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SAFETY PRECAUTIONS
Be sure to read carefully the safety precautions given in data sheet and user's manual before operating the module
and follow them.
The precautions explained here only apply to the high-speed counting module.
For safety precautions on the PLC system, see the GLOFA PLC GM3/4/6 and MASTER-K200S/300S/1000S CPU
User's Manuals.
A precaution is given with a hazard alert triangular symbol to call your attention, and precautions are represented
as follows according to the degree of hazard.
!
WARNING
!
CAUTION
However, a precaution followed with
Both of two symbols indicate that an important content is mentioned, therefore, be sure to observe it.
Keep this manual handy for your quick reference in necessary.
Design Precautions
!
CAUTION
▶ Design a safety circuit in the outside of the
PLC for system safety in case of disorder
of the external power or PLC module body.
▶ Otherwise, it can cause injury due to wrong
output or malfunction.
Installation Precautions
▶ Operate the PLC in the environment conditions given in the general specifications.
▶ If operated in other environment not specified in the general specifications, it can cause an
electric shock, a fire, malfunction or damage or degradation of the module
▶ Make sure the module fixing projections is inserted into the module fixing hole and fixed.
▶ Improper installation of the module can cause malfunction, disorder or falling.
If not provided with proper prevention, it can cause death or fatal
injury or considerable loss of property.
If not properly observed, it can cause a hazard situation to result
in severe or slight injury or a loss of property.
!
CAUTION
can also result in serious conditions.
!
CAUTION
!
CAUTION
▶ Do not run I/O signal lines near to high
voltage line or power line.
Separate them as 100 mm or more as
possible.
▶ Otherwise, noise can cause module
.
malfunction
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- Chapter 1 . Introduction
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