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4Application Precautions
xii
1 Intended Audience
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.
2 General Precautions
The user must operate the product according to the performance specifications
described in the operation 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 Unit. Be
sure to read this manual before attempting to use the Unit and keep this manual
close at hand for reference during operation.
WARNING It is extremely important that a PC and all PC Units 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 a PC System to the above-mentioned
applications.
3 Safety Precautions
WARNING Do not attempt to disassemble the Board or touch the inside of the Unit while the
power is being supplied. Doing so may result in electric shock.
WARNING Do not touch any of the terminals or terminal blocks while the power is being
supplied. Doing so may result in electric shock.
WARNING Be sure to turn OFF the power supply before assembling the Unit or connecting
cables. Not doing so may result in electric shock.
WARNING Do not attempt to disassemble, repair, or modify any Units. Any attempt to do so
may result in malfunction, fire, or electric shock.
4 Application Precautions
Observe the following precautions when using the PC System.
Caution Before starting data links, make sure that data link tables have been appropri-
ately set at each node for which the data links are to be established. If the data
link tables have been inappropriately set, the equipment may perform unex-
pected operation and result in injury. Even if the data link tables have been ap-
propriately set, always make sure that the equipment will not be affected before
starting or stopping the data link.