Mitsubishi Electric MELSEC-L Series User Manual page 68

(3) Wiring method for the 40-pin connector
For the wiring method, refer to the following.
MELSEC-L CPU Module User's Manual (Hardware Design, Maintenance and Inspection)
(4) Installing procedure for the 40-pin connector.
Connector screw
(5) Removal procedure for the 40-pin connector
66
1.
Plugging the connector
Plug the wired connector into the slot on the I/O module.
2.
Tightening the connector screws
Tighten the two connector screws (M2.6).
1.
Disconnecting the connector
Loosen the two connector screws and pull out the
connector from the module.