1769-OB32T Allen-Bradley Digital Output Module

1769-OB32T Allen-Bradley CompactLogix 32-Point Output Module

1769-OB32T Allen-Bradley CompactLogix 32-Point Output Module

Availability: 99 left in stock

Allen-Bradley 1769-OB32T CompactLogix Digital Output Module Configured for high-density digital signal control in CompactLogix and MicroLogix 1500 platforms, the Allen-Bradley...

SKU: 1769-OB32T

Manufacturer: Allen Bradley
Product No.: 1769-OB32T
Product Type: Digital Output Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Allen-Bradley 1769-OB32T CompactLogix Digital Output Module

Configured for high-density digital signal control in CompactLogix and MicroLogix 1500 platforms, the Allen-Bradley 1769-OB32T (1769-OB32T Digital Output Module) provides direct physical/electrical execution. It directly switches 32 24 VDC sourcing transistor output channels to command field-side actuators, solenoids, and indicators across the system backplane interface.

Hardware Specifications

Parameter	Specification
Model	1769-OB32T
Brand	Allen-Bradley
Origin	USA
Weight	0.30 kg
Dimensions	118 mm x 35 mm x 87 mm
Operating Temp	0 to 60 deg C
Power Consumption	16.0 A maximum module load (20.4 to 26.4 VDC operating range)
Output Type	32 sourcing transistor outputs (24 VDC nominal)
Current Rating	0.5 A maximum per point
Isolation Voltage	750 V DC (field side to backplane side)
Termination	Removable Terminal Block (RTB)

Backplane Bus Communication & I/O Density Scaling

The 1769-OB32T leverages solid-state transistor switching to optimize I/O density scaling, providing 32 sourcing output channels within a single 35 mm module slot. High-speed backplane bus communication velocity allows the controller to trigger rapid solid-state state changes without mechanical relay contact bounce. Optical isolation rated at 750 VDC prevents field-side electrical transients from leaking into the backplane logic rail, maintaining control integrity when operating in dense EtherNet/IP deterministic network topologies across CompactLogix systems.

Frequently Asked Questions

Q: Does the 1769-OB32T draw field load power directly from the 1769 backplane bus?

A: No, the backplane bus provides power exclusively for internal module logic circuits. An external 24 VDC power supply must connect directly to the field-side terminal block to drive connected loads.

Q: Can the 1769-OB32T drive alternating current (AC) field loads?

A: No, the module features DC sourcing solid-state transistor outputs rated strictly for 20.4 to 26.4 VDC operation.

Q: How does a sourcing output configuration route current to field devices?

A: Sourcing output points supply positive (+24 VDC) power to the connected load when activated; the return side of the field device wire must connect to the negative (0 VDC) common bus.

Field Installation Guidelines

Mount the 1769-OB32T onto a standard 35 mm DIN rail or directly to a panel backplate using mounting screws. Ensure the module locks securely into adjacent 1769 modules via the integrated tongue-and-groove bus connectors and locking levers. Strip field wiring conductors to specified lengths before securing them into the Removable Terminal Block (RTB). Route field load wiring separately from low-level analog or communication cables inside the wire ducts to prevent electromagnetic coupling. Connect the external 24 VDC field power supply to the designated power terminals on the RTB, verifying correct polarity prior to energizing the bus.

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