ntroduction

The Allen Bradley 1746-OB32/D Digital DC Output Module is a robust solution for industrial digital control applications. With 32 channels, it provides precise and reliable on/off switching for relays, solenoids, and indicator devices. Its compact size and industrial-grade design ensure dependable operation in demanding environments. Fully compatible with SLC 500 CPUs and I/O modules, the OB32/D module simplifies system design, reduces wiring complexity, and enhances overall process reliability.

Technical Specifications

Parameter	Specification
Module Type	Digital DC Output Module
Model Number	1746-OB32/D
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/D Digital DC Output Module is engineered for high-capacity digital output in SLC 500 systems. It is widely used in industrial automation, process control, and manufacturing environments to operate relays, solenoids, indicator lights, and other DC-powered devices. Its 32-channel design allows for centralized and efficient control in complex systems.

Advantages

32 High-Density Channels: Reduces the need for multiple smaller output modules.
Compact Form Factor: 144.5 × 34.6 × 130.18 mm, weighing 0.23 kg / 0.51 lb, fits standard SLC 500 racks.
Fast and Precise Switching: Ensures accurate on/off control of multiple devices simultaneously.
Reliable Industrial Performance: Resists vibration, electrical noise, and temperature fluctuations.
Simplified Maintenance: Terminal-based wiring allows easy installation, inspection, and replacement.

Technical FAQs

What is the main function of the 1746-OB32/D?
Provides 32 channels of DC digital output for SLC 500 systems.
What voltage does it output?
DC voltage, typically compatible with 24V DC industrial circuits.
Can all 32 channels operate simultaneously?
Yes, each channel is independent and can drive separate devices.
Is it suitable for harsh industrial environments?
Yes, built to tolerate vibration, electrical noise, and temperature changes.
Does it provide diagnostics?
Yes, channel status and fault detection are supported.
Is programming required?
Minimal setup is required using SLC 500 CPU programming software.
Can it replace multiple smaller DC output modules?
Yes, its 32-channel capacity allows consolidation into a single module.
What is the typical switching speed?
Designed for rapid on/off operation suitable for industrial applications.
Is maintenance difficult?
No, modular design ensures easy inspection and replacement.
Is it compatible with standard SLC 500 racks?
Yes, fully compatible with all standard SLC 500 mounting configurations.