JP2906317B2 - Collective terminal - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to load control between a transmission unit and each terminal connected to the transmission unit via a signal line while transmitting and receiving data via the transmission unit using a polling signal. The present invention relates to a collective terminal device which is convenient to use by connecting to the signal line of the monitoring and control system.

[0002]

2. Description of the Related Art FIG. 2 is a system block diagram for explaining a conventional supervisory control system system. In FIG. 2, A is a transmission unit. The transmission unit A includes a plurality of operation terminals B _1, ... B _n and a plurality of control terminals C via a signal line L.
_1, are connected respectively to ... and C _n. The transmission unit A is installed in an electric room or the like in a building. Each operation terminal unit B _1, ... B _n and a plurality of control terminal unit C _1, ... C _n is
It is distributed and installed as needed at key points such as rooms in the building.

A transmission unit A sequentially outputs a polling signal to a signal line L cyclically by time division multiplexing. In addition,
The polling signal forms one signal including address data, control data, and a return time zone. The transmission unit A uses the polling signal to operate the operation terminals B ₁ ,.
B _n and the control terminal unit C _1, ... are sequentially accessed to the C _n, by allowed to sequentially return the reply data together with the sequential control request, the operation terminal unit B _1, ... B _n and the control terminal unit Control and monitoring with C _1, ..., C _n are sequentially repeated.

[0004] Operation terminal B_1,... B_nIs the transmission unit
Different unique addresses for data exchange with A
Z_B1,... Z_BnAnd the status display section B_a1,... B_anAnd reply operation
Part B _b1,... B_bnAnd performs the following operation. example
For example, the unique address Z_B1Operation terminal B equipped with₁For example
The explanation is as follows. That is, the operation terminal
Bowl B₁Is a polling signal sequentially output from the transmission unit A.
Address data is unique address Z_B1Matches
Respond only to polling signals that Operation terminal B
₁Controls the polling signal that matches the address data
Status display section B only according to data_a1The lighting color of red or
Turns green. Operation terminal B₁Is the address
Reply data is returned during the return time of the polling signal that matches the data.
Output data and reply. The reply data is a reply
Operation section B_b1Is output each time the
It is not output normally.

[0005] Control terminal C_1,... C_nIs the transmission unit
Different unique addresses for data exchange with A
Z_C1,... Z_CnAnd the load R_1,... R_nThe load that is the control contact of
Control unit C_a1,... C_anThe following operation is provided. What
Contact, load R_1,... R_nFor example, lighting equipment and air conditioners
is there. For example, the unique address Z_C1Control terminal equipped with
C₁The following is an example of the description. That is,
Control terminal C₁Is the port that the transmission unit A sequentially outputs.
The address data in the ringing signal is the unique address Z.
_c1Respond only to polling signals that match. Control end
End device C₁Is the polling signal that matches the address data
Load control unit C according to only the control data of _a1On / off
I do. Also, the control terminal C₁Is one of the address data
Reply data is output during the response time of the polling signal that matches
And reply. The reply data is stored in the load control unit C._a1of
This data indicates the ON / OFF state, and the return data is the operation data.
Working terminal B_1,... B_nUnlike address data match
Output during the polling signal response time
Has been.

In the following description, the polling signal is represented by P
(Z _Bn , on), P (Z _Bn , off), P (Z _Cn , on), and P (Z _Cn , off). The meaning is as follows. That is, P (Z _Bn , ON)
The address data represents the polling signal and control data Z _Bn is on request, a status display portion B _an, operation terminal unit B _n to output the reply data to the operation terminal unit B _n causes the red lights . P (Z _Bn, off) is and control data address data in Z _Bn represents a polling signal is off request, the operation terminal unit B a status display portion B _an, operation terminal unit B _n with is lit green _{Let n} output reply data. P (Z _Cn , ON) indicates that the address data is Z _Cn
And the control data indicates a polling signal indicating an ON request, inverts the state of the load control unit C _an of the control terminal C _n (for example, turns off if on and turns on if off), and sets the control terminal C _{Let n} output reply data. P
(Z _Cn, off) is and control data address data in Z _Cn represents a polling signal is off request, the current state of the load control unit C _an, of the control terminal unit C _n (e.g. on if it turned if oFF oFF) to output the reply data to the control terminal unit C _n together is maintained.

The transmission unit A, the operation terminals B _1, ... B _n and the control terminals C _1, ... C _n are connected via signal lines L, as shown in FIG. Configure the supervisory control system. This supervisory control system is operated as follows and operates as follows.

That is, when the power is turned on, the transmission unit A performs an initial operation as a control terminal C ₁ ,.
C _n to the polling signal P (Z _C1, off), P (Z _C2, off), ... P (Z _Cn, off) and sequentially outputs the control terminal unit C _1, ... C _n of the load control unit C _{a1 ,} ... while maintaining the current state of the on and off states of the C _an,, polling signal P (Z _C1, off), P (Z _C2, off), ... P (Z _Cn, off) control terminal the reply time zone vessels C _1, ... C _n sequentially receives the reply data from the control terminal unit C _1, ... C _n of the load control unit C _a1, ... C
_Grasp the current on / off state of an.

[0009] This gripping result is, for example, the load control unit C _a1
Is on, the load control unit C _a2 is off,..., The load control unit C _an is on, the transmission unit A transmits the polling signals P (Z _b1 , on), P (Z _b2 , off), … P
(Z _bn , ON) is output, and the status display section B _a1 is lit red, the status display section B _a2 is green,..., And the status display section _Ban is lit red. As described above, the transmission unit A completes the initial operation, and shifts to a normal mode in which a polling signal is output in a normal sequential cyclic manner.

That is, in this supervisory control system,
Is the operation terminal B₁Is the control terminal C₁And the operating end
Terminal B_TwoIs the control terminal C_Two..., operation terminal B_n
Is the control terminal C_nIt is associated as follows.
Therefore, the operator, for example,_a1Is lit red
If color, control terminal C₁Load control unit C_a1Is on
The load R₁Can recognize that it is currently on
You. In addition, the operator, for example,_a1The lighting color of
If green, control terminal C₁Load control unit C _a1Is off
State and the load R₁Recognizes that it is currently on
Wear.

Further, as described below, the operator operates the reply operation section B _b1 (for example, presses a push button operation switch) to change the state of the load control section C _a1 to the reply operation section B _b2. , The state of the load control unit C _a2 can be changed, and the state of the load control unit C _an can be changed by operating the reply operation unit B _bn .

That is, for example, when the operator sets the
Some load R₁If you want to turn off, the operator will reply
Operation section B_b1Operate. Then, the operation terminal B₁Is the
Polling signal P (Z_b1, On) reply
In the time zone, reply operation section B_b1Reply data indicating that was operated
Is output. Then, the transmission unit A becomes the reply operation unit B _b1
Acknowledgment of the reply data indicating that the
The sending unit A sends a polling signal P (Z_C1, On) output
Control terminal C₁Load control unit C_a1Inverted state
Let

The control terminal C ₁ in which the state of the load control unit C _a1 has been turned off by inversion is sent to the subsequent polling signal P
(Z _b1, off) each time it receives the while maintaining the OFF state of the load control unit C _a1, the load control unit C _a1 outputs return data indicating that the OFF state to the transmission unit A. Then, the transmission unit A, the state of the load control unit C _a1 of the control terminal unit C ₁ recognizes the fact is off, since the operation terminal unit B ₁
, A polling signal P (Z _b1 , off) is output. Then, the display state of the operation terminal unit B ₁ part B _a1
Changes from red lighting to green lighting, and notifies the operator that the current state of the load control unit _Ca1 is off.

The supervisory control system shown in FIG. 2 is controlled as desired by the operator while operating and operating as described above.

[0015]

By the way, in the conventional supervisory control system shown in FIG. 2, the load control unit C _a1
, ... If you want to grasp all of the on-off state of the C _an from one place, the operator is required to go to the installation location of the transmission unit A. Also, even if the on / off state of the load control units C _a1, ... C _an is to be controlled arbitrarily from one place, the operator needs to go to the place where the transmission unit A is installed, which is inconvenient. There was a problem to say.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has as its object to control each of the control lines from any place where signal lines are wired. Arbitrarily monitors the status of the load controller of the
It is to provide a convenient collective terminal device that can be controlled.

[0017]

According to the present invention, in order to solve the above-mentioned problems, a transmission unit, a plurality of operation terminals, and a plurality of operation terminals are provided. With a corresponding control terminal, with a time division multiplexed polling signal comprising at least address data, control data and a reply time zone sequentially output from the transmission unit to the signal line, respectively, An operation instruction from the operation terminal device is given to the corresponding control terminal device via the transmission unit, and the load connected to the load control unit of each control terminal device is controlled to a desired state. The state of the load control unit of the control terminal is
A display state that is provided to the corresponding one of the operation terminals via the transmission unit, and a state display unit of the respective one of the operation terminals matches a state of the load control unit of the corresponding one of the control terminals. A collective terminal device connected to the signal line of the monitoring and control system system that is controlled to control, comprising a display unit, an input unit, a storage unit, a transmission unit, and a processing unit, wherein the transmission unit is Receiving the polling signal and outputting address data and control data to the processing unit, wherein the processing unit determines the control terminal device based on the address data and control data output from the transmission unit. Recognition means for recognizing the state of the load control unit, storage means for updating and storing the state of the load control unit of each control terminal in the storage unit, and Load control section When a status display request is made, the status control unit includes a reading unit that reads the status of the load control unit of the control terminal device from the storage unit and outputs the status to the display unit. Features.

According to a second aspect of the present invention, there is provided a display unit, an input unit, a storage unit, a transmission unit, and a processing unit, wherein the transmission unit receives the polling signal to control address data and control data. And outputting data to the processing unit, and outputting return data to the transmission unit in a return time zone of the polling signal based on an instruction of the processing unit. Recognizing means for recognizing the state of the load control unit of each control terminal from the output address data and control data, and storing the state of the load control unit of each control terminal in the storage unit. When a status display request of a load control unit of a desired control terminal is made from the input unit and the storage unit for updating and storing, the status of the load control unit of the control terminal that is requested to display the status is set to the Read from storage Reading means for outputting to the display unit, and when a request to change the state of the load control unit of the desired control terminal is made from the input unit, an operation terminal corresponding to the control terminal requested to change the state And a reply processing means for outputting reply data from the transmission unit to the transmission unit as in the case where an operation instruction is given from the device.

[0019]

With the above arrangement, according to the first aspect of the present invention, the transmission unit receives the polling signal output from the transmission unit from the signal line, and processes the address data and the control data. Output to Then, the recognition unit of the processing unit recognizes the state of the load control unit of each control terminal device from the address data and the control data from the transmission unit, and the storage unit of the processing unit stores the control unit. The status of the load control unit of the mobile terminal is updated and stored in the storage unit. That is, the latest status of the load control unit of each control terminal device is always stored in the storage unit. Therefore, when a status display request of the load control unit of the desired control terminal is made from the input unit,
The reading unit of the processing unit reads the state of the load control unit of the desired control terminal from the storage unit and outputs the state to the display unit. Then, the display unit displays the state of the load control unit of the desired control terminal. Therefore, the operator can grasp the state of the load control unit of the desired control terminal from anywhere where the signal line is wired.

According to the second aspect of the present invention, in addition to the first aspect of the present invention, when a request to change the state of the load control unit of the desired control terminal is made from the input unit, processing is performed. The reply processing means causes the transmission unit to output reply data to the transmission unit in the same manner as when an operation instruction is given from the operation terminal corresponding to the control terminal requested to change the state. Therefore, the operator can control the state of the load control unit of the desired control terminal while grasping the state of the load control unit of the desired control terminal from wherever the signal line is wired. Can be controlled arbitrarily.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the collective terminal device according to the present invention will be described below in detail with reference to FIG. FIG. 1 is a system block diagram of a supervisory control system for explaining the operation of the collective terminal device. The only difference between the supervisory control system shown in FIG. 1 and the supervisory control system described with reference to FIG. 2 is that the collective terminal device D is further added to the signal line L and connected. Except for the collective terminal device D, it is the same as the monitoring control system system described in FIG. Further, in FIG. 1, the same portions are denoted by the same reference numerals, and thus detailed description of the same portions will be omitted.

In FIG. 1, D is a collective terminal device.
Set terminal D includes a display unit D _a, and a key operation unit D _b corresponding to the input unit, a storage unit D _c, and the transmission section D _d, and a processing unit D _e. The display section _Da is capable of displaying various types of character information and graphics. The key operation unit D _b operates to operator causes the desired operation on the set terminal D, is used for inputting a desired condition to the processor D _e. Storage unit D _c is a portion for storing digital data by an instruction processing unit D _e. Transmission unit D _d receives the polling signal from the transmission unit A via a signal line L and outputs the address data and control data of the polling signal to the processing unit D _e, the instruction processing unit D _e This is a section for outputting return data to the transmission unit A via the signal line L.

Processing unit D_eComprises: recognition means, storage means,
It has a reading means and a reply processing means. Recognition hand
The stage is a transmission unit D_dAddress data and control data
And each of the control terminals C_1,... C_nLoad control
Part C_a1,... C_anMeans for recognizing the state of Memory
The stage is a load control unit C recognized by the recognition unit._a1,... C _an
While sequentially updating the state of the_c
This is a means for storing the information. The reading means is a key operation unit D
_bFrom the load control unit C_a1Display state D _aShow on
Request to perform the status display, the load
Gobe C_a1Is stored in the storage unit D_cFrom the display section D
_aThis is a means for displaying and outputting. Reply processing means is key operation
Work D_bFrom the load control unit C_a1Need to change the state of
When the request is made, the control terminal C for which the state change is requested
₁Operation terminal B corresponding to₁Reply operation part B_b1Operate
When the operation terminal B₁Transmits the reply data
Return data is transmitted to the transmission
_dTo the transmission unit A via the signal line L
Means.

The collective terminal device D configured as described above is used as follows. That is, the transmission unit A,
Operation terminal unit B ₁ to be connected to said transmission unit A via a signal line _L, ... B _n and the control terminal unit C _1, to the monitoring control system system that is built from the ... C _n, whole When monitoring and control are desired, the operator does not need to go to the installation location of the transmission unit A as in the related art. Operator is to bring the set terminal D, if connected anyway near the signal line L transmission portion D _d of the set terminal D, full load from that location R
_1, ... R _n can be monitored and controlled. The operation when this collective terminal device D is connected to the signal line L of the supervisory control system is as follows.

That is, no one operates the reply operation units B _b1, ..., B _bn of the operation terminals B _1, ..., B _n , and the load control units C _{a1,. When} the state change operation of _an is not performed, for example, the load control unit C
Assuming that only _a1 is on and the other load controllers C _a2, ... C _an are off, the transmission unit A sends P (Z _B1 , on), P (Z _B2 , off), … P
( _ZBn-1 , off), P ( _ZBn , off), P ( _Zc1 , off), P ( _Zc2 , off),... P ( _ZCn-1 , off), P
(Z _Cn , off) is sequentially and _cyclically output.

[0026] Therefore, the transmission section D _d of the set terminal D connected to the signal line L is polling signal P polling for at least one cycle (Z _B1, on), P (Z _B2, off), ... P ( Z _Bn-1 , off) and P (Z _Bn , off) can be received. That is, polling at least one cycle, the transmission unit A operating terminal unit B _1, ... state display portion B _a1 of B _n, ... B load control unit a lighting state of _an C _a1, ... C _an
The state always try to match the to the polling signal of the address data where is the control data, and to output received by the processor D _e.

Processing unit D_eIs the transmission unit D_dOutput
Load control unit C from the address data and the control data
_a1,... C_anAre sequentially recognized, and the processing unit D_eof
The storage means is a load control unit C recognized by the recognition means._a1,…
C_anAre sequentially stored in the storage unit D_cWhile updating to
Remember That is, the storage unit D_cHas a load controller C_a1,... C
_anIs always stored.

[0028] Therefore, when the operator enters so as to display on the display unit D _a current state of the key operation unit D _b by, for example, the load control unit C _a1, reading means of the processing unit D _e is the storage unit D _c reading the current state of the load control unit C _a1 from the display unit D _a. Therefore, the operator sets the load control unit C
It can recognize from the display unit D _a current state of _a1. That is, the operator can recognize the load control unit C _a1, all the states of the ... C _an, a display unit D _a. Note that, depending on how the key operation unit _Db is operated, the load control unit C
_a1, ... are also possible to graphically display all the states of C _an, on the display unit D _a.

Further, when trying to change the off state of the operator, for example, the load control unit C _a1 from on operator performs an operation state change request of the load control unit C _a1 by the key operation unit D _b. Then, reply processing means of the processing unit D _e, the operation terminal when operation was described in the prior art, the return operation unit B _b1 of the operation terminal unit B ₁ corresponding to the control terminal unit C ₁ as with the vessel B ₁ is to output the reply data to the transmission unit a, the polling signal P (Z _B1, on) to the reply time zone the reply data through the signal line L from the transmission unit D _d to the transmission unit a of Output.

[0030] Then, the transmission unit A, the operation terminal unit B when operating the return operation unit B _b1 of the operation terminal unit B _1
The transmission unit A receives the return data exactly the same as the return data output by the transmission unit A.
(Z _C1 , ON) is output to invert the state of the load controller C _a1 of the control terminal C ₁ .

The load control unit for controlling the terminal device C ₁ whose state became off state by reversing the C _a1 is subsequent polling signal P
(Z _bn, off) each time it receives the while maintaining the OFF state of the load control unit C _a1, the load control unit C _a1 outputs return data indicating that the OFF state to the transmission unit A. Then, the transmission unit A, the state of the load control unit C _a1 of the control terminal unit C ₁ recognizes the fact is off, since the operation terminal unit B ₁
, A polling signal P (Z _b1 , off) is output. Then, the display state of the operation terminal unit B ₁ part B _a1
Changes from red lighting to green lighting, and notifies the operator that the current state of the load control unit _Ca1 is off. At the same time, the state data stored in the load control unit C _a1 of the storage portion D _c of the set terminal D is updated from ON to OFF.

Therefore, if the operator brings the collective terminal device D, as described above, the operator can load the load control units C _a1, ... C _an from any place where the signal line L is wired. All conditions can be monitored and controlled.

[0033]

Since the collective terminal device of the present invention is constructed as described above, according to the first aspect of the present invention, the terminal can be provided from any place where the signal line L is wired. It is convenient because the states of all the load control units can be monitored. According to the invention described in claim 2, all the load control units can be monitored from any place where the signal line L is wired. It is possible to provide a more convenient collective terminal device capable of monitoring and controlling the status of the terminal.

[Brief description of the drawings]

FIG. 1 is a system block diagram of a supervisory control system for explaining the operation of an embodiment of a collective terminal device according to the present invention.

FIG. 2 is a system block diagram illustrating a conventional supervisory control system.

[Explanation of symbols]

A transmission unit B _n operation terminal (where n is _an integer of 1, 2, ...) B _an status display unit (where n is an integer of 1, 2, ...) B _bn reply operation unit (where n is 1, 2) ,...) C _n control terminal (where n is _an integer of 1, 2,...) C _an load control unit D collective terminal device _Da display unit D _b input unit D _c storage unit D _d transmission unit _De processor L signal line R _n load

Claims (2)

(57) [Claims] A transmission unit, a plurality of operation terminals, and respective control terminals corresponding to the plurality of operation terminals, wherein at least address data sequentially output from the transmission unit to a signal line; With a time division multiplexed polling signal comprising control data and a reply time zone, an operation instruction from each operation terminal is given to the corresponding control terminal via the transmission unit, and Controlling the load connected to the load control unit of the control terminal to a desired state, and changing the state of the load control unit of each control terminal to the corresponding operation terminal via the transmission unit And a status monitor for controlling the status display unit of each of the operation terminals to a display state that matches the status of the load control unit of the corresponding control terminal. A visual control system system, a collective terminal device connected to the signal line, comprising: a display unit, an input unit, a storage unit, a transmission unit, and a processing unit, wherein the transmission unit receives the polling signal and receives an address. Data and control data are output to the processing unit. The processing unit, based on the address data and the control data output from the transmission unit, determines a state of the load control unit of each control terminal. Recognition means for recognizing; storage means for updating and storing the state of the load control section of each control terminal in the storage section; and request for displaying the state of the load control section of the desired control terminal from the input section Is performed, the state of the load control unit of the control terminal device for which the status display is requested is read out from the storage unit and read out means is output to the display unit. Collective terminal device. A transmission unit, a plurality of operation terminals, and control terminals respectively corresponding to the plurality of operation terminals, wherein at least address data sequentially output from the transmission unit to a signal line; With a time division multiplexed polling signal comprising control data and a reply time zone, an operation instruction from each operation terminal is given to the corresponding control terminal via the transmission unit, and Controlling the load connected to the load control unit of the control terminal to a desired state, and changing the state of the load control unit of each control terminal to the corresponding operation terminal via the transmission unit And a status monitor for controlling the status display unit of each of the operation terminals to a display state that matches the status of the load control unit of the corresponding control terminal. A visual control system system, a collective terminal device connected to the signal line, comprising: a display unit, an input unit, a storage unit, a transmission unit, and a processing unit, wherein the transmission unit receives the polling signal and receives an address. Outputting the data and the control data to the processing unit, and outputting return data to the transmission unit in a return time zone of the polling signal based on an instruction of the processing unit. Recognizing means for recognizing the state of the load control unit of each control terminal from the address data and the control data output from the transmission unit, and recognizing the state of the load control unit of each control terminal. Storage means for updating and storing in a storage unit; when a status display request of a load control unit of a desired control terminal is made from the input unit, a status of the load control unit of the control terminal requested to display the status. The above Reading means for reading from the storage unit and outputting to the display unit; when a request to change the state of the load control unit of the desired control terminal is made from the input unit, A reply processing means for outputting return data to the transmission unit from the transmission unit in the same manner as when an operation instruction is given from a corresponding operation terminal device. apparatus.