CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 27

• 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

Application Precautions
• Always use the power supply voltages specified in the operation manuals.
• Take appropriate measures to ensure that the specified power with the
• Install external breakers and take other safety measures against short-cir-
• Make sure that all the Backplane mounting screws, terminal block screws,
• Leave the label attached to the Unit when wiring. Removing the label may
• Remove the label after the completion of wiring to ensure proper heat dis-
• Use crimp terminals for wiring. Do not connect bare stranded wires
• Observe the following precautions when wiring the communications
• Make sure that the terminal blocks, expansion cable connectors, and
• Wire all connections correctly according to instructions in this manual.
• Double-check all wiring and switch settings before turning ON the power
• Mount terminal blocks and connectors only after checking the mounting
• Check the user program (ladder program and other programs) and
• Confirm that no adverse effect will occur in the system before attempting
• After replacing a Unit, resume operation only after transferring to the new
• Before touching a Unit, be sure to first touch a grounded metallic object in
An incorrect voltage may result in malfunction or burning.
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.
cuiting in external wiring. Insufficient safety measures
and cable connector screws are tightened to the torque specified in the
relevant manuals. Incorrect tightening torque may result in malfunction.
result in malfunction if foreign matter enters the Unit.
sipation. Leaving the label attached may result in malfunction.
directly to terminals. Connection of bare stranded wires may result in
burning.
cable.
other items with locking devices are locked in place.
supply. Incorrect wiring may result in burning.
location carefully.
parameters for proper execution before actually running it on the Unit. Not
checking the program may result in unexpected operation.
any of the following. Not doing so may result in an unexpected operation.
CPU Unit, Special I/O Unit, or CPU Bus Unit the contents of the DM Area,
HR Area, programs, parameters, and other data required for resuming
operation. Not doing so may result in an unexpected operation.
order to discharge any static build-up. Not doing so may result in malfunc-
tion or damage.
• Separate the communications cables from the power lines or high-ten-
• Do not bend the communications cables past their natural bending ra-
• Do not pull on the communications cables.
• Do not place heavy objects on top of the communications cables.
• Always lay communications cable inside ducts.
• Use appropriate communications cables.
• Changing the operating mode of the PLC.
• Force-setting/force-resetting any bit in memory.
• Changing the present value of any word or any set value in memory.
sion lines.
dius.
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