Operating Environment Precautions; Application Precautions - Omron C200HW Operation Manual

Application Precautions

! Caution
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Operating Environment Precautions

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Application Precautions

WARNING
!
! Caution
Confirm safety at the destination node before transferring a program to another
node or editing the I/O area. Doing either of these without confirming safety may
result in injury.
Do not operate the control system in the following places.
• 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 shock or vibration.
• Locations subject to exposure to water, oil, or chemicals.
• 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 electric fields or magnetic fields.
• Locations subject to possible exposure to radioactivity.
• Locations close to power supplies.
Observe the following precautions when using the Position Control Unit (PCU)
and Programmable Controller (PC).
Failure to abide by the following precautions could lead to serious or possibly
fatal injury. Always heed these precautions.
• Always ground the system to 100 Ω or less when installing the system to pro-
tect against electrical shock.
• Always turn off the power supply to the PC before attempting any of the follow-
ing:
• Mounting or dismounting the Power Supply Unit, I/O Units, CPU Unit,
other Units, or Memory Casettes.
• Assembling the devices.
• Setting DIP switches or rotary switches.
• Wiring or connecting cables.
• Connecting or disconnecting the connectors.
Failure to abide by the following precautions could lead to faulty operation of the
PC or the system or could damage the PC or PC Units. Always heed these pre-
cautions.
• Fail-safe measures must be taken by the customer to ensure safety in the
event of incorrect, missing, or abnormal signals caused by broken signal lines,
momentary power interruptions, or other causes.
• Interlock circuits, limit circuits, and similar safety measures must be provided
by the customer as external circuits.
• Install external breakers and take other safety measures against short-circuit-
ing in external wiring.
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