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5
Application Precautions
xiii
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Locations subject to dust (especially iron dust) or salts.
•
Locations subject to exposure to water, oil, or chemicals.
•
Locations subject to shock or vibration.
Caution
Install the CS1 Bus Interface Boards properly as specified in the operation
manuals. Improper installation of the CS1 Bus Interface Boards may result in
malfunction.
Caution
Take appropriate and sufficient countermeasures when installing systems in the
following locations:
•
Locations subject to static electricity or other forms of noise.
•
Locations subject to strong electromagnetic fields.
•
Locations subject to possible exposure to radioactivity.
•
Locations close to power supplies.
Caution
The operating environment of the CS1 Bus Interface Board System will have a
large effect on the longevity and reliability of the system. Improper operating en-
vironments can lead to malfunction, failure, and other unforeseeable problems
with the CS1 Bus Interface Board System. Be sure that the operating environ-
ment is within the specified conditions at installation and remains within the spe-
cified conditions during the life of the system.
5
Application Precautions
Observe the following precautions when using the CS1 Bus Interface Board
System.
•
Always use the power supply voltages specified in the operation manuals. An
incorrect voltage may result in malfunction or burning.
•
Take appropriate measures to ensure that the specified power with the rated
voltage and frequency is supplied. Be particularly careful in places where the
power supply is unstable. An incorrect power supply may result in malfunction.
•
Install external breakers and take other safety measures against short-circuit-
ing in external wiring. Insufficient safety measures against short-circuiting may
result in burning.
•
Always turn OFF the power supply to the CS1 Bus Interface Board and the
PLC before attempting any of the following. Not turning OFF the power supply
may result in malfunction or electric shock.
•
Mounting or dismounting I/O Units or any other Units.
•
Assembling the Units.
•
Setting DIP switches or rotary switches.
•
Connecting cables or wiring the system.
•
Connecting or disconnecting the connectors.
•
Do not attempt to disassemble, repair, or modify any Units.
•
The mounting screws of the CS1 Bus Interface Board must be tightened to the
torque specified in the manuals for the personal computer. Incorrect tightening
torque may result in malfunction.
•
Double-check all wiring and switch settings before turning ON the power sup-
ply. Incorrect wiring may result in burning.
•
Be sure that the connectors, expansion cables, and other items with locking
devices are properly locked into place. Improper locking may result in malfunc-
tion.
