"Screen No. Error"

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  • Displayed Date : 2025/12/01 13:50
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"Screen No. Error"

"Screen No. Error"

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Answer

At the start of communication, the V8/TS series initially displays the screen corresponding to the value specified for "n+2" in [Read Area].
"Screen No. Error" is displayed when the screen number entered for "n+2" in [Read Area] does not exist in the screen program.

 

 

Check the value of "n+2" in [Read Area] and change it to the value of an existing screen number.
If the device memory of [Read Area] is unknown, check the following locations.

 

V8/TS series
Check position: V-SFT-6 editor [System Setting] →[Hardware Setting]→ [Read/Write Area]→ [Read Area]

Example) In the above screenshot, since the value of "n+2" in [Read Area] is "D00002", check the value of "D00002" on the PLC and change it to the value of an existing screen number if necessary.

* If the [GD-80 Compatible Read/Write Area] checkbox is selected in the
   [GD-80 Compatible] tab window, check the lower 8 bits of the device memory
   for "n+1" in [Read Area].

 

V7 series
Check position: V-SFT-5 editor [System Setting] →[PLC Communication] →[Communication Parameter] →[Main 1]

Example) In the above screenshot, since the value of "n+2" in [Read Area] is "D00002", check the value of "D00002" on the PLC and change it to the value of an existing screen number if necessary.

* If the [GD-80 Compatible Read/Write Area] checkbox is selected, check the
   lower 8 bits of the device memory for "n+1" in [Read Area].

 

If "Screen No. Error" is displayed when the emulator starts

Double-click the value of "n+2" in [Read Area] displayed in the [System] window of the simulator and change it to the value of an existing screen number.

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