required, so that the terminal can be downsized. In addition, function data indicating a plurality of unique addresses and a terminal function (for example, for monitoring or control) corresponding to each unique address is set in a non-volatile memory, and one terminal is set according to the unique address. Since it can be operated as a monitoring terminal or a control terminal, one monitoring terminal can be used as a monitoring terminal. Can have the function of the fine control terminal device, there is also an effect that it is possible to achieve multiple functions of the terminal device. In addition, in the non-volatile memory of each terminal, a plurality of unique addresses and function data corresponding to each unique address are set using a portable data setting device. There is also an effect that the setting device can be easily carried and workability when setting data in each terminal device is improved.

[Brief description of the drawings]

FIG. 1A is a block circuit diagram of one embodiment of the present invention, and FIG.
FIG. 2 (b) is a front view of the wireless data setting device, FIG. 2 is a schematic configuration diagram of the remote monitoring control system, FIG. 3 is an operation explanatory diagram of the above, FIG. 5 to 8 are block circuit diagrams of a conventional example. 1 is a central control unit, 2 is a monitoring terminal, 3 is a control terminal, 4 is a signal line, 20 is a monitoring and control terminal, 21 is a non-volatile memory, 22 is an optical wireless receiver, and 23 is optical wireless transmission. Department.

Claims (1)

(57) [Claims] 1. A remote monitoring and control terminal for setting a unique address and monitoring a state of an operation switch, and a remote monitoring and control terminal for controlling a load corresponding to the operation switch and having a unique address set. And a plurality of remote monitoring and control terminals for monitoring and control are connected via a pair of signal lines, and each remote monitoring and control terminal is accessed to time-division multiplex monitoring data and control data. A terminal for remote monitoring and control used in a remote monitoring and control system having a central control unit for transmitting, the portable type for setting a unique address and function data for setting a terminal function corresponding to each unique address. Receiving means for receiving the unique address and function data set by using the data setting device of the present invention, and a non-volatile memory for storing the unique address and function data received by the receiving means. Remote monitoring control terminal device which is characterized in that a memory.