Specifications
Mounting modules Using programmable controllers
MELSEC-L Series Quick start guide  2 - 3
2.3 Mounting modules
Mount the prepared modules.
A battery connector must be connected when using the CPU module for the first time.
Mounting modules
 Release the module joint levers located on the top and bottom of the CPU module. (Slide them
towards the front of the module.)
 Install the modules by inserting the connectors of the CPU module and the power supply module
straight so that they can be engaged.
 Lock the module joint levers located on the top and bottom of the CPU module. (Slide them
towards the back of the module.)
 to 
Using the same procedure, attach the END cover.
Procedure complete.
b
CAUTION:
The power supply must be disconnected when mounting modules.
LS40001
 Fig. 2-3:  Mounting modules procedure










