Allen Bradley AB Selectable Contact Output Module 1771-OW /A

Allen-Bradley 1771-OW Selectable Contact Output Module

The Allen-Bradley 1771-OW is a selectable contact output module designed for use within the PLC-5 system, offering versatile control capabilities for industrial automation applications.

Key Features

• Configurable Outputs: Equipped with eight relay contact outputs, organized into four isolated groups of two channels each. Each output can be configured as either Normally Open (N.O.) or Normally Closed (N.C.), providing flexibility to meet specific control requirements.
• Wide Voltage Range: Supports operating voltages from 24 to 138 V AC RMS and 24 to 125 V DC, accommodating various industrial power standards.
• Current Handling: Each channel can handle a continuous current of up to 1.0 A, suitable for controlling a range of devices.
• Electrical Isolation: Each output is electrically isolated from the logic circuitry, enhancing system reliability and safety.
• LED Indicators: Features LED indicators for each output channel, providing clear visual status updates.

Technical Specifications

• Output Voltage: 24 to 138 V AC RMS; 24 to 125 V DC
• Continuous Current per Output: 1.0 A
• Minimum Contact Load: 10 mA at 24 V AC/DC
• Power Dissipation: 3.3 to 3.7 W
• Thermal Dissipation: 11.3 to 12.7 BTU/hr
• Backplane Current: Up to 700 mA (with all relays energized)
• Signal Delay: 45 ms (AC), 50 ms (DC) turn-off
• Compatible Chassis: 1771 I/O chassis
• Field Wiring Arm: Cat. No. 1771-WD

Installation and Configuration

The 1771-OW module is designed for easy integration into existing control systems. It utilizes the 1771-WD field wiring arm for straightforward wiring connections. The module’s outputs are jumper-selectable, allowing users to configure each channel as N.O. or N.C. based on application needs. Proper keying ensures correct module placement within the I/O chassis, enhancing system integrity.

Applications

Ideal for industrial automation and process control environments, the 1771-OW module is suitable for applications requiring reliable and flexible relay output configurations. Its robust design and configurable outputs make it a valuable component in complex control systems.