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Allen Bradley 1771-IFC PLC-2 PLC-3 Analog Input Module

Allen Bradley 1771-IFC 4-channel Analog Input Module.

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ManufacturerAllen Bradley

Part number1771-IFC

Number of Channels 4

Input Type Voltage, Current

Voltage Range +/-10V DC, 0-10V DC, 0-5V DC

Current Range 4-20mA, 0-20mA

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4 Analog Input Channels Voltage and Current Input Independent Channel Configuration 12-bit Resolution Isolation Protection Designed for PLC-2/PLC-3 Systems

Product description

The Allen Bradley 1771-IFC is a 4-channel analog input module for the PLC-2 and PLC-3 programmable logic controller systems. It accepts both voltage and current signals, offering flexibility for various sensor inputs such as temperature, pressure, and level transmitters. Each channel can be configured independently.

This module is designed for applications requiring analog signal acquisition in legacy automation systems. It is commonly found in process control, manufacturing, and machine monitoring applications where precise analog data is needed.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the 1771-IFC and other industrial automation components. We offer reliable, tested surplus parts to help you maintain and extend the life of your existing PLC systems.

Technical specifications

Number of Channels	4
Input Type	Voltage, Current
Voltage Range	+/-10V DC, 0-10V DC, 0-5V DC
Current Range	4-20mA, 0-20mA
Resolution	12-bit
Isolation Voltage	500V AC/DC
Backplane Current	75 mA @ 5.1V DC
Series	1771

Common applications

Process Control

Machine Monitoring

Data Acquisition

Temperature Sensing

Pressure Monitoring

Level Sensing

Flow Measurement

Compatible systems

Allen Bradley PLC-2 Allen Bradley PLC-3

Also known as

1771IFC Allen Bradley 1771 Analog Input PLC-2 Analog Module PLC-3 Analog Module

Replaces / compatible with

The 1771-IFC is a standard 4-channel analog input module for Allen Bradley PLC-2 and PLC-3 systems. It is used to replace failing modules of the same part number.

Technical note

Expert tip

Ensure that analog input signals are properly shielded and grounded when wiring to the 1771-IFC module to minimize noise and ensure accurate readings.

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Frequently asked questions

What input signal types does the Allen Bradley 1771-IFC analog input module support?

The 1771-IFC module supports both voltage and current inputs. It can be configured for various ranges including +/-10V DC, 0-10V DC, 0-5V DC, 4-20mA, and 0-20mA, providing flexibility for different sensor types.