Allen Bradley 1771-OMD/B Digital DC Output Module

Product Introduction

The Allen-Bradley 1771-OMD/B Digital DC Output Module is a 16-point output module designed to provide reliable DC switching for industrial PLC applications. It is capable of driving field devices at higher voltage levels up to 220 V AC, supporting pilot-duty loads and discrete control of relays, solenoids, indicators, and other DC actuators.

This module is engineered for rack-mounted installation within 1771 I/O systems, delivering consistent and robust operation in industrial environments. Its design ensures channel-to-backplane isolation, overcurrent protection, and safe switching of pilot-duty loads, making it suitable for process automation, machinery control, and other critical industrial applications.

Product Specifications

Product Applications

• Switching pilot-duty DC loads in industrial automation systems

• Controlling solenoids, relays, and small actuators in manufacturing and process control

• Driving indicator lights, alarms, and low-power devices in control panels

• Digital output interface for PLC-controlled machinery and sequential processes

• Rack-mounted I/O configurations requiring reliable high-voltage discrete outputs

• Applications where channel isolation and protection are critical to system integrity

• Continuous operation in harsh industrial environments with electrical noise

Product Advantages

• High Channel Density: 16 discrete output points reduce the number of modules required.

• Pilot-Duty Capability: Can switch high-voltage devices up to 220 V AC safely.

• Built-in Protection: Overcurrent and short-circuit protection for each channel safeguards module and field devices.

• Rack-Mountable Design: Standard 1771 form factor enables easy integration into existing PLC racks.

• Reliable Operation: Designed for continuous industrial use with stable switching performance.

• Channel Isolation: Protects PLC backplane and prevents cross-channel interference.

• Versatile Application: Supports relays, solenoids, indicators, and other discrete field devices.

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