Download Type ACPU/QCPU-A (A Mode)(Common Instructions

Transcript
7. APPLICATION INSTRUCTIONS
MELSEC-A
Execution Conditions
ON
Write command
OFF
LWTP
Executed only once
Operation Errors
In the following cases, operation error occurs and the error flag turns on.
• The station number specified at "n1" is not a local station.
• "n2" points starting at (D) exceed the specified device range.
• Specification of "n2" is other than 1 to 32.
POINT
If an LWTP instruction is executed by a CPU which is not for data link, or
when the mode select switch for the link card is set for OFFLINE, no operation
error occurs and M9202 (LWTP instruction enable flag) is set without the
LWTP instruction processing.
7 − 84