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1771-IAD

Allen-Bradley PLC-5 16 Point Input Module 120V 1771-IAD

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  • Manufacturer: Allen-Bradley

  • Product No.: 1771-IAD

  • Product Type: Input Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 1080g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Allen-Bradley 1771-IAD PLC-5 Digital Input Module

Product Overview

The Allen-Bradley 1771-IAD is a 16-point digital AC/DC input module for the PLC-5 system. It accepts 120V AC/DC signals with an operating voltage range of 79-138V AC/DC [citation:1][citation:8]. The module is designed for use with 1771-A1B, A2B, A3B, A3B1, A4B, AM1, and AM2 chassis and requires a 1771-WH wiring arm. Note: Rockwell Automation discontinued this module on March 10, 2020 [citation:1]. Weight is 1.08 kg (2.38 lbs).

Specifications

Parameter Value
Brand Allen-Bradley / Rockwell Automation
Model 1771-IAD
Series PLC-5
Module Type Digital AC/DC Input Module
Number of Inputs 16
Voltage Category 120V AC/DC
AC Operating Voltage 79-138 VAC
DC Operating Voltage 79-138 VDC
Backplane Current 195 mA
Max AC Off-State Current 2.8 mA
AC Signal Delay ON 5 ms (±3)
AC Signal Delay OFF 25 ms (±5)
DC Signal Delay ON 3 ms (±0.1) or 10 ms (±1)
DC Signal Delay OFF 25 ms (±5)
Wiring Arm 1771-WH
Module Location 1771-A1B, A2B, A3B, A3B1, A4B, AM1, AM2 Chassis
Weight 1.08 kg (2.38 lbs)
GTIN 10662468177624

Lifecycle Status

Discontinued: Rockwell Automation discontinued the 1771-IAD on March 10, 2020. It is no longer available for sale from the manufacturer. The replacement category is listed as Engineering Replacement [citation:1].

Key Features

  • 16 digital input channels rated at 120V AC/DC
  • Wide operating voltage range: 79-138V AC or DC [citation:1][citation:8]
  • Fast AC signal response with 5 ms ON delay and 25 ms OFF delay
  • DC signal delay options of 3 ms or 10 ms ON, with 25 ms OFF
  • Requires 1771-WH field wiring arm for connection
  • Compatible with 1771-A1B, A2B, A3B, A3B1, A4B, AM1, and AM2 chassis
  • 195 mA backplane current draw

Installation Notes

Install the module in any I/O slot of the compatible 1771 chassis, excluding the extreme left slot which is reserved for processors or adapters [citation:4]. Connect field wiring using the 1771-WH wiring arm, which allows module replacement without disconnecting field wires. Remove power from the backplane and wiring arm before installing or removing the module [citation:4]. Key the backplane connector according to the module requirements before insertion. For conversion to newer platforms, Rockwell provides field wire conversion modules such as 1492-CM1771-LD001 for migration to 1756-IA16 [citation:15].

FAQs

Q1: Is the 1771-IAD still available from Rockwell Automation?

A1: No. The module was discontinued on March 10, 2020, and is no longer available for sale from the manufacturer [citation:1].

Q2: How many inputs does the 1771-IAD have?

A2: 16 digital input channels.

Q3: What is the difference between the 1771-IAD and 1771-IA2?

A3: The 1771-IAD has 16 inputs with a 79-138V AC/DC range, while the 1771-IA2 has 8 inputs with an 87-138V AC / 97-138V DC range [citation:7][citation:15].

Product Resources

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🏷️ Tags: Input Module
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