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Allen-Bradley 1771-IG 8-point 24V DC digital input module, isolated, for PLC-5 1771 chassis

Allen-Bradley 1771-IG

SKU: 1771-IG
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Allen-Bradley 1771-IG

Overview

The Allen-Bradley 1771-IG is an 8-point isolated digital input module designed for use in PLC-5 systems with the 1771 I/O chassis. It accepts 24V DC sinking (current sourcing) inputs, offering isolation per point, which ensures electrical separation between field devices and backplane circuitry. This module is ideal for industrial applications requiring precise and reliable digital signal monitoring.

Key Features

  • Input Points: 8 isolated inputs

  • Voltage Rating: 24V DC nominal

  • Input Type: Sinking (accepts sourcing input devices)

  • Isolation: Point-to-point and from backplane

  • Chassis Compatibility: Allen-Bradley 1771

  • Mounting: Chassis-based module

  • Field Wiring: Removable terminal block (RTB) required

  • LED Indicators: Status for each input channel

Technical Specifications

  • Catalog Number: 1771-IG

  • Input Voltage Range: 15–30V DC

  • Nominal Voltage: 24V DC

  • Current per Input: Typically 8 mA

  • Signal Delay (on/off): ~10 ms

  • Backplane Current Draw: Approx. 120 mA at 5V DC

  • Operating Temperature: 0°C to 60°C

  • Certifications: UL, CSA, CE

  • Compatible PLCs: PLC-5 series processors with 1771 chassis

Applications

  • Machine status monitoring

  • Switch and push-button interfaces

  • Industrial signal acquisition

  • Discrete input integration for PLC-5 systems

  • Systems requiring isolated DC digital inputs

Why Choose the 1771-IG

  • Electrical Isolation: Prevents cross-channel interference

  • Compact Design: Fits standard 1771 chassis

  • Reliable Performance: Designed for harsh industrial conditions

  • Direct Integration: Seamless with legacy PLC-5 control systems

  • Clear Diagnostics: LED indicators for easy troubleshooting

Order Now

The Allen-Bradley 1771-IG digital input module is available and ships worldwide.

 

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Allen-Bradley 1771-IG

Overview

The Allen-Bradley 1771-IG is an 8-point isolated digital input module designed for use in PLC-5 systems with the 1771 I/O chassis. It accepts 24V DC sinking (current sourcing) inputs, offering isolation per point, which ensures electrical separation between field devices and backplane circuitry. This module is ideal for industrial applications requiring precise and reliable digital signal monitoring.

Key Features

  • Input Points: 8 isolated inputs

  • Voltage Rating: 24V DC nominal

  • Input Type: Sinking (accepts sourcing input devices)

  • Isolation: Point-to-point and from backplane

  • Chassis Compatibility: Allen-Bradley 1771

  • Mounting: Chassis-based module

  • Field Wiring: Removable terminal block (RTB) required

  • LED Indicators: Status for each input channel

Technical Specifications

  • Catalog Number: 1771-IG

  • Input Voltage Range: 15–30V DC

  • Nominal Voltage: 24V DC

  • Current per Input: Typically 8 mA

  • Signal Delay (on/off): ~10 ms

  • Backplane Current Draw: Approx. 120 mA at 5V DC

  • Operating Temperature: 0°C to 60°C

  • Certifications: UL, CSA, CE

  • Compatible PLCs: PLC-5 series processors with 1771 chassis

Applications

  • Machine status monitoring

  • Switch and push-button interfaces

  • Industrial signal acquisition

  • Discrete input integration for PLC-5 systems

  • Systems requiring isolated DC digital inputs

Why Choose the 1771-IG

  • Electrical Isolation: Prevents cross-channel interference

  • Compact Design: Fits standard 1771 chassis

  • Reliable Performance: Designed for harsh industrial conditions

  • Direct Integration: Seamless with legacy PLC-5 control systems

  • Clear Diagnostics: LED indicators for easy troubleshooting

Order Now

The Allen-Bradley 1771-IG digital input module is available and ships worldwide.

 

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Allen-Bradley 1771-IG

Allen-Bradley 1771-IG

$0.00
Add to wishlist
Allen-Bradley 1771-IG

Allen-Bradley 1771-IG

Your Price:
$0.00
Item Added to Your Cart
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