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4. SETTING AND PROCEDURE BEFORE OPERATION
4.2
Handling Precautions
CAUTION
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The handling precautions for AJ65BT-68TD is explained below.
• Securely fix the module with a DIN rail or mounting screws. Tighten the screws
within the specified torque range.
Undertightening can cause drop of the screw, short circuit or malfunction.
Overtightening can damage the screw and/or module, resulting in drop, short circuit,
or malfunction.
• For protection of the switches, do not remove the cushioning material before
installation.
• Do not directly touch any conductive part of the module.
Doing so can cause malfunction or failure of the module.
• Tighten the terminal screw within the specified torque range.
Undertightening can cause short circuit or malfunction.
Overtightening can damage the screw and/or module, resulting in drop, short circuit,
or malfunction.
• Prevent foreign matter such as dust or wire chips from entering the module.
Such foreign matter can cause a fire, failure, or malfunction.
• Do not touch any terminal while power is on.
Doing so may cause malfunction.
• Do not disassemble or modify the modules.
Doing so may cause failure, malfunction, injury, or a fire.
• Do not drop or apply strong shock to the module.
Doing so may damage the module.
• Shut off the external power supply for the system in all phases before mounting or
removing the module to or from the panel.
Failure to do so may cause the module to fail or malfunction.
• When disposing of this product, treat it as an industrial waste.
• Before handling the module, touch a grounded metal object to discharge the static
electricity from the human body.
Failure to do so may cause the module to fail or malfunction.
(1) Tighten the module mounting screws and terminal block screws within the following ranges.
Screw area
Module installation screws (M4 screw)
Terminal block terminal screws (M3.5 screw)
Terminal bolck installation screws (M4 screw)
(2) When using a DIN rail adapter, install the DIN rail considering the precautions described below.
(a) Applicable DIN rail types (conform to JIS C 2812)
TH35-7.5Fe
TH35-7.5Al
TH35-15Fe
(b) Space between DIN rail installation screws
When installing a DIN rail, tighten the screws with a space of less than 200 mm (7.9 in.).
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4-2
MELSEC-A
Tightening torque range
0.78 to 1.18 N • m
0.59 to 0.88 N • m
0.98 to 1.37 N • m
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