1771-OA

Overview

The Rockwell 1771-OA is an Allen-Bradley AC Output Module with 8 outputs designed for 1771 I/O chassis applications.

Electrical Specifications

• Output Voltage Range: 92–138 V AC, 47–63 Hz

• Output Current: 1.5 A per output, max 6 A per module

• Surge Current: 4 A per output for 8.3 ms, repeatable every 1 s

• Minimum Load Current: 50 mA per output @ 120 V AC, 60 Hz

• On State Voltage Drop: 2 V at 100 mA

• Off State Leakage Current: 5 mA per output @ 120 V AC

Power and Isolation

• Power Dissipation: 10.7 W max, 1.1 W min

• Thermal Dissipation: 36.6 BTU/hr max, 3.4 BTU/hr min

• Adjacent Slot Power Dissipation: 15 W

• Backplane Current: 210 mA @ 5 V DC

• Opto-Electrical Isolation: Tested to 150 V AC RMS for 2 s

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