Mitsubishi QJ71C24N User Manual page 312

10 DEDICATED INSTRUCTIONS
Error
Program example
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(1) In case of operation errors, the error flag (SM0) turns on and the error code is
stored in SD0.
See one of the following manuals according to the error code, and check and
correct the error.
<Error code>
4FFF or less : QCPU User's Manual
H
(Hardware Design, Maintenance and Inspection)
7000 or more: Section 11.2
H
A program that reads the communication status of a target module.
When input/output signals of the Q series C24 are from X/Y00 to X/Y1F
MELSEC-Q
The function reads the communication status of
a target module and stores it in a device.
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