Allen-Bradley 1769-PA2K Installation Instructions Manual page 19

Power Supply Connection
Item Description
The maximum amount of bus current that can be distributed on the 1769 bus (on either side of the power supply, A
or B) is:
1, 2
• 2 amps at 5V DC (assume supported by power supply)
• 1 amp at 24V DC (assume supported by power supply)
3 Expansion I/O power supplies
4 I/O communication expansion cable
IMPORTANT
1
4
To use a 1769 expansion I/O power supply with a controller that has an embedded power
supply (for example, MicroLogix 1500), you must use a 1769 expansion I/O cable. Do not
directly attach the expansion power supply to a controller that has an embedded power
supply.
Rockwell Automation Publication 1769-IN028I-EN-P - July 2020
Compact I/O Expansion Power Supplies
2
Bank 1
3
Bank 2
19