Description

The Allen-Bradley 1771-IFM Fast Millivolt Input Module is designed for precise measurement of low-level differential signals. Ideal for applications requiring high accuracy in millivolt input range, this module provides a robust solution for industrial automation systems.

Key Specifications

• Product Type: Fast Millivolt Input Module

• Inputs per Module: 8 differential low-level inputs

• Module Location: 1771 I/O chassis, 1 slot

• Input Voltage Range: 0 to 50 mV

• Resolution: 12-bit binary

• Accuracy:

• 0.1% of range @ 25°C

• +1 LSB

• Repeatability: +1 LSB

• Isolation Voltage: 1500V (transient)

• Input Overvoltage Protection: 32V

• Input Impedance: 1 MΩ

• Maximum Input Voltage: +10V

• Common Mode Rejection: 100 dB DC to 60 Hz

• Backplane Current: 0.75 A @ +5V

Output and Processing

• BCD and Unscaled Binary Output to Processor:

• 0000 to 4095 for BCD (with selectable scaling)

• 32767 for Binary

Environmental and Additional Information

• Engineering Units Sent to Processor: BCD or Binary output depending on configuration