JP3134878B2 - Programmable controller - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[Industrial applications]

The present invention relates to a programmable controller, and more particularly, to a programmable controller that improves the usability of a programming console used by being connected to the programmable controller.

[0002]

[Prior art]

2. Description of the Related Art Conventionally, in a programmable controller (hereinafter, referred to as a PC), when monitoring the operation state of a PC, a control signal is input through an input unit to the PC to an operation box in which an operation procedure is programmed in advance, The execution method according to the input is executed based on the program, and the control result is output (for example, displayed) through an output unit, or the user operates a key of the programming console using a programming console. It was configured to output (eg, monitor) the execution results of the PC.

[0003]

[Problems to be solved by the invention]

However, as described above, according to the related art, that is, in the case of the above, an operation procedure needs to be programmed in advance, and an additional cost is required because an input / output unit and an operation box are required. There was a problem that it took.

In the case described above, a complicated key operation procedure is predetermined in a programming console, and the operation is difficult, so that not everyone can use it. Therefore, there is a problem that unless a person who is familiar with the operation of the programming console is arranged, it is not possible to use the programming console to monitor, for example, an appropriate operation state of the PC.

The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to allow a user to execute a pro-conkey operation command from an external operation, thereby becoming familiar with the operation of a programming console. Even if you are not a human, you can display the same result on the programming console as if you operated the programming console,
Further, a PC is provided which enables a programming console to be used instead of the operation box.

[0006]

[Means for Solving the Problems]

In order to achieve the above object, a PC according to the present invention is a programmable controller having a detachable programming console, wherein the program stores a user program in which key operation instructions for executing a plurality of key operation procedures on the programming console are described. Storage means; operation instruction execution means for executing a key operation instruction corresponding to the operation instruction stored in the program storage means when receiving an operation instruction to execute a predetermined operation procedure; Data output means for outputting, as data, the result of execution by the instruction execution means.

[0007]

[Action]

According to the PC of the present invention having the above configuration, a user program in which a key operation instruction for executing a plurality of key operation procedures on a programming console is stored, and a predetermined key operation instruction is executed. Upon receiving the operation command, the key operation command is executed, and the execution result is output to the programming console.

[0008]

【Example】

An embodiment of the PC according to the present invention will be described below with reference to the drawings.

FIG. 1 is a circuit block diagram showing a basic circuit configuration of a PC according to the present invention, FIG. 2 is a key code table showing a key arrangement of a key operation unit of the programming console shown in FIG. 1, and FIG. 5 to 5 are flowcharts showing each operation of the PC of the present application, FIG. 6 is an explanatory diagram showing an example in which the key operation of the programming console is omitted, and FIG. 7 is a storage storing the operation procedure of the present invention. It is explanatory drawing which shows the example of description in the address of an area.

As shown in FIG. 1, a PC main unit A includes a communication interface 1 connected to an external device, and an MPU 2 serving as a key operation command execution unit connected to the communication interface 1.
And an input / output (I / O) memory RAM 3 having a setting unit into which the operation procedure of the PC main unit A can be written, and the user side can directly access the PC main unit A to operate the PC main unit A. A user program 4 storing a program set according to the
It has a programming console 10 connected via S (B) and detachably provided to the PC main body A, and a console interface 5 for connection with an external device enabling access to the program console 10. I have.

Further, a system program 6 and an I / O interface 8 are further connected to the BUS (B) of the PC main body A.
The / O interface 8 is connected to the I / O port 9.

The programming console 10 includes a key operation unit C.

As shown in FIG. 2, the key operation unit C is provided with a channel key (CH), an HR key, a monitor key, and the like in addition to a FUN key, a numeric keypad, a clear key, and a shift key.

FIG. 10 and FIG. 11 show a display state displayed on the display unit 11 of the process controller 10 when monitoring the LR45CH, respectively.
FIG. 9 is an explanatory diagram illustrating a display state of a display unit 11 of the process controller 10 at the time of monitoring the TiM511.

Next, the operation of the PC in this embodiment will be described with reference to FIGS.
The description will be made based on the flowchart in FIG.

First, during normal operation, the PC of this embodiment executes the user program stored in the user program 4 in step 100 as shown in FIG.
Move to 1.

In step 101, a service to the computer 10 is executed via the console interface 5 under the control of the MPU 2.

Then, a service is provided to the computer 10, and the execution status of the service is displayed on the display unit of the programming console 10.
Displayed at 11, when this is completed, the process proceeds to step 102, where the tool service is provided to other peripheral devices other than the process control 10 via the communication interface 1 by the input / output control of the MPU 2, and the process proceeds to step 103.

Then, when the upper link service processing is performed in step 103, the process proceeds to step 104, where the I / O refresh processing of the RAM 3 is performed, a series of processing is completed, and step 100 is performed again.
And the above processing is repeated.

Next, the process control service process will be described in detail. First, in step 201, a key input check process from the processor 10 is searched by the MPU2, and in step 202, if a key input from the key operation unit C of the processor 10 is made, the MPU2 is determined to be affirmative (YES). Then, the process proceeds to step 203.

Then, after the transaction processing by the MPU 2 is performed in step 203, the process proceeds to step 204, and the display processing on the process control 10 is performed by the output control of the MPU 2. And the above processing is repeated.

If the MPU 2 determines that the answer is NO (NO) in step 202, the process returns to step 201, and the key input check process in step 201 is executed again.

Further, a key input interrupt of the computer 10 will be described with reference to FIG.

First, the key operation unit C of the computer 10 is operated.

Then, the process proceeds to step 300 where the key code is set to the MPU
2 is transferred to a predetermined setting area of the RAM 3 and stored.

When the storage in the RAM 3 is completed, a return operation is performed, and the process controller 10 waits for a key input.

That is, for example, when the relay of the program No. 0000 of the program shown in FIG. 8 written in the user program 4 becomes conductive while the data as shown in FIG. Prohibit key interrupt, DM1000
As shown in FIG. 9, the MPU 2 transfers the data from the number to immediately before the delimiter ($ 00) to the RAM 3.

Thereafter, when the control operation of the MPU 2 shifts to the process control service process, the key input “presence” is performed in the key input check process.
And execute all the data in RAM3,
When this is completed, the state of the LR 45 is displayed on the display unit 11 of the computer 10 as shown in FIG.

After that, the process controller 10 displays the contents of the LR45CH on the display unit 11
Continue to display from.

This state is continued until a new transaction is entered by a key input from the key operation unit C of the next process controller 10 or a process control key operation command.

As is clear from the above description, according to the PC of this embodiment, the user can execute the pro-conkey operation instruction by an external operation on the PC to which the programming console 10 can be attached and detached.
Even if you are not familiar with the operation of 10, you can display the same result as if you operated the programming console 10 on the programming console 10, and as if you could use the programming console 10 instead of the operation box, in terms of usability Will be improved.

[0032]

【The invention's effect】

As described above, according to the present invention, in a programmable controller with a detachable programming console, a program storage unit that stores a user program in which a key operation instruction for executing a plurality of key operation procedures on the programming console is described, Upon receiving an operation instruction to execute a predetermined operation procedure, an operation instruction execution means for executing a key operation instruction corresponding to the operation instruction stored in the program storage means, and an operation instruction execution means. A data output means for outputting the execution result as data is provided, so that a user can easily monitor the PC by an external operation (for example, inputting a control signal through an input unit), as if programming. The console can be used instead of the operation box. Besides cost reductions using freely improve it is achieved that has an effect such as can be achieved.

[Brief description of the drawings]

FIG. 1 is a circuit block diagram showing a basic circuit configuration of a PC according to the present invention.

FIG. 2 is a key code table showing a key arrangement of a key operation unit of the programming console shown in FIG. 1;

FIG. 3 is a flowchart showing each operation of the PC of the present application.

FIG. 4 is a flowchart showing each operation of the PC of the present application.

FIG. 5 is a flowchart showing each operation of the PC of the present application.

FIG. 6 is an explanatory diagram showing an example in which a key operation of a programming console is omitted.

FIG. 7 is an explanatory diagram showing an example of description in an address of a storage area in which an operation procedure of the present invention is stored.

FIG. 8 is an explanatory diagram of a key operation automatic execution program of a programming console.

FIG. 9 is an explanatory diagram showing the contents of a FiFO when the relay of No. 0 is conducting.

FIG. 10 is a front view showing a display example of a display unit of the program console.

FIG. 11 is a front view showing a display example of the display unit of the program console.

[Explanation of symbols]

 A: PC main unit C: Key operation unit 2: MPU 3: RAM 4: User program memory 10: Programming console

──────────────────────────────────────────────────続 き Continued on the front page (72) Minoru Ogawa, Inventor Omron, Inc. 183803 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G05B 19/04-19/05

Claims (1)

(57) [Claims] 1. A programmable controller having a detachable programming console, comprising: a program storage means for storing a user program in which key operation instructions for executing a plurality of key operation procedures on the programming console are written; When receiving an operation command to execute, an operation command execution means for executing a key operation command corresponding to the operation command stored in the program storage means; And a data output means for outputting as a data.