CS1D-BC042D Omron, CS1D-BC042D Datasheet - Page 467
CS1D-BC042D
Manufacturer Part Number
CS1D-BC042D
Description
CS1D Dual CPU Exp
Manufacturer
Omron
Datasheet
1.CS1D-SP002.pdf
(638 pages)
Specifications of CS1D-BC042D
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Replacing a CPU Unit
11-3 Replacing a CPU Unit
11-3-1 Replacement Flowchart after Switch to Standby CPU Unit
432
!Caution Turn ON the power after replacing the battery for a CPU Unit that has been
unused for a long time. Leaving the CPU Unit unused again without turning
ON the power even once after the battery is replaced may result in a shorter
battery life.
If the active CPU Unit fails during operation in a Duplex CPU System, the
standby CPU Unit will switch to become the active CPU Unit and operation
will continue. Use the following procedure to replace the faulty CPU Unit and
restore duplex operation.
Online Unit replacement is not possible for a CPU Unit in a Single CPU Sys-
tem. Turn OFF the power supply to the PLC before replacing the Unit.
Operation should start in Duplex Mode.
Error causing switch to standby CPU
Unit in Simplex Mode. (See A023 for
the cause of the switch and A024 to
A025 for the time the switch was
made.)
The CPU STATUS indicator for the
active CPU Unit flashing or lit red.
Change the switch for the faulty
CPU Unit (the one that was the
active CPU Unit) to NO USE.
Change the switch for the new
CPU Unit to NO USE.
Replace the CPU Unit.
Press the initialization
button.
automatic recovery
Setup set for
to Duplex
Mode?
PLC
No
Yes
Section 11-3
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