!
!
!
!
5Application Precautions
xiii
• Emergency stop circuits, interlock circuits, limit circuits, and similar safety
measures must be provided in external control circuits.
• The
PC will turn OFF all outputs when its self-diagnosis
function detects any
error
or when
a severe failure alarm (F
ALS) instruction is executed. As a coun
-
termeasure
for such errors, external safety measures must be provided to en
-
sure safety in the system.
• The PC outputs may remain ON or OFF due to deposition or burning of the
output
relays or
destruction of the output transistors. As a countermeasure for
such
problems, external safety measures must be provided to ensure safety in
the system.
4 Operating Environment Precautions
Caution Do not operate the control system in the following locations:
• Locations subject to direct sunlight.
• Locations subject to temperatures or humidity outside the range specified in
the specifications.
• Locations
subject to condensation as the result of severe changes in tempera
-
ture.
• Locations subject to corrosive or flammable gases.
• 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 Take
appropriate and suf
ficient 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 Wired Remote I/O System can have a large
effect
on the longevity and reliability of the system.
Improper operating environ
-
ments
can lead to malfunction, failure, and other unforeseeable problems with
the
System. Be sure that the
operating environment is within the specified condi
-
tions
at
installation and remains within the specified conditions during the life of
the System.
5 Application Precautions
Observe the following precautions when using the Wired Remote I/O System.
WARNING Always heed these precautions. Failure to abide by the following precautions
could lead to serious or possibly fatal injury.
• Always
ground the system to 100
Ω
or less when installing the Units. Not con
-
necting to a ground of 100 Ω or less may result in electric shock.
• Always
turn OFF the power supply to the PC before attempting any of the fol
-
lowing.
Not turning OFF the power supply may result in malfunction or
electric
shock.
• Mounting
or dismounting I/O Units, CPU Units, Memory Units, or any other
Units.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
To Next Page
Loading...