Introduction

The Allen Bradley 1746-OB32 Digital DC Output Module is a high-capacity solution for industrial digital control applications. With 32 channels, it enables precise and reliable on/off switching of relays, solenoids, and indicator devices in SLC 500 systems. Its compact form factor, robust construction, and seamless integration with SLC 500 CPUs ensure dependable operation in demanding industrial environments. The OB32 module also features diagnostic capabilities and easy maintenance, making it an essential module for large-scale automation and process control systems.

Technical Specifications

Parameter	Specification
Module Type	Digital DC Output Module
Model Number	1746-OB32
Dimensions (L×W×H)	144.5 × 34.6 × 130.18 mm
Weight	0.23 kg / 0.51 lb
Functionality	Provides 32 digital DC outputs for SLC 500 systems
Channels	32 digital output channels
Output Type	DC
Mounting	Allen Bradley SLC 500 Rack
Operating Temperature	0°C to 55 °C
Storage Temperature	-20°C to 70 °C
Compatibility	Allen Bradley SLC 500 Controllers & I/O modules

Applications

The Allen Bradley 1746-OB32 Digital DC Output Module is designed to provide reliable digital output for controlling multiple DC devices in industrial automation systems. It is widely used in manufacturing, process control, and utility applications where fast and precise switching of relays, solenoids, and indicators is required. Its high channel count makes it ideal for larger SLC 500 control systems requiring consolidated output control.

Advantages

High Channel Density: 32 digital output channels reduce the need for multiple modules.
Compact Industrial Design: 144.5 × 34.6 × 130.18 mm and 0.23 kg / 0.51 lb, optimized for SLC 500 racks.
Fast and Reliable Switching: Provides precise on/off control for multiple devices simultaneously.
Seamless Integration: Fully compatible with Allen Bradley SLC 500 CPUs and I/O modules.
Easy Maintenance: Terminal-based wiring simplifies installation, inspection, and replacement.

Technical FAQs

What is the main function of the 1746-OB32?
Provides 32 channels of DC digital output for controlling devices in SLC 500 systems.
Can it handle multiple devices at the same time?
Yes, all 32 channels can switch relays, solenoids, or indicator lights independently.
Is it suitable for industrial environments?
Yes, it is designed to withstand vibration, electrical noise, and temperature fluctuations.
What is the typical DC output voltage?
Compatible with standard 24V DC industrial control circuits.
Does it support diagnostics?
Yes, it provides channel status monitoring and fault detection.
Is programming required?
Minimal configuration is needed through the SLC 500 CPU programming software.
Can it replace multiple smaller output modules?
Yes, its 32 channels consolidate many outputs into a single module.
What is the switching speed?
Designed for fast on/off operation suitable for industrial applications.
Is maintenance complicated?
No, the modular design allows easy replacement and quick inspection.
Can it be mounted in standard SLC 500 racks?
Yes, it is fully compatible with standard SLC 500 mounting configurations.