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Cause of file register reset by latch...
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No : 22584
Release Date : 2018/09/03 17:29
Update : 2018/09/20 17:31
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Cause of file register reset by latch clear operation in universal model QCPU
A universal model QCPU is used. File registers are reset by latch clear operation. Why are file registers cleared?
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FAQ
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Controllers
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Programmable Controllers MELSEC
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MELSEC-Q Series
Answer
If Latch (1) is set in the device setting of PLC parameter, the contents of file registers are cleared by latch clear operation.
Set Latch (2) to maintain the contents after the CPU module is turned off or reset operation.
Product Name
MELSEC-Q Series
Series
CPU
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