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Allen Bradley PLC-5 Analog Input Module 1771-IFF

Allen Bradley PLC-5 Analog Input Module

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ManufacturerAllen Bradley

Part number1771-IFF

Input Channels 8 Differential or 16 Single-Ended

Data Format Natural Binary or BCD Scaling to +/- 9999

Voltage Ranges 0-5V, 1-5V, -5-5V, -10-10V DC

Current Ranges 4-20mA, 0-20mA, -20-20mA, -40-40mA

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Veteran-owned

CAGE: 9NK75

8/16 Selectable Inputs Multiple Voltage/Current Ranges 12-bit Resolution Fast Channel Update Times PLC-5 Compatibility

Product description

The Allen-Bradley 1771-IFF is a PLC-5 series analog input module designed to interface analog signals with PLC processors. It offers flexibility with 16 single-ended or 8 differential selectable inputs and supports various voltage ranges (0-5V, 1-5V, -5-5V, -10-10V) and current ranges (4-20mA, 0-20mA, -20-20mA, -40-40mA). The module provides 12-bit plus sign resolution and has channel update times of 5ms for 8 channels or 10ms for 16 channels.

This analog input module is widely used in manufacturing automation for real-time monitoring of processes like temperature, pressure, and flow. It is also suitable for process control in chemical, oil, and gas industries, as well as environmental monitoring applications requiring precise analog signal management.

Stanlo Automation, a veteran-owned distributor, offers the Allen-Bradley 1771-IFF. We provide reliable surplus industrial automation parts with competitive pricing and efficient shipping to meet your project deadlines.

Technical specifications

Input Channels	8 Differential or 16 Single-Ended
Data Format	Natural Binary or BCD Scaling to +/- 9999
Voltage Ranges	0-5V, 1-5V, -5-5V, -10-10V DC
Current Ranges	4-20mA, 0-20mA, -20-20mA, -40-40mA
Resolution	12 bits plus sign
Channel Update Time	5ms (8 channels), 10ms (16 channels)
Backplane Current Load	750mA

Common applications

Manufacturing Automation

Process Control

Chemical Industry

Oil & Gas

Environmental Monitoring

Data Acquisition

Compatible systems

Allen-Bradley PLC-5 Series Controllers

Also known as

1771-IFF Analog Input PLC-5 Analog Module Allen Bradley Analog I/O

Replaces / compatible with

The 1771-IFF is a component for Allen-Bradley PLC-5 systems. It is a discontinued part, but its functionality is key for maintaining legacy systems.

Technical note

Expert tip

Ensure proper wiring and configuration of the input signals to match the selected voltage or current ranges for accurate readings.

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Frequently asked questions

What are the input ranges for the Allen-Bradley 1771-IFF analog input module?

The 1771-IFF module supports various voltage ranges including 0-5V, 1-5V, -5-5V, and -10-10V DC. It also accepts current ranges of 4-20mA, 0-20mA, -20-20mA, and -40-40mA.