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E3NW-ECT EtherCAT Digital Sensor Communication Unit Operation Manual (E429)
• Do not apply voltages or connect loads to the Outputs Slave Units in excess of the maximum
switching capacity. Excess voltage or loads may result in burning.
Handling
• When transporting the product, use special packing boxes, and protect it from being exposed to
excessive vibration or impact during transportation.
• Do not bend cables past their natural bending radius or pull on cables.
• After replacing Units, resume operation only after transferring to the new CPU Unit and/or Special
I/O Units the contents of the DM Area, HR Area, and other data required for resuming operation.
Not doing so may result in unexpected operation.
• Check the user program for proper execution before actually running it on the Unit. Not checking
the program may result in unexpected operation.
• When replacing relays or other parts, be sure to confirm that the ratings of the new part are
correct. Not doing so may result in malfunction or burning.
• Confirm that no adverse effect will occur in the system before attempting any of the following.
• Changing the operating mode of the PLC.
• Setting/resetting any bit in memory.
• Changing the present value of any word or any set value in memory.
• Do not use thinner when cleaning. Use commercially available alcohol.
External Circuits
• Install external breakers and take other safety measures against short-circuiting in external wiring.
Applicable standards
• EN61326-1
• Electromagnetic environment : Industrial electromagnetic environment
(EN/IEC 61326-1 Table 2)
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