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1. PLC Development Environment Using GX Developer
1.8 Initializing PLC Data Storage Area
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1.8 Initializing for PLC Data Storage Area
When an error has occurred during writing to the CNC, or when the normal sate is not recovered in
spite of error handling, perform initialization for the PLC data storage area, and retry from the first.
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CAUTION
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When initializing PLC data storage area is performed, all sequence programs
and messages currently stored in the CNC will be erased. Do not use this
operation other than when the error cannot be solved.
1.8.1 Operation procedure
Perform the following operation from GX Developer to start the operation screen.
[Online] → [Format PLC memory]
On the following screen, click [Execute].
(Note) As [Target memory], only "PLC RAM/Device memory" is valid.
The setting is not necessary for [Format Type].
The setting is completed when the following dialog appears. Click [OK]. All data stored in the F-
ROM have been deleted and initialized.