Allen Bradley 1746-OB16 SLC 500 Digital DC Output Module

Product Introduction

The Allen-Bradley 1746-OB16 is a digital DC output module designed for the SLC 500 programmable controller platform. It provides reliable control of DC-powered field devices in industrial automation systems where stable switching performance and predictable electrical behavior are required.

This module offers 16 independent DC output points, enabling high output density within a single SLC 500 I/O slot. Operating within a 10–30 VDC voltage range and supporting a total output capacity of 8 A, the 1746-OB16 is suitable for driving solenoids, relays, indicators, and other DC loads commonly found in industrial control panels.

Built for continuous industrial operation, the 1746-OB16 emphasizes electrical robustness, consistent output behavior, and seamless integration with SLC 500 processors. Its design supports efficient wiring practices and dependable long-term operation in both new installations and legacy control systems.

Product Specifications

Applications

• Industrial machine control, driving DC solenoids, contactors, and pilot devices

• Material handling systems, controlling sensors, actuators, and DC indicators

• Manufacturing production lines, enabling reliable output control for automation equipment

• Process automation panels, switching DC loads under PLC control

• Packaging and assembly machinery, supporting fast and repeatable output switching

• Legacy SLC 500 installations, expanding DC output capacity without system redesign

Advantages

• High point density, providing 16 DC outputs in a single module

• Wide DC voltage range, allowing compatibility with common industrial power supplies

• High total current capacity, supporting multiple loads from one module

• Solid-state output design, reducing mechanical wear and maintenance

• Electrical isolation, protecting the controller from field-side disturbances

• Stable and predictable switching behavior, ensuring reliable machine operation

• Seamless SLC 500 integration, simplifying configuration and system expansion

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