JPH0697797B2 - Remote monitoring and control terminal - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a remote monitoring control terminal device that receives a transmission signal time-division multiplexed from a central control device to perform switch monitoring, load control, and the like. Is.

[Prior Art] FIG. 22 shows a schematic configuration of a remote monitoring control system using a terminal for remote monitoring control according to the present invention, including a central control unit 1 and switches S _{1 to} S ₁ to which unique addresses are set. a plurality of monitoring terminal device 2 for monitoring of _4, the load L ₁ ~L ₄ controls the control terminal unit 3, the wireless relay terminal unit 7, and the external interface terminal unit 8, and a pattern setting terminal unit 9 of the pair The transmission signal Vs connected to the signal line 4 and sent from the central control unit 1 to the signal line 4 is a start pulse signal S indicating the start of signal sending, as shown in FIG.
T, mode data signal MD indicating signal mode, terminals 2, 3, 7
Address data signal AD for transmitting 8-bit address data for calling a to 9, the control data signal CD for transmitting the control data for controlling the load L ₁ ~L _4, check sum data signal
This is a multi-pole (± 24V) time-division multiplexed signal consisting of a return standby signal WT that sets the return period from the CS and the terminals 2, 3, 7-9, and data can be transmitted by pulse width modulation. ing.

In each of the terminals 2, 3, 7-9, when the address data of the transmission signal Vs received via the signal line 4 and its own unique address data coincide with each other, the control data of the transmission signal Vs is fetched and transmitted. The monitor 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 the return standby signal WT of the signal Vs. In addition, the central controller 1
Is a dummy signal transmitting means for constantly transmitting a dummy transmission signal in which the mode data signal MD is a dummy mode, and any of the monitoring terminal device 2 or the wireless relay terminal device 7, the external interface terminal device 8 and the pattern setting terminal device. Bowl 9
Interrupt signal sent back from the computer as shown in Figure 23 (b)
When Vi is received, an interrupt processing means for detecting the interrupt-generating terminals 2, 7-9, accessing the terminals 2, 7-9, and returning the monitoring data is provided.

In the central controller 1, the monitoring data sent from the monitoring terminal 2 or the wireless relay terminal 7, the external interface terminal 8 and the pattern setting terminal 9 to the central controller 1 as described above is used. The corresponding load
The control data to be transmitted to the control terminal device 3 for controlling L _{1 to} L ₄ is created, and the control data is time-division multiplexed and transmitted to the control terminal device 3 via the signal line 4 to load L ₁ to L ₄ . L ₄
To control.

The wireless relay terminal device 7 is a terminal device for relaying data of an optical wireless system including an optical wireless transmitter X, an optical wireless receiver Y and a wireless signal line 4a, and an optical signal transmitted from the optical wireless transmitter X. Is received by the optical wireless receiver Y, the received data is received via the wireless signal line 4a, and this data is transferred to the central controller 1.

Further, the external interface terminal device 8 is an external control device.
The pattern setting terminal 9 is a terminal for transmitting data to and from the central controller 8a, and the pattern setting terminal 9 is a terminal for transferring the pattern control data input from the data input unit 9a to the central controller 1.
The monitoring terminal 2 and the control terminal 3 arranged in the distribution board 6 or the relay control board 6a have a distribution board agreement size, and a remote control relay for load control is provided by the control output. (Latching relay that can be turned on and off also by a hand switch) 5 is controlled.

By the way, conventionally, the address setting unit of the above-mentioned monitoring terminal 2 or control terminal 3 is formed by a dip switch DS as shown in FIG. 24, so that a predetermined unique address is set at the time of construction. I was doing. In addition, other function data such as the terminal type can be set with the DIP switch DS.

[Problems to be Solved by the Invention] However, in the above-mentioned conventional example, since the dip switch DS is required, the configuration becomes complicated and the cost becomes high, and the address setting operation is troublesome. was there. Therefore, the address setting part is formed using EEPROM, and the unique address data is electrically written to the EEPROM by the optical signal transmitted from the data setting device, which simplifies the configuration and facilitates the address setting operation. It is possible to do it. However, if a light receiving element for receiving an optical signal is provided at an arbitrary position on the front surface of the terminal case, the light receiving element becomes conspicuous and there is a design problem.

The present invention has been provided in view of the above-mentioned points, and an object thereof is to have a simple structure and low cost, and to easily perform an address setting operation.
An object of the present invention is to provide a terminal for remote monitoring and control, in which the light receiving element is not conspicuous and the design is neat.

[Means for Solving the Problems] The remote monitoring control terminal of the present invention is accessed from a load control switch and a load operation display light emitting diode arranged on the front surface of the terminal case, and a central control unit. Sometimes a signal processing circuit for time-division multiplex transmission of load control switch monitoring data and load operation display light emitting diode control data with a central control unit, and an address setting unit consisting of an EEPROM for setting a unique address , A remote monitoring control terminal comprising an optical signal receiving unit for receiving the unique address data set in the address setting unit as an optical signal, wherein a load operation display light emitting diode and an optical signal receiving unit are provided on a printed circuit board. The light receiving elements are mounted in a row, the printed circuit board is housed in the terminal case, and the light emitting diode is mounted on the front surface of the terminal case. A plurality of openings corresponding to the light-receiving element and the light-receiving element are provided, and the plurality of openings are covered with a light guide made of translucent resin.

According to claim 2, a load control switch and a load operation display light emitting diode arranged on the front surface of the terminal case,
A signal processing circuit that time-division-multiplexes the monitoring data of the load control switch and the control data of the load operation display light-emitting diode with the central control device when accessed from the central control device, and a unique address, function, etc. A terminal device for remote monitoring control, comprising an address setting unit composed of an EEPROM for setting data, and an optical signal receiving unit for receiving the unique address data set in the address setting unit as an optical signal, the printed circuit comprising: The light emitting diodes for load operation display and the light receiving elements of the optical signal receiving unit are mounted on the board in a row, the printed circuit board is housed in the terminal case, and the front surface of the terminal case corresponds to the light emitting diodes and the light receiving elements. A plurality of openings are provided, a light guide made of translucent resin is attached to the plurality of openings, and the load control switch is operated. Is the magnitude of the operating handle disposed in front of the terminal unit case that a size substantially the same as the terminal device case.

Further, in claim 3, four operation handles having a size obtained by dividing the operation handle into four are integrally formed.

According to the fourth aspect, three operation handles having a size obtained by dividing the operation handle into three are integrally formed.

Further, in claim 5, two operation handles having a size obtained by dividing the operation handle into two are integrally formed.

[Operation] The present invention is configured as described above, and an optical signal is formed by forming an address setting section in which a unique address is set in an EEPROM and receiving the unique address data set in the address setting section as an optical signal. Since the terminal unit for remote monitoring and control is provided with the receiving unit, the configuration is simple and the cost can be reduced, and the address setting operation can be easily performed. In addition, the load operation display light emitting diodes and the light receiving elements of the optical signal receiving section are mounted in a row on the printed circuit board,
Since a plurality of openings corresponding to the light emitting diode and the light receiving element are provided on the front surface of the terminal case for accommodating the printed circuit board, and the light guide element made of a translucent resin is covered with the plurality of openings, the light receiving element is conspicuous It is now possible to provide a terminal for remote monitoring and control that has a simple design and is clean.

According to claim 2, the address setting section in which the data such as the unique address and the function is set is formed by the EEPROM, and the remote control is provided with the optical signal receiving section for receiving the unique address data set in the address setting section as an optical signal. Since it is a terminal for monitoring and control, the configuration is simple and the cost is low, the address setting operation is easy, the address setting contents can be freely rewritten, and, for example, when the load is a lighting load. By storing data such as functions in the EEPROM, the multi-function switch has functions such as individual control, pattern control, dimming control, temporary lighting, and delay. Further, the load operation display light emitting diodes and the light receiving elements of the optical signal receiving section are mounted in a row on the printed circuit board, and a plurality of light emitting diodes and light receiving elements corresponding to the light emitting diodes and the light receiving elements are provided on the front surface of the terminal case that houses the printed circuit board. Since the opening is provided and the light guide made of the translucent resin is covered with the plurality of openings,
It is possible to provide a terminal for remote monitoring and control, in which the light receiving element is not conspicuous and the design is neat. Moreover, by making the size of the operation handle arranged on the front surface of the terminal device case substantially the same as the size of the terminal device case, the operation handle can be made large to facilitate the operation.

In claim 3, since four operation handles having a size obtained by dividing the operation handle into four are integrally formed, four operation handles used when controlling four loads are integrated, Easy to assemble.

According to the present invention, the three operation handles each having a size obtained by dividing the operation handle into three are integrally formed, so that the three operation handles used for controlling the three loads are integrated and assembled. Makes it easy.

Further, in claim 5, since two operation handles of a size obtained by dividing the operation handle into two are integrally formed, the two operation handles used for controlling two loads are integrated. , Easy to assemble.

[Embodiment] FIG. 1 shows an embodiment of a monitoring terminal 2 for monitoring the switches S _{1 to} S _4, which is a signal processing circuit 10 including a microcomputer and an address setting unit 11 formed by an EEPROM.
An optical signal receiving unit 12 including a photodiode PD and transistors Q ₅ and Q ₆ , an optical signal transmitting unit 13 including a light emitting diode LD and a transistor Q ₄ , and a power supply circuit 14 including a Zener diode ZD and a transistor Q _2. , A resistor R and a transistor Q ₃ , a return circuit 15, a reset circuit 16 and an oscillator circuit 17.

Here, the transmission signal Vs transmitted via the signal line 4 is rectified by the diode bridge DB and input to the signal input terminal of the signal processing circuit 10 via the transistor Q ₁ and includes the signal processing circuit 10. The circuit power supply of each terminal device circuit is supplied through a power supply circuit 14 that makes the rectified voltage of the transmission signal Vs a constant voltage. Further, the signal processing circuit 10 determines whether the unique address data set in the address setting unit 11 and the address data of the received transmission signal Vs match, and fetches the control data transmitted subsequently when the addresses match. ,
Controls the light-emitting diodes LDa and LDb for load operation display (on → red, off → green), checks the status of switches S _{1 to} S ₄ to form monitoring data, and sends the monitoring data from the return circuit 15 to the current. Return signal for returning to the central control unit 1 as a mode signal (a resistor R having a low resistance value is inserted between the signal lines 4)
V _B is sent to the signal line 4.

On the other hand, the writing of data to the EEPROM constituting the address setting unit 11 is performed by the signal processing circuit 10, and the written data is obtained by performing signal processing on the signal received by the optical signal receiving unit 12. It is formed and 32-bit predetermined data as shown in FIG. 2 is written. Here, the signal received by the optical signal receiver 12 is an optical wireless signal transmitted from a data setter (not shown), and the response signal such as a reception confirmation signal from the optical signal transmitter 13 is an optical wireless signal. The signal is transmitted as a signal, and the data can be securely wirelessly transmitted between the monitoring terminal device 2 and the data setting device.

FIGS. 3 to 8 show an embodiment of the present invention, and show the structure and arrangement of the switch terminal 2 in which the switches S _{1 to} S ₄ are integrated with the monitoring terminal 2. That is, the four load control switches S _{1 to} S ₄ and the corresponding load operation display light emitting diodes LDa and LDb are arranged on the front surface of the terminal case 20. here,
The terminal case 20 is a box-shaped case body 20 that opens to the front.
a and a cover 20b integrally formed with a mounting piece 21, and covers the engagement hole 27a of the engagement piece of the case body 20a.
It can be assembled by engaging the engaging protrusion 27b provided on the side surface of 20b. The attachment piece 21 is provided with a decorative cover attachment screw hole 21d and a wall direct attachment attachment hole 21b. The attachment hole 21b and the wiring box attachment hole 21a and the L-shaped attachment hole provided in the cover 20b are provided. An attachment portion is formed by the scissors attachment hole 21c for metal fittings.

On the front surface of the cover 20b, are adapted to the operation block 22 of the switch S ₁ to S ₄ are Kutsugaechaku engages the engaging pawl 28 in the engaging hole 28a of the cover 20b, the operation block 22 is
One end of each of the four operation handles 23 is connected to a connecting piece 25 via a thin elastic piece 24 so as to be integrated, and a name cover 26 is attached to the front recess of each operation handle 23 by press fitting. It is like this. A switch pressing rib 23b is provided on the back surface of the operation handle 23, and a return spring piece 23a is integrally provided on the back surface. The return spring piece 23a is elastically contacted with the front surface of the cover 20b for operation. The elastic force to return the handle 23 is obtained. Furthermore, on the back surface of the other end of the operation handle 23, an engagement protrusion 29 for preventing floating is integrally projected, and the cover 20
The operation handle 23 can be prevented from rising by engaging with the engagement hole 29a formed in b.

Further, on the front surface of the cover 20b, a protection rib 24a having a triangular cross section for protecting the hinge portion made of the elastic piece 24 is formed so as to be able to abut on the base portion of the elastic piece 24, and the operation handle 23 is pressed with a large force. At this time, by supporting the hinge portion at the apex of the protection rib 24a, the elastic piece 24 is prevented from being excessively deformed and destroyed, and the reliability can be improved. Since the protection rib 24a is formed in a triangular shape in cross section, the operation handle 23 does not come into contact with the protection rib 24a in a normal operation range.

Still further, the load operation display light emitting diodes LDa, LDb, the photodiode PD for transmitting and receiving the optical wireless signal, and the light emitting diode LD are mounted on the printed circuit board 30 in a row, and the printed circuit board 30 is mounted on the terminal case 20. Is stored in the front of the terminal case 20, that is, the cover 20b,
A projecting opening 31 formed corresponding to the light emitting diodes LDa, LDb for projecting the light emitting diodes LDa, LDb, an optical signal transmitting / receiving opening 32 corresponding to the photodiode PD and the light emitting diode LD, and switches S _{1 to} S ₄ . A projecting hole 34 for projecting the operation portion 33 is provided. Further, the connecting piece 25 of the operation block 22 is also provided with an operation display opening 31a corresponding to the opening 31 and an opening 32a corresponding to the opening 32.
A light guide 35 made of a translucent resin is attached to the a and 32a (fitted in a groove 36 formed in the connecting piece 25). Also,
A filter 37 such as an infrared transmission filter that selectively transmits and receives only an optical signal is fitted in the opening 32a.

By the way, when the switch terminal 2 is installed in the embedded wiring box 40, as shown in FIG.
After mounting the terminal case 20 to the wiring box 40 with the mounting screw 41 inserted through the wiring box mounting hole 21a of 20b, the operation block 22 is fitted to the front surface of the terminal case 20 and the decorative cover frame 42 is attached. The attachment piece 43 may be attached to the attachment piece 21 and the makeup cover 44 may be fitted to the makeup cover frame 42. In this case, since the operation block 22 is attached after the terminal case 20 is attached, the attaching portion is covered (that is, the terminal case
The operation block 22 can be formed in such a size as to cover the entire front surface of 20), and the operation handle 23 can be made as large as possible.

The operation of the embodiment will be described below. Now, as shown in FIG. 2, the data (32 bits) written in the EEPROM forming the address setting unit 11 is 4-bit page data, 4-bit upper address data, 4-bit lower address data, 4-bit Load number data, 8-bit identification data, 4-bit return data A and 4-bit return data B, which can be freely written and read by the signal processing circuit 10 as needed. That is,
When a unique address is changed, a terminal type is changed, a control method or a monitoring method is changed when the system is installed, or when the load or switch layout is changed,
When predetermined data is set by the data setter and an optical wireless signal is transmitted, the optical wireless signal is received by the optical signal receiving unit 12 and the data processed by the signal processing circuit 10 is written in the EEPROM of the address setting unit 11. Be done. In this case, since data is saved in the EEPROM even if a power failure occurs, a backup power supply is not required and the data can be electrically rewritten, so that the unique address can be easily changed.

Further, the load operation display light emitting diodes LDa and LDb, the photodiode PD and the light emitting diode LD are mounted on the printed circuit board 30 in a line, and the light emitting diode and the light receiving diode are provided on the front surface of the terminal case 30 that houses the printed circuit board 30. A plurality of openings 31, 32, 31a, 32a corresponding to the element are provided, and a light guide made of translucent resin is covered,
Since the light receiving element of the optical signal receiving section 12 is arranged in the load operation display section, the light receiving element arranged on the front surface of the terminal case 20 is not conspicuous, and the design of the remote monitoring control terminal is provided. can do.

Example 2 Example 2 is shown in FIGS. 9 to 12. The function and the like are the same as those in the previous embodiment, and only different parts will be described. That is, only _one switch S ₁ is provided, and the size of the operation handle 23 of the operation block 22 is substantially the same as the size of the cover 20b of the terminal device case 20. That is, one size of the operation handle 23 of this embodiment is equal to that of the operation handle of the previous embodiment.
It has a size of four 23s. Printed circuit board
_One switch S ₁ is mounted on 30 and a set of load operation display LEDs LDa, LDb, photodiode PD,
Also, the light emitting diode LD is mounted on the printed circuit board 30.

The position of the engaging hole 29a on one end side of the cover 20b is different from that of the previous embodiment, but the function is the same, and two elongated hole-shaped openings 31 are formed on the other end side. The upper and lower ends of the cover 20b are formed in a substantially L shape so that positioning ribs 49a and 49b when the terminal case 20 is connected are fitted to each other.
Then, in the groove 36 of the operation block 22, the light emitting diode LD
An opening 31a for making a and LDb desired and an opening 32a for making the light emitting diode LD and the photodiode PD desired are formed. A groove 48 into which a label 47 is fitted is formed at the center of an operation handle 23 of a piano touch type as a hinge spring configuration by an elastic piece 24, and return spring pieces 23a are integrally formed on both sides of the groove 48. . Further, the name cover 26 fitted in the recess 23c on the front surface of the operation handle 23 is also formed to be elongated and large. The other configuration of the operation block 22 is similar to that of the previous embodiment.

The switch terminal 2 is assembled and configured as follows. First, insert the terminal plate 50 into the case body 20a, and
Caulk 0a and fix the terminal screw 51 to the terminal board 50. The signal lead wire 30a of the printed circuit board 30 is connected to the terminal board 50. Then, after attaching the nameplate 52 to the cover 20b, the printed circuit board 30 is fitted and fitted to the case body 20a. Next, the light guide 35 is attached to the groove 36 of the operation block 22 with a double-sided tape. Then, after inserting the label 47 into the groove 48 of the operation handle 23, the name cover 26 is fitted.
Cover the engaging projection 29 and the engaging claw 28 of the operation block 22 with the cover 20b.
The operation block 22 is fitted into the cover 20b by inserting and locking the engaging hole 29a and the engaging hole 28a, respectively. Next, the name plate 53 is attached to the case body 20a.

FIG. 11 shows a state in which the decorative cover 44 is attached, and the operation handle 23 has a single large structure, which makes the operation very easy.

FIG. 12 shows a circuit diagram, which has basically the same configuration as the circuit of FIG. However, in this embodiment, since the switch S ₁ has only _one switch, the signal of the switch S ₁ is input only to the terminal IN ₀ of the signal processing circuit 10. Also,
Since the EEPROM is used for the memory of the data of the address setting unit 11 in the same manner as the previous embodiment, the data is transmitted to the EEPROM by the data setter as described above,
Data of functions such as address, individual control for control of lighting load, pattern control, group control, dimming, temporary lighting, and delay is stored. Therefore, the contents of the address setting can be freely rewritten and various function controls can be performed, and the present switch terminal device 2 constitutes a multi-function switch.

[Third Embodiment] FIGS. 13 to 15 show a third embodiment. In this embodiment, signals from the _four switches S _{1 to} S ₄ can be input, and four operation handles 23 of a size obtained by dividing the operation handle 23 of the second embodiment into four are integrally formed. Is shown.
Therefore, in this embodiment, as in the first embodiment, four labels 47 and four name covers 26 are provided, and four light emitting diodes LDa, LDb ... The arrangement of each member is the same as that in FIG. 3, and four sets of switches S _1, ..., Light emitting diodes LDa, LDa, and operation handle 23 are provided as compared with the case of FIG. It is a thing.

FIG. 14 shows a state in which the decorative cover 44 is attached, and FIG. 15 shows a circuit diagram. In FIG. 15, switches S ₁ ...
The circuit is the same as that of FIG. 12 except that four S ₄ are provided.
In this embodiment, in addition to having the respective functions as in the third embodiment, four operation handles 23 are integrally formed,
The workability of assembly is improved.

Example 4 Example 4 is shown in FIGS. 16 to 18. In this embodiment, signals from the _three switches S _{1 to} S ₃ can be input, and the operation handle 23 of the second embodiment is divided into three, and three operation handles 23 are integrally formed. Is shown.
Therefore, in this embodiment, like the first embodiment, three labels 47 and three name covers 26 are provided in accordance with the number of the operation handles 23, and three sets of light emitting diodes LDa, LDb ... Are also provided. The arrangement configuration of each member is the same as that in the case of FIG. 3, and compared to the case of FIG. 9, three sets of switches S _1, ..., Light emitting diodes LDa, LDa. It is a thing.

FIG. 17 shows a state in which the decorative cover 44 is attached, and FIG. 18 shows a circuit diagram. In FIG. 18, switches S ₁ ...
The circuit is the same as that of FIG. 12 except that three S ₃ are provided.
In this embodiment, in addition to having the respective functions as in the third embodiment, three operation handles 23 are integrally formed,
The workability of assembly is improved.

Example 5 Example 4 is shown in FIGS. 19 to 21. In this embodiment, signals from the _two switches S ₁ and S ₂ can be input, and two operation handles 23 of a size obtained by dividing the operation handle 23 of the second embodiment into two are integrally formed. Is shown.
Therefore, in this embodiment, two labels 47 and two name covers 26 are provided, and two sets of light emitting diodes LDa, LDb ... Are also provided in accordance with the number of the operation handles 23, as in the first embodiment. The arrangement of each member is the same as that in the case of FIG. 3, and two sets of switches S _1, ..., Light emitting diodes LDa, LDa, and operation handles 23 are provided as compared with the case of FIG. It is a thing.

FIG. 20 shows a state in which the decorative cover 44 is attached, and FIG. 21 shows a circuit diagram. In FIG. 21, switches S ₁ and S
Other that ₂ provided two is the same as the circuit of Figure 12.
In this embodiment, in addition to having the respective functions as in the third embodiment, two operation handles 23 are integrally formed,
The workability of assembly is improved.

[Advantages of the Invention] The present invention is configured as described above, and an address setting section in which a unique address is set is formed by an EEPROM, and the unique address data set in the address setting section is received as an optical signal. Since the terminal device for remote monitoring and control provided with the signal receiving unit is provided, there are effects that the configuration is simple and the cost can be reduced, and the address setting operation can be simplified. In addition, the load operation display light emitting diodes and the light receiving elements of the optical signal receiving section are mounted in a row on the printed circuit board,
Since a plurality of openings corresponding to the light emitting diode and the light receiving element are provided on the front surface of the terminal case for accommodating the printed circuit board, and the light guide made of translucent resin is attached to the plurality of openings, the light receiving element is conspicuous. There is an effect that it is possible to provide a terminal device for remote monitoring and control that is clean in design.

According to claim 2, a load control switch and a load operation display light emitting diode arranged on the front surface of the terminal case,
A signal processing circuit that time-division-multiplexes the monitoring data of the load control switch and the control data of the load operation display light-emitting diode with the central control device when accessed from the central control device, and a unique address, function, etc. A terminal device for remote monitoring control, comprising an address setting unit composed of an EEPROM for setting data, and an optical signal receiving unit for receiving the unique address data set in the address setting unit as an optical signal, the printed circuit comprising: The light emitting diodes for load operation display and the light receiving elements of the optical signal receiving unit are mounted on the board in a row, the printed circuit board is housed in the terminal case, and the front surface of the terminal case corresponds to the light emitting diodes and the light receiving elements. A plurality of openings are provided, a light guide made of translucent resin is attached to the plurality of openings, and the load control switch is operated. Since the size of the operation handle installed on the front of the terminal case is almost the same as the size of the terminal case, the address setting part where the data such as unique address and function is set is stored in EEPROM. Formed,
Since the remote monitoring control terminal is equipped with an optical signal receiving unit that receives the unique address data set in the address setting unit as an optical signal, the configuration is simple and the cost can be reduced, and the address setting operation can be simplified. Also, the address settings can be freely rewritten, and, for example, if the load is a lighting load, data such as functions can be
By storing it in the EEPROM, it is possible to obtain a multi-function switch having functions such as individual control, pattern control, dimming control, temporary lighting, and delay.
Further, the load operation display light emitting diodes and the light receiving elements of the optical signal receiving section are mounted in a row on the printed circuit board, and a plurality of light emitting diodes and light receiving elements corresponding to the light emitting diodes and the light receiving elements are provided on the front surface of the terminal case that houses the printed circuit board. Since the openings are provided and the plurality of openings are covered with the light guide made of translucent resin, it is possible to provide a remote monitoring control terminal device in which the light receiving element is not conspicuous and the design is neat. Moreover, since the size of the operation handle disposed on the front surface of the terminal device case is substantially the same as the size of the terminal device case, there is an effect that the operation handle can be enlarged to facilitate the operation. It is a thing.

Further, according to claim 3, since four operation handles each having a size obtained by dividing the operation handle into four are integrally formed, four operation handles used for controlling four loads are integrated. The assembly can be facilitated.

According to the present invention, the three operation handles each having a size obtained by dividing the operation handle into three are integrally formed, so that the three operation handles used for controlling the three loads are integrated and assembled. Can be made easier.

Further, in claim 5, since the two operation handles having the size obtained by dividing the operation handle into two are integrally formed, the two operation handles used for controlling the two loads are integrated. Can be made easier to assemble.

[Brief description of drawings]

FIG. 1 is a circuit diagram of an embodiment of the present invention, FIG. 2 is an operation explanatory diagram of the same as above, FIG. 3 is an exploded perspective view of the same as above, and FIG. 4 is an exploded perspective view showing an arrangement example in the embedded wiring box above. Figure, fifth
FIG. 6 is a perspective view of an essential part of the same, FIG. 6 is a sectional view of an essential part of the same, FIG. 7 is a front view of an essential part of the same, and FIG.
9 is an exploded perspective view of Embodiment 2 of the above, FIG. 10 is a front view of a cover of the same, FIG. 11 is a front view of a terminal device with a decorative cover of the same attached, and FIG. Circuit diagram, thirteenth
FIG. 14 is an exploded perspective view of the third embodiment, FIG. 14 is a front view of the same, FIG. 15 is a circuit diagram of the same, FIG. 16 is an exploded perspective view of the fourth embodiment, and FIG. Front view, FIG. 18 is a circuit diagram of the same as above, FIG. 19 is an exploded perspective view of Example 5 of the above, FIG. 20 is a front view of the same as above, FIG. 21 is a circuit diagram of the same as above, and FIG. 23 is a schematic configuration diagram of the control system, FIG. 23 is an operation explanatory diagram of the same as above, and FIG. 24 is a front view of a conventional example. 1 is a central control unit, 2 and 3 are terminals, 4 is a signal line, 10 is a signal processing circuit, 11 is an address setting section, 12 is an optical signal receiving section,
20 is a terminal case, 23 is an operation handle, 30 is a printed circuit board, 31, 32, 31a and 32a are openings, S _{1 to} S ₄ are load control switches, La and Lb are load operation display light emitting diodes, PD Is a light receiving element composed of a photodiode.

Claims (5)

[Claims] 1. A load control switch is monitored between a load control switch and a load operation display light emitting diode arranged on the front surface of a terminal case and the central control device when accessed by the central control device. A signal processing circuit that time-division multiplex-transmits the data and the control data of the light-emitting diode for displaying the load operation, the address setting section that consists of the EEPROM that sets the unique address, and the unique address data that is set in the address setting section as optical signals. A remote monitoring control terminal comprising an optical signal receiving section for receiving, wherein a load operation display light emitting diode and a light receiving element of the optical signal receiving section are mounted in a row on a printed circuit board, and the printed circuit board is provided. And a plurality of openings corresponding to the light emitting diode and the light receiving element on the front surface of the terminal case, Remote monitoring control terminal unit, characterized in that the Kutsugaechaku a light guide made of a transparent resin to the number of apertures. 2. A load control switch is monitored between the load control switch and the load operation display light emitting diode arranged on the front surface of the terminal case and the central control device when accessed by the central control device. A signal processing circuit that time-division multiplex-transmits data and control data for the load operation display light-emitting diode, an address setting section consisting of an EEPROM in which data such as unique addresses and functions is set, and a unique address set in the address setting section A remote monitoring control terminal device comprising an optical signal receiving unit for receiving data as an optical signal, wherein a load operation display light emitting diode and a light receiving element of the optical signal receiving unit are mounted in a row on a printed circuit board. , The printed circuit board is housed in a terminal case and a plurality of light-emitting diodes and light-receiving elements are provided on the front surface of the terminal case. An opening is provided, a light guide made of translucent resin is attached to the plurality of openings, the load control switch is operated, and the size of the operation handle arranged on the front surface of the terminal case is adjusted to the terminal case. A terminal device for remote monitoring and control, which is approximately the same size as the. 3. The terminal device for remote monitoring and control according to claim 2, wherein four operation handles having a size obtained by dividing the operation handle into four are integrally formed. 4. The remote monitoring and controlling terminal device according to claim 2, wherein three operation handles having a size obtained by dividing the operation handle into three are integrally formed. 5. The remote monitoring and controlling terminal device according to claim 2, wherein two operation handles having a size obtained by dividing the operation handle into two are integrally formed.