Allen-Bradley 1771-NIS/C

Allen-Bradley 1771-NIS/C

Overview

The Allen-Bradley 1771-NIS/C is an 8-channel isolated analog input module for voltage input signals, designed for use with PLC-5 systems in a 1771 I/O chassis. Each channel is individually isolated to protect against signal interference and electrical faults, making this module ideal for precision measurement in demanding environments.

Key Features

• Input Type: Analog voltage (isolated per channel)

• Number of Channels: 8 single-ended inputs

• Input Range: ±10V DC

• Isolation: Channel-to-channel and channel-to-backplane

• Mounting: 1771 I/O chassis

• Series: C

• Status Indicators: Onboard channel fault/status LEDs

• Terminal Base Required: 1771-WH or equivalent

Technical Specifications

• Catalog Number: 1771-NIS/C

• Channels: 8 isolated voltage input channels

• Input Signal Range: ±10V DC

• Resolution: 12-bit

• Isolation Voltage: 1500V RMS channel-to-channel

• Conversion Time: 5 ms per channel

• Accuracy: ±0.1% of full scale

• Backplane Current: 600 mA @ 5V DC

• Operating Temp: 0°C to 60°C

• Certifications: UL, CE, CSA

• Compatible Systems: Allen-Bradley PLC-5, 1771 chassis

Applications

• High-precision voltage signal acquisition

• Industrial monitoring and control

• OEM machinery with analog sensors

• Systems requiring noise isolation and high reliability

• PLC-5-based legacy installations

Why Choose the 1771-NIS/C

• Individual Channel Isolation: Minimizes noise and crosstalk

• Wide Input Range: ±10V for versatile analog sensing

• High Accuracy: Ideal for precision analog measurement

• Rugged Design: Built for industrial environments

• Legacy Support: Seamlessly integrates with PLC-5 and 1771 systems

Order Now

The Allen-Bradley 1771-NIS/C isolated analog input module is available and ships worldwide.