Download A1S66ADA,Analog Input/Output Module,User,s Manual

4 PROCEDURES AND SETTINGS BEFORE OPERATION
MELSEC-A
4.2 Handling Precautions
(1) Do not drop or put a great impact on the module case and the terminal block
because they are made of resin.
(2) Do not take the printed circuit board of the module out of the case. It may result in
a failure.
(3) Be careful not to let foreign matter such as filings or wire chips get inside the
module while wiring. Remove all foreign matters if any get inside.
(4) Tighten the module installation screws and terminal screws within the range as
follows :
4
Screw Area
Tightening Torque Range
Module fixing screws (M4 screw)
78 to 118 N·cm
Terminal block terminal screws (M3.5 screw)
59 to 88 N·cm
Terminal block installation screws (M4 screw)
78 to 118 N·cm
(5) When loading the module to the base unit, be sure to insert the module latch to
the fixing hole, and secure the module using module mounting screw.
When removing the module, be sure to remove the module mounting screw first,
then remove the module latch from the fixing hole.
Module mounting screw
Base unit
Module
connector
Module fixing hole
4-2
Module
Module latch
4-2