CS1D-BC042D Omron, CS1D-BC042D Datasheet - Page 492

• Manufacturer Part Number: CS1D-BC042D
• Description: CS1D Dual CPU Exp
• Manufacturer: Omron

Specifications of CS1D-BC042D

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

11-7 Replacing the Duplex Unit
Replacing the Duplex Unit
!Caution Before replacing the Duplex Unit, be sure to set the Duplex Unit’s DPL Switch
1,2,3...
Note The only Duplex Unit that can be replaced is the CS1D-DPL02D Duplex Unit,
3. Connect the Connecting Cables to the replacement Unit. Be sure to con-
4. Verify that the Expansion Units RDY Indicator is lit and its ERR Indicator is
With a Duplex CPU Dual I/O Expansion System, the Duplex Unit can be
replaced when an error occurs in the Unit or during periodic maintenance.
Use the following procedure to replace an Duplex Unit.
which is used in a Duplex CPU Dual I/O Expansion System. The CS1D-
DPL01 Duplex Unit, which is used in a Duplex CPU Single I/O Expansion Sys-
tem, cannot be replaced. (The PLC will stop if a CS1D-DPL01 Duplex Unit is
replaced.)
The CPU Unit will operate in Simplex Mode while the Duplex Unit is being
replaced. If the active CPU Unit stops during replacement, the PLC will stop.
1. Set the Duplex Unit’s DPL Switch to NO USE.
to NO USE. If the Unit is removed while the DPL Switch is set to USE, the
CPU Backplane may fail or the PLC may operate unpredictably.
nect the cables to their original positions. If the cables are connected incor-
rectly, the PLC will not operate normally.
not lit. If there are no errors, the Unit replacement is completed.
When the DPL Switch is set to NO USE, the power supply to the Duplex
Unit and standby CPU Unit will be turned OFF. All of the Duplex Unit indi-
cators will be OFF (not lit).
Connect cables to their
original positions.
If the connections are reversed,
an error will occur and the PLC
will not operate.
Section 11-7
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