Allen-Bradley 1746-NT4 For SLC 500 – Temperature Measurement

Allen-Bradley 1746-NT4 SLC 500 Thermocouple Input Module – Precision Temperature Measurement

Product Overview

The 1746-NT4 is a versatile temperature input module. It works with Allen-Bradley SLC 500 systems. This module reads thermocouple and millivolt signals. It offers four isolated channels for accurate measurements. Perfect for industrial temperature monitoring applications.

Detailed Technical Specifications

• Brand: Allen-Bradley
• Model: 1746-NT4
• Series: SLC 500
• Input Type: Thermocouple/mV
• Channels: 4 isolated inputs
• Resolution: 16-bit input, 14-bit output
• Update Time: 26ms to 1.2s
• Backplane Current: 60mA @ 5V, 55mA @ 24V
• Power Consumption: 0.8W maximum
• Operating Temperature: 0-60°C
• Storage Temperature: -40 to 85°C
• Filter Frequencies: 10, 50, 60, 250 Hz
• Wire Size: 14 AWG maximum

Professional FAQs

• What thermocouple types does this module support?
  It supports types J, K, T, E, R, S, B, and N thermocouples.
• How does cold junction compensation work?
  The module has two built-in CJC sensors for accurate temperature readings.
• What happens if my thermocouple wire breaks?
  You can configure the module to show zero, upscale, or downscale values.
• Can I use regular wire for thermocouple connections?
  No. Always use proper shielded twisted thermocouple extension wire.
• How often does the module update readings?
  Update time varies from 26 milliseconds to 1.2 seconds based on configuration.