How to change-over the screen according to a PLC (external) command

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  • No : 4598
  • Displayed Date : 2025/12/01 13:48
  • Updated DTM : 2025/12/08 16:30
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How to change-over the screen according to a PLC (external) command

How to change-over the screen according to a PLC (external) command

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Answer

Use [Displaying Screen Device].

* For V8-compatible screen programs, use [Read Area].

 

  1. Check the [Displaying Screen Device] setting located at [System Setting] → [Hardware Setting] → [Control Area] in the screen program.
     
     
     
  2. Set the screen number to [Displaying Screen Device].

    [Displaying Screen Device]

     
    This will change the screen to the set screen number.

 

If the [Control Area] menu is absent from the hardware settings

[Control Area] is not used for screen programs converted from V8 series and earlier models. In this case, change screens using [Read Area].

[Read Area] setting location

[System Setting] → [Hardware Setting] → [Read/Write Area] → [Read Area]


 

Command method for changing screens

Set the screen number of the target screen to "n+2" in [Read Area] and then turn ON the "n+1-14" bit in [Read Area].


 

For the example in the above figure

D00002 = 10             Set the target screen number to 10.
D00001-14 bit ON      Turn on the change trigger.

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