Handling; Precaution When Handling - Mitsubishi Electric MELSEC-A Series User Manual

4. Handling

4.1

Precaution when handling

(1) The module case is made of plastic. Be sure not to drop it or subject it
to strong vibration.
(2) Do not remove the module printed circuit boards from the case. It may
cause trouble.
(3) When connecting the wiring, do not allow wire cuttings or other foreign
matter to enter from the top of the module. Remove any foreign matter
from the module.
(4) Tighten the module mounting screws within the following tightening torque
range.
Module mounting screws (M4 screws)
Terminal block terminal screws (M3.5 screws)
Terminal block mounting screws (M4 screws)
Screw
9
Tightening Torque range
•
78 to 118N cm (8 to 12kg
•
[6.93 to 10.40lb inch]
•
59 to 88N cm (6 to 9kg
•
[5.20 to 7.80lb inch]
•
78 to 118N cm (8 to 12kg
[6.93 to 10.40lb • inch]
•
cm)
•
cm)
•
cm)