Allen-Bradley 1771-NIS/C | PLC-5 High-Resolution Analog Input Module

Overview:

The Allen-Bradley 1771-NIS is a high-resolution analog input module designed for PLC-5 systems, featuring 8 isolated 4-20mA current inputs. This module provides loop power, making it ideal for industrial process control applications that require precise and stable current measurement.

With individual input isolation, the 1771-NIS ensures accurate data acquisition, eliminating interference and ground loops, making it a reliable choice for critical automation systems.

Key Features:

• 8 Isolated Analog Inputs – Ensures signal integrity and noise reduction
• Input Type: 4-20mA Current Signals – Compatible with standard industrial sensors
• Loop Power Supply – Eliminates the need for external power for loop-powered transmitters
• High-Resolution Data Acquisition – Provides accurate and stable input readings
• Designed for PLC-5 Systems – Seamless integration into Allen-Bradley automation setups
• Series C Model – Offers improved functionality and reliability

Technical Specifications:

• Model: 1771-NIS
• Series: C
• Number of Inputs: 8
• Input Type: 4-20mA Current Signals
• Isolation: Individually Isolated Inputs
• Loop Power Supply: Yes
• Mounting: PLC-5 Chassis-Based
• Certifications: UL, CE, RoHS

Applications:

• Industrial Process Control – Ensures accurate current measurement for automation systems
• Manufacturing & Production Lines – Supports real-time monitoring of process variables
• SCADA & Remote Monitoring – Enables stable communication with industrial control networks
• Energy & Utility Systems – Provides reliable signal acquisition for power plants and substations
• Chemical & Pharmaceutical Industries – Enhances automation precision in regulated environments

Why Choose the Allen-Bradley 1771-NIS?

The Allen-Bradley 1771-NIS analog input module delivers high-accuracy 4-20mA current measurement, integrated loop power supply, and robust input isolation, making it an essential component for industrial automation and process control applications.

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