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1771-IA2 Digital Input Module | Allen-Bradley

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About the Product

Allen-Bradley 1771-IA2 Digital Input Module for PLC 5 Systems

Technical Specifications

Model: 1771-IA2

Type: Digital Input Module

Voltage Rating: 120 Volts AC/DC

Operating Voltage Range: 87-138 V AC / 97-138 V DC

Inputs: 8 digital inputs

Max Off-State Current: 2.8 mA (AC/DC)

Typical Signal Delay (On): 24 ms (±10) AC, 10 ms (±4) DC

Typical Signal Delay (Off): 24 ms (±10) AC, 20 ms (±9) DC

Backplane Current Load: 75 mA

Power Dissipation: 10.7 Watts

Thermal Dissipation: 36.5 BTU/hr

Dimensions: 3.5 x 6.5 x 2.0 inches (89 x 165 x 51 mm)

Weight:0.8kg

Wiring Arm: 1771-WA (enables wiring replacement without disconnect)

Compatibility

Compatible with Allen-Bradley PLC 5 series

Designed for AC/DC proximity switch inputs and on/off devices

Supports optoelectrical isolation for circuit protection

Input filtering reduces electrical noise for stable signals

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