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3.1 Handling Precautions
(1) Since the module case is made of resin, do not drop it or subject it to strong
impact.
(2) Do not remove the printed-circuit board of the module from the case.
Doing so will cause failure.
(3) Be sure there are no foreign substances such as sawdust or wiring debris
inside the module.
Such debris could cause fires, damage, or erroneous operation.
(4) The module has an ingress prevention label on its top to prevent foreign
matter, such as wire offcuts, from entering the module during wiring.
Do not peel this label during wiring.
Before starting system operation, be sure to peel this label because of heat
dissipation.
(5) Before handling the module, touch a grounded metal object to discharge
the static electricity from the human body.
Not doing so may cause a failure or malfunction of the module.
(6) Tighten the screws such as module fixing screws within the following
ranges.
Module fixing screw (M3 screw)*1
Spring clamp terminal block fixing
screw (M4 screw)
*1: The module can be easily fixed onto the base unit using the hook at the top of
the module.
However, it is recommended to secure the module with the module fixing
screw if the module is subject to significant vibration.
Screw location
Tightening torque range
0.36 to 0.48 N m
0.78 to 1.18 N m
4
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