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MELSEC-Q
4 SETTINGS AND PROCEDURES PRIOR TO OPERATION
4.9 Maintenance and Inspection
This section explains the maintenance and inspection and installing and removing of
the Q series C24.
4.9.1 Maintenance and inspection
The Q series C24 has no special inspection items other than below.
For items other than listed below, perform inspection according to the inspection items
listed in the User's Manual of the PLC CPU module in order to always use the system
in the optimal condition.
(the Q series C24 inspection items)
1) Check if the terminal resistors and cables are connected securely.
2) Verify that the module installation screws and the terminal block installation screws
are securely tightened.
POINT
Be sure to read through the Safety Precautions in the beginning of this manual
regarding the Q series C24 inspection and maintenance.