Allen-Bradley 1771-OBD DC Output Module

Description:

The Allen-Bradley 1771-OBD DC Output Module is used in PLC-5 and 1771 I/O control systems to provide high-density DC output control for industrial automation applications. Commonly installed in manufacturing equipment, conveyor systems, packaging machinery, material handling equipment, and process control systems requiring reliable 10-60 VDC field device switching. Maintenance teams and system integrators use this module for system expansion, replacement, retrofit projects, and continued support of legacy Allen-Bradley PLC platforms.

Applications:

The Allen-Bradley 1771-OBD DC Output Module is commonly used for controlling DC solenoid valves, relay coils, pilot lights, contactors, alarms, and other DC-operated field devices in industrial automation systems, packaging equipment, conveyor controls, assembly machinery, and process manufacturing facilities where high-density DC output capability is required.

Technical Specifications:

• Manufacturer: Allen-Bradley
• Part Number: 1771-OBD
• Product Type: DC Output Module
• Series: 1771 PLC I/O
• Number of Outputs: 16 Digital Outputs
• Output Voltage Range: 10-60 VDC
• Nominal Output Voltage: 48 VDC
• Output Type: Current Sourcing DC Output
• Output Current Rating: 2 A per Output
• Maximum Module Current: 8 A per Module
• Surge Current Rating: 4 A per Output for 10 ms
• Backplane Current Draw: 400 mA at 5 VDC
• Compatible Chassis: 1771 I/O Chassis
• Wiring Arm Compatibility: 1771-WH, 1771-WHF, 1771-WHFB
• Mounting Style: Chassis Mounted
• Application Environment: Industrial Automation and PLC Control Systems
• Status Indicators: Active, Output Status, and Fuse LEDs

Common Replacements:

• Allen-Bradley 1771-OBN
• Allen-Bradley 1771-OBDK
• Allen-Bradley 1756-OB32E