CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 25

• Manufacturer Part Number: CJ1W-EIP21
• Description: Ethernet I/P Module
• Manufacturer: Omron

Specifications of CJ1W-EIP21

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Safety Precautions
!WARNING
!Caution Execute online editing only after confirming that no adverse effects will be
!Caution Fail-safe measures must be taken by the customer to ensure safety in the
!Caution Confirm safety at the destination node before changing or transferring to
!Caution Tighten the screws on the terminal block of the AC Power Supply Unit to the
Provide safety measures in external circuits (i.e., not in the Programmable
Controller), including the following items, to ensure safety in the system if an
abnormality occurs due to malfunction of the Programmable Controller or
another external factor affecting the operation of the Programmable Control-
ler. “Programmable Controller” indicates the CPU Unit and all other Units and
is abbreviated “PLC” in this manual.
caused by extending the cycle time. Otherwise, the input signals may not be
readable.
event of incorrect, missing, or abnormal signals caused by broken signal lines,
momentary power interruptions, or other causes. Serious accidents may
result from abnormal operation if proper measures are not provided.
another node the contents of a program, the PLC Setup, I/O tables, I/O mem-
ory, or parameters. Changing or transferring any of these without confirming
safety may result in injury.
torque specified in the operation manual. The loose screws may result in
burning or malfunction.
• Emergency stop circuits, interlock circuits, limit circuits, and similar safety
• The PLC will turn OFF all outputs when its self-diagnosis function detects
• The PLC will turn OFF all outputs when its self-diagnosis function detects
• Provide measures in the computer system and programming to ensure
• Emergency stop circuits, interlock circuits, limit circuits, and similar safety
measures must be provided in external control circuits.
any error or when a severe failure alarm (FALS) instruction is executed.
As a countermeasure for such errors, external safety measures must be
provided to ensure safety in the system.
any error or when a severe failure alarm (FALS) instruction is executed.
Unexpected operation, however, may still occur for errors in the I/O con-
trol section, errors in I/O memory, and other errors that cannot be
detected by the self-diagnosis function. As a countermeasure for all such
errors, external safety measures must be provided to ensure safety in the
system.
safety in the overall system even if errors or malfunctions occur in data
link communications or remote I/O communications.
measures must be provided in external control circuits.
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