Description

Allen-Bradley 1769-PA2 CompactLogix Power Supply Module

Configured for DC backplane power conversion in CompactLogix controller assemblies, the Allen-Bradley 1769-PA2 (1769-PA2 Power Supply Module) provides direct electrical power distribution for CompactLogix 1769 I/O systems.

Hardware Specifications

Parameter	Specification
Model	1769-PA2
Brand	Allen-Bradley
Origin	USA
Product Type	Power Supply Module
Product Line	CompactLogix
Input Voltage	120/220 VAC nominal
Input Voltage Range	85-265 VAC
Weight	0.40 kg (0.88 lbs)
Power Consumption	100 VA at 120 VAC; 130 VA at 240 VAC
Power Dissipation	8 W at 60 deg C
Output Current Capacity	2 A at 5 VDC; 0.8 A at 24 VDC
Maximum Inrush Current	25 A at 132 VAC
Mounting Type	Panel mount and DIN rail mount supported
Mounting Screw Torque	1.16 Nm
Power Supply Distance Rating	Up to 8 modules
UPC	662468992954

Industrial Control Platform Compatibility

The Allen-Bradley 1769-PA2 operates within the CompactLogix 1769 platform and supplies regulated power to connected controller and I/O modules. The module supports distributed I/O density scaling through the 1769 backplane architecture. Therefore, system designers can calculate available current capacity before installing additional I/O modules.

The CompactLogix platform uses backplane communication to exchange data between controller components and local I/O modules. Additionally, proper module loading calculations help maintain stable power distribution across the assembled rack configuration.

Frequently Asked Questions

Q: What input voltage range does the 1769-PA2 support?
A: The 1769-PA2 accepts an input voltage range of 85-265 VAC and supports nominal 120 VAC or 220 VAC operation.

Q: How much current can the 1769-PA2 provide to the CompactLogix system?
A: The module provides a maximum output capacity of 2 A at 5 VDC and 0.8 A at 24 VDC for connected 1769 system components.

Q: Can the 1769-PA2 be installed on a DIN rail?
A: Yes. The 1769-PA2 supports both DIN rail mounting and panel mounting configurations.

Field Installation Guidelines

Install the 1769-PA2 according to the CompactLogix system power calculation requirements. Verify the total module load before connecting additional 1769 series I/O modules.

Use appropriate industrial wiring practices for AC input connections. Separate power wiring from low-level signal cables to reduce electrical interference. Connect protective grounding according to the enclosure and control panel grounding scheme.

Confirm that the mounting method provides sufficient mechanical support. Tighten mounting hardware according to the specified torque value. Inspect terminal connections before energizing the system.

Specifications

• Brand: Allen Bradley

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems