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7
PREPARATORY PROCEDURES AND SETTING
CHAPTER7
7.1
Handling Precautions
(1) Do not drop or apply strong shock to the module case.
(2) Do not remove the printed-circuit board of the module from the case.
(3) Prevent foreign matter such as dust or wire chips from entering the
(4) A protective film is attached to the top of the module to prevent foreign
(5) Tighten the screws such as module fixing screws within the following
(6) To mount the module, while pressing the module mounting lever located
(7) Before handling the module, touch a grounded metal object to discharge
7
- 1
7.1 Handling Precautions
PREPARATORY PROCEDURES AND
SETTING
Doing so may cause failure.
module.
Such foreign matter can cause a fire, failure, or malfunction.
matter, such as wire chips, from entering the module during wiring.
Do not remove the film during wiring.
Remove it for heat dissipation before system operation.
ranges.
Undertightening can cause short circuit, failure, or malfunction.
Screw
Module fixing screw (M3 screw)
Terminal block terminal screw (M3 screw)
Terminal block mounting screw (M3.5 screw)
External power supply connector screw (M3
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 when using the
module in an environment of frequent vibrations.
in the lower part of the module, fully insert the module fixing
projection(s) into the hole(s) in the base unit and press the module until
it snaps into place.
Incorrect mounting may cause malfunction, failure or drop of the
module.
the static electricity from the human body.
Failure to do so may cause the module to fail or malfunction.
Table 7.1 Tightening torque
*1
Tightening torque range
0.36 to 0.48N m
0.42 to 0.58N m
0.66 to 0.89N m
0.5 to 0.6N m
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