Product Description:

The Allen-Bradley 1771-OAD is a digital output module designed for use in PLC-5 programmable logic controller systems. This module provides 16 discrete outputs that switch 120V AC loads. Each output is rated for 2A, with a maximum total module current of 8A. It is compatible with several PLC-5 chassis, including the 1771-A1B through -A4B and the 1771-AM1 and -AM2. It uses the standard 1771-WH wiring arm, with an optional fused wiring arm (1771-WHF) available.

Key Features:

• PLC-5 Compatibility: Designed for use in PLC-5 chassis and systems.
• 16 Outputs: Provides 16 individual output channels.
• 120V AC Output: Switches 120V AC loads.
• 2A Output Current per Point: Each output can handle up to 2 Amps.
• 8A Maximum Module Current: The total current drawn by all outputs combined should not exceed 8 Amps. This is important for power supply considerations.
• Standard and Optional Wiring Arms: Compatible with the standard 1771-WH wiring arm and the optional fused 1771-WHF wiring arm for added protection.¹
• Wide Chassis Compatibility: Compatible with a range of PLC-5 chassis.

Technical Specifications:

• Product Type: Digital Output Module
• Catalog Number: 1771-OAD
• Series: 1771 (PLC-5)
• Number of Outputs: 16
• Output Voltage: 120V AC
• Output Current per Point: 2 A
• Maximum Module Current: 8 A
• Wiring Arm: 1771-WH (Standard), 1771-WHF (Optional, Fused)
• Compatible Chassis: 1771-A1B through -A4B or later I/O chassis, 1771-AM1, -AM2 chassis

Applications:

• Controlling AC motors (with appropriate starters/contactors)
• Switching lights, solenoids, and other AC loads
• General-purpose discrete output applications in PLC-5 systems

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