Product Description:

The Allen-Bradley 1771-IAD is a digital input module designed for use in PLC-5 programmable logic controller systems.¹ This module provides 16 discrete input points that can accept either 120V AC or DC signals.² It has a wide operating voltage range of 79-138V AC and 79-138V DC.³ It uses the 1771-WH wiring arm for field wiring connections.

Key Features:

• PLC-5 Compatibility: Designed for use in PLC-5 chassis and systems.
• 16 Inputs: Provides 16 individual input channels.⁴
• 120V AC/DC Input: Accepts both 120V AC and DC input signals, providing flexibility for various sensor types.⁵
• Wide Operating Voltage Range (79-138V AC/DC): Offers tolerance for variations in input voltage.
• 1771-WH Wiring Arm: Uses the standard 1771-WH wiring arm for convenient field wiring connections.⁶

Technical Specifications:

• Product Type: Digital Input Module
• Catalog Number: 1771-IAD
• Series: 1771 (PLC-5)
• Number of Inputs: 16
• Input Voltage: 120V AC/DC
• Operating Voltage Range: 79-138V AC, 79-138V DC

Applications:

• Sensing the status of switches, pushbuttons, and other discrete input devices
• Interfacing with various sensors in PLC-5 control systems

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