10-6
10-2 Preparing for Operation
OMNUC G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
10
Operation
Absolute Encoder Setup
You must set up the absolute encoder if using a motor with an absolute encoder. The setup is
required when you turn ON the power supply for the first time, when an Absolute Encoder
System Down Error (Error No. 40) occurs, or when the encoder cable is disconnected and then
connected again.
To use an absolute encoder, set the Operation Switch when Using Absolute Encoder (3015
hex) to 0 or 2 (factory setting).
Refer to the SYSMAC CJ1W-NC281/NC481/NC881/NCF81/NC482/NC882 Position Control
Unit Operation Manual (Cat. No. W487) and to information on Absolute Encoder Setup (4102
hex) to set up the absolute encoder.
Setting Up an Absolute Encoder from the CX-Drive
1. Start the CX-Drive and go online with the Servo Drive via EtherCAT or
USB communications.
2. Select Absolute Encoder from the Tuning Menu of the CX-Drive.
3. Select Multi-Turn Data and Encoder Error Clear from the Absolute
Encoder Dialog Box.
The following error will occur after execution has been completed.
EtherCAT communications: Absolute Value Cleared (Error No. 27.1)
USB communications: Position Data Initialized (Error No. 27.7)
4. Turn the power supply to the Servo Drive OFF and then ON again.
ABS
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