Rockwell Automation Publication 1769-IN028I-EN-P - July 2020 21
Compact I/O Expansion Power Supplies
1. Connect incoming power to the power supply terminals as indicated in this graphic.
ATTENTION: Turn off incoming power before connecting or disconnecting wires. Failure to do so
could cause injury to personnel and/or damage to equipment.
Catalog Number 1769-PB2, 1769-PB2K
DC NEUTRAL
Catalog Number 1769-PA2, 1769-PA2K
+24V DC
CHASSIS GROUND
NOT USED
NOT USED
V AC COM (L2)
120/240V AC (L1)
CHASSIS GROUND
*PWR OUT COM
*PWR OUT +24V DC
Catalog Number 1769-PA4, 1769-PA4K
V AC COM (L2)
120/240V AC (L1)
CHASSIS GROUND
NOT USED
NOT USED
*24V DC user power for sensors or other special 24V DC I/O devices
Catalog Number 1769-PB4, 1769-PB4K
DC NEUTRAL
+24V DC
CHASSIS GROUND
NOT USED
NOT USED
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