Description

Allen Bradley 1769-OB32 CompactLogix Output Module

Configured for discrete DC output execution in CompactLogix control systems, the Allen Bradley 1769-OB32 (1769-OB32 Output Module) provides direct physical switching control for 32 field output channels through the CompactLogix backplane.

Hardware Specifications

Parameter	Specification
Model	1769-OB32
Brand	Allen Bradley
Origin	USA
Product Type	Digital Output Module
Product Line	CompactLogix
Weight	0.75 lbs (0.34 kg)
Power Consumption	300 mA at 5.1 VDC backplane current draw
Output Type	24 VDC transistor output
Number of Outputs	32 outputs
Output Groups	2 groups of 16 outputs
Operating Voltage	20.4 to 26.4 VDC
Output Delay On	0.1 ms
Output Delay Off	1 ms
Minimum On-State Current	1 mA
Maximum Heat Dissipation	4.5 W
Slot Width	1.5 slots
Mounting Options	Panel mounting and DIN rail mounting
UPC	611320915662

EtherNet/IP and CompactLogix I/O Integration

The 1769-OB32 operates as a CompactLogix digital output component with controller-managed I/O communication through the 1769 backplane interface. Therefore, the module transfers output commands from the processor to external field devices with a defined update response.

In addition, the module supports high-density I/O configuration with 32 output points arranged into two isolated output groups of 16 channels. The compact I/O density allows system designers to scale control panels while maintaining standard CompactLogix hardware architecture.

Frequently Asked Questions

Q: What type of field signals does the 1769-OB32 output module provide?
A: The module provides 24 VDC transistor outputs for controlling connected DC field devices within the specified operating voltage range of 20.4 to 26.4 VDC.

Q: How does the 1769-OB32 connect within a CompactLogix system?
A: The module installs into a 1769 Compact I/O assembly and communicates with the CompactLogix controller through the local backplane interface.

Q: What installation limitations should be considered for this output module?
A: Engineers should verify available chassis space, backplane power loading, field wiring requirements, and output current requirements before installation.

Field Installation Guidelines

Install the 1769-OB32 module on an approved panel or DIN rail mounting system according to CompactLogix installation practices.

Maintain proper separation between DC field wiring and high-voltage conductors to reduce electrical interference. Use suitable terminal wiring methods and verify polarity before applying field power.

Connect cable shields and grounding conductors according to the control cabinet grounding design. Confirm that the connected loads match the module output voltage and current specifications before commissioning.

Verify controller configuration, I/O addressing, and output channel assignment through the programming environment before placing the module into operational service.

Specifications

• Brand: Allen Bradley

Advantages

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