Omron OMNUC G User Manual page 176

3-4 Cable and Connector Specifications
Terminal Block Wiring Example (common for XW2B-20G4/-20G5, XW2D-20G6)
3
*1. Absolute encoder backup battery 3.6 to 4.5 V
*2. The XB contacts are used to turn ON/OFF the electromagnetic brake.
*3. Assign BKIR (brake interlock) to CN1-36 pin to use.
Note 1. The absolute encoder backup battery is not required when using a Servomotor with an incremental
encoder.
Note 2. Connect the absolute encoder backup battery to only one of either the connector terminal block or
absolute encoder backup battery cable.
Note 3. Use cable clips with double-sided adhesive tape to secure the absolute encoder backup battery in place.
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+24V +24V +24V STOP POT EXT1 EXT3
0V 0V 0V DEC
24 VDC
*3
BAT OUTM1 /ALM
EXT2 BAT
OUTM1
NOT
COM COM
*1
X1
24 VDC
ALM
FG
COM
*2
XB