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5.3 Extension Safety Relay Module
5.3.2 Handling precautions
5
SETTINGS AND PROCEDURES BEFORE
OPERATION
5.3.2 Handling precautions
This section explains handling precautions for the extension safety relay module.
(1) Mounting DIN rail
When mounting a DIN rail, pay attention to the following:
(a) Applicable DIN rail model (JIS C 2812 compliant)
TH35-7.5Fe
TH35-7.5Al
(b) DIN rail mounting screw interval
Mount the DIN rail with screws at intervals of 200mm (7.87 inch) or less.
(c) DIN rail fixing bracket
Securely fix a module with a DIN rail fixing bracket.
WARNING
● Do not touch the terminals while power is on.
Doing so could result in electric shock.
● Turn off all phases of the external supply power used in the
system when cleaning the module or retightening the
terminal block mounting screws.
Not doing so could result in electric shock.
Tighten a terminal block mounting screw within the specified
torque range.
If the terminal block mounting screw is too loose, it may
cause a short-circuit, fire or malfunctions.
If too tight, it may damage the screw and/or the module,
resulting in a drop of the screw or module, a short circuit or
malfunctions.
● Use an extension module whose input type is the same as
that of the main module. The modules having different input
types (input P and N types) cannot be connected.
CAUTION
● Be sure there are no foreign substances such as sawdust or
wiring debris inside the module.
Such debris could cause a fire, failure, or malfunctions.
● Do not disassemble or remodel the module.
Doing so could cause a failure, malfunctions, injury, or fire.
If the product is repaired or remodeled by other than the
specified FA centers or us, the warranty is not covered.
● Do not directly touch the module's conductive parts or
electronic components.
Doing so may cause malfunctions or a failure.
● When disposing of this product, treat it as industrial waste.