Pre-Operation Settings And Procedures; Handling Instructions - Mitsubishi Electric MELSEC A Series Manual

4. PRE-OPERATION SETTINGS AND PROCEDURES

4. PRE-OPERATION SETTINGS AND PROCEDURES
4.1

Handling Instructions

(1) Protect the A68ADN and the terminal block from impacts.
(2) Do not remove printed circuit boards from the housing. There are no user-
serviceable parts on the boards.
(3) Ensure that no conductive debris can enter the module. If it does, make sure
that it is removed. Guard particularly against wire offcuts.
(4) Tighten terminal screws as specified below:
Screw
I/O terminal block terminal screws (M3)
I/O terminal block installation screws (M4)
(5) To load the module onto the base, press the module against the base so that
the hook is securely locked. To unload the module, push the catch on top of the
module, and, after the hook is disengaged from the base, pull the module
toward you.
Tightening Torque Range (kg ⋅ ⋅ ⋅ ⋅ cm) (lb⋅ ⋅ ⋅ ⋅ inch)
4 − 1
MELSEC-A
5 (4.33) to 8 (6.93)
8 (6.93) to 14 (12.13)