Intended Audience; General Precautions; Safety Precautions - Omron C120 System Manual

Safety Precautions

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Intended Audience

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General Precautions

WARNING
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3 Safety Precautions
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Caution
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This manual is intended for the following personnel, who must also have knowl-
edge of electrical systems (an electrical engineer or the equivalent).
Personnel in charge of installing FA systems.
Personnel in charge of designing FA systems.
Personnel in charge of managing FA systems and facilities.
The user must operate the product according to the performance specifications
described in the relevant manuals.
Before using the product under conditions which are not described in the manual
or applying the product to nuclear control systems, railroad systems, aviation
systems, vehicles, combustion systems, medical equipment, amusement ma-
chines, safety equipment, and other systems, machines, and equipment that
may have a serious influence on lives and property if used improperly, consult
your OMRON representative.
Make sure that the ratings and performance characteristics of the product are
sufficient for the systems, machines, and equipment, and be sure to provide the
systems, machines, and equipment with double safety mechanisms.
This manual provides information for programming and operating the System.
Be sure to read this manual before attempting to use the System and keep this
manual close at hand for reference during operation.
It is extremely important that the Optical Remote I/O System be used for the
specified purpose and under the specified conditions, especially in applications
that can directly or indirectly affect human life. You must consult with your
OMRON representative before applying the Optical Remote I/O System to the
above-mentioned applications.
Do not attempt to take any Unit apart while the power is being supplied. Doing so
may result in electric shock.
Do not touch any of the terminals or terminal blocks while the power is being
supplied. Doing so may result in electric shock.
Tighten the screws on the terminal block of the AC Power Supply Unit to the
torque specified in the operation manual. The loose screws may result in burning
or malfunction.
Execute online edit only after confirming that no adverse effects will be caused
by extending the cycle time. Otherwise, the input signals may not be readable.
Do not attempt to disassemble, repair, or modify any Units. Any attempt to do so
may result in malfunction, fire, or electric shock.
Provide safety measures in external circuits (i.e., not in the Programmable
Controller), including the following items, in order to ensure safety in the system
if an abnormality occurs due to malfunction of the PC or another external factor
affecting the PC operation. Not doing so may result in serious accidents.
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