Omron CS1W-MCH71 Operation Manual page 707

Routine Inspection
12-1-4 Procedure for replacing a Servo Driver
1,2,3...
12-1-5 Procedure for replacing the NS115
1,2,3...
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8. Read the data, parameters, or programs that are saved in the memory card
to the MC Unit through the CPU Unit's backup operation.
9. Turn OFF the power supply to the PLC.
The replacement of the MC Unit is completed.
Follow the procedure below when it is necessary to replace a Servo Driver.
1. Turn OFF the PLC and the Servo Driver.
2. To facilitate rewiring, carefully label the cables that are to be disconnected.
3. Replace the Servo Driver, and reconnect the wiring as before.
4. Turn ON the Servo Driver and PLC.
5. Set the bit [Servo Parameter Save] ON using the Programming Console or
the ladder program on PLC to save servo parameters in the MC Unit into
the Servo Driver.
6. Turn OFF the PLC and the Servo Driver.
The replacement of the Servo Driver is completed.
Follow the procedure below when it is necessary to replace the NS115.
1. Turn OFF the PLC and the Servo Driver.
2. To facilitate rewiring, carefully label the cables that are to be disconnected.
3. Replace the NS115, and reconnect the wiring as before.
4. Turn ON the Servo Driver and PLC.
5. Turn ON the bit [Servo Parameter Save] using the Programming Console
or the ladder program on PLC to save NS115 parameters in the MC Unit
into the new NS115.
The Servo Driver parameters will also be transferred from the MC Unit and
saved at this time.
6. Turn OFF the PLC and the Servo Driver.
The replacement of the NS115 is completed.
Section 12-1