Allen Bradley Isolated Output Module 1771-OD /C

The Allen-Bradley 1771-OD/C is a 6-point isolated AC output module designed for use within the 1771 I/O chassis, providing reliable control over AC-powered devices in industrial automation systems.

Key Features

• Output Channels: 6 individually isolated outputs
• Voltage Range: 92 to 138V AC at 47–63 Hz
• Current Rating: Up to 2 A per output, with a maximum of 6 A per module
• Surge Current: 20 A per output for 100 milliseconds, repeatable every 5 seconds
• Minimum Load Current: 60 mA per output
• On-State Voltage Drop: 2V AC maximum at 100 mA
• Off-State Leakage Current: 5 mA maximum per output at 138V AC
• Power Dissipation: 1.2 to 13.2 Watts
• Thermal Dissipation: 4.1 to 45.2 BTU/hr
• Backplane Current: 225 mA
• Isolation Voltage: 1000V channel-to-channel; 1500V to backplane
• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Relative Humidity: 5% to 95% (non-condensing)
• Field Wiring Arm: Compatible with 1771-WD

Applications

The 1771-OD/C module is ideal for controlling AC-powered devices such as solenoids, relays, and indicator lamps in various industrial automation applications. Its isolated outputs ensure minimal interference between channels, enhancing system reliability.

Installation and Compatibility

This module is designed for easy integration into existing Allen-Bradley PLC-5 systems, fitting seamlessly into the 1771 I/O chassis. It requires the 1771-WD field wiring arm for proper connection and operation.

Reliability and Performance

Engineered to withstand demanding industrial environments, the 1771-OD/C offers robust performance with features like high surge current capacity and stringent isolation standards, ensuring dependable operation in critical control applications.