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1771-IB

1771-IB Allen-Bradley PLC 5 DC Input Module 8 Ch 1771-WN

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  • Manufacturer: Allen-Bradley

  • Product No.: 1771-IB

  • Product Type: Digital DC Input Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 450g

  • Shipping port: Xiamen

  • Warranty: 12 months

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1771-IB Allen-Bradley PLC 5 Digital DC Input Module – 8 Channels

The Allen-Bradley 1771-IB is a PLC 5 digital DC input module with 8 input channels. Operates with a 10-27V DC range and 10-60V DC sink voltage category. Weight is approximately 0.45 kg.

Product Information

Manufacturer Rockwell Automation
Brand Allen-Bradley
Part Number 1771-IB
Module Type Digital DC Input Module
Number of Inputs 8
Voltage Category 10-60V DC Sink (Source Load)
DC Operating Voltage 10-27V DC
Wiring Arm 1771-WN
Dimensions 89 x 165 x 51 mm
Weight Approx. 0.45 kg

Input Specifications

Nominal Current at 12V DC 8 mA
Nominal Current at 24V DC 24 mA
Max DC Off-State Current 3.0 mA
Typical Signal Delay (On) 12 ms (±7 ms)
Typical Signal Delay (Off) 20 ms (±7 ms)

Power and Status Specifications

Backplane Current 74 mA
Max Power Dissipation 5.7 W
Thermal Dissipation 19.3 BTU/hr
Status Indicators 8 Red LEDs (Front Panel)
Isolation Opto-Electrical
Input Filtering Yes (Reduces Electrical Noise)

Features

  • 8 digital DC input channels
  • 10-27V DC operating voltage range
  • 10-60V DC sink (source load) voltage category
  • Opto-electrical isolation for transient protection
  • Input filtering to reduce electrical noise
  • 8 red status indicators on front panel
  • 1771-WN wiring arm for module replacement without rewiring
  • Supports ½, 1, and 2-slot I/O addressing
  • Compatible with dry-contact switches, selector switches, and pushbuttons

Applications

  • PLC 5 control systems
  • Dry-contact switch inputs
  • Electro-mechanical transmitter monitoring
  • Panel-switching devices
  • Industrial automation

FAQs

Q1: How many inputs does the 1771-IB provide?
A1: 8 digital DC input channels.

Q2: What is the operating voltage and signal delay?
A2: 10-27V DC operating range with 12 ms (±7 ms) on delay and 20 ms (±7 ms) off delay.

Q3: What wiring arm and backplane current are required?
A3: 1771-WN wiring arm with 74 mA backplane current.

Product Resources

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🏷️ Tags: Digital DC Input Module
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