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MELSEC-Q
5 PROCEDURES BEFORE SYSTEM OPERATION
5.6 Maintenance and Inspection
For the QJ71PB92D, eliminate the check of cable connection and looseness and do
not include it as an inspection item. Otherwise, follow the inspection item instructions in
the PLC CPU User’s Manual to always use the system in good condition.
DANGER
!
Switch all phases of the external power supply off before cleaning.
If you do not switch off the external power supply, it will cause failure or malfunction of the module.
CAUTION
!
Never disassemble or modify the module.
This may cause breakdowns, malfunctioning, injury and/or fire.
!
Switch all phases of the external power supply off before mounting or removing the module. If you do not
switch off the external power supply, it will cause failure or malfunction of the module.
!
Do not touch the conductive area or the electronic parts of the module.
Doing so may cause malfunctioning or breakdowns.