Allen-Bradley 1769-PA2 Installation Instructions Manual page 20

Compact I/O Expansion Power Supplies
Power Supply Connection
Item Description
1, 2 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:
• 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 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.
20 Rockwell Automation Publication 1769-IN028C-EN-P - August 2016
1
3
4
2
Bank 1
Bank 2