Description

The Allen-Bradley 1746-OB16E is a high-performance isolated sourcing DC output module designed for the SLC 500 programmable logic controller system. This module provides reliable digital output control for industrial automation applications, featuring 8 points of isolated sourcing output. It is engineered to operate within a voltage range of 10-30 VDC, making it suitable for various field device interfaces requiring isolated switching.

Features

• 8-point isolated sourcing DC output configuration.
• Designed specifically for integration with the Allen-Bradley SLC 500 chassis.
• Operating voltage range: 10-30 VDC.
• Robust industrial design for reliable performance in demanding environments.
• Compatible with standard SLC 500 I/O rack mounting.

Applications

This module is typically utilized in manufacturing and process control environments where isolated DC output switching is required to drive actuators, relays, or solenoid valves. It is commonly found in packaging machinery, assembly lines, and material handling systems that rely on the SLC 500 platform.

Technical Specifications

Installation Guidelines

• Ensure the SLC 500 system power is disconnected before installing or removing the module from the chassis.
• Verify that the module is fully seated in the backplane slot and secured with the top and bottom retaining screws.
• Use appropriate shielded cabling for output connections to minimize electromagnetic interference (EMI).
• Ensure proper grounding of the chassis to a common earth ground to maintain signal integrity and safety.
• Check that field wiring polarity matches the module terminal designations to prevent damage to the output circuitry.

FAQ

What is the primary function of the 1746-OB16E?

The 1746-OB16E is an isolated sourcing DC output module for the SLC 500 system, used to control external DC-powered devices by switching them on or off based on PLC logic.

Is this module compatible with all SLC 500 chassis?

Yes, the 1746-OB16E is designed to fit into any standard SLC 500 I/O chassis slot.

What does the term "isolated" mean for this module?

Isolation refers to the electrical separation between the output channels and the backplane circuitry, which helps protect the PLC from voltage spikes or ground loops originating from the field devices.