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Update Timing
The offset value designation memory is read in every cycle, irrespective of the item processing cycle.
When to update the screen depends on the setting made at [Redraw the screen] ([
→ [Screen Setting] → [Show/Hide Item]).
• Checked:
The screen is updated when the value in the offset value designation memory changes.
• Unchecked:
Screen change
Screen redisplay
Multi-overlap change (with parts placed on multi-overlap)
Data block change (with parts placed in data block)
Limitations
• An offset value designation memory location is counted as one of the number of the set memory
locations.
For more information on the number of permissible memory locations, refer to the V8 Series
Operation Manual.
• When the screen is updated, the offset value designation memory is read for the items placed on
the screen.
For a screen including multiple offset value designation memory locations, the updated screen is
displayed upon completion of reading all these memory locations. If updating is time-consuming,
the use of the internal memory is recommended.
• When setting offset values on a screen, you need to finish the setting before switching the screen
to another.
In a case where an offset value is designated in an OPEN macro, the offset value is not valid when
the screen is open, but becomes valid when the screen is updated.
• If a value placed in offset value designation memory is outside the permissible range, an error
arises. Observe the specified range for setting.
PLC memory: Communication error Format
Internal memory: Error 46
5
Data Display
Screen Setting]
5
7
5-3
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