Allen-Bradley 1746-NT4 Thermocouple/mV Analog Input Module

Product Overview

The Allen-Bradley 1746-NT4 is a thermocouple/mV analog input module. It fits the SLC 500 chassis. This module has 4 isolated input channels. It works with 8 thermocouple types. These include J, K, T, E, S, R, B, and N. It also reads milivolt signals. The range is +/-50 mV and +/-100 mV. This module uses sigma-delta conversion. It offers 16-bit resolution. The update time ranges from 26 ms to 1.2 seconds. This module powers from the backplane. It consumes 0.8W maximum. The step response is 60 ms in and 2.5 ms out. It is a reliable choice for temperature measurement.

Application Scenarios

This module works well in many industrial settings. Use it for process control. It monitors furnace temperatures. It tracks oven heat profiles. It measures chemical reaction temps. It works in plastic molding machines. It monitors engine exhaust gases. It is great for HVAC systems. The module fits any slot except Slot 0. It handles harsh environments. The operating range is 0 to 60 Celsius. Store it from -40 to 85 Celsius. It is ideal for factory automation.

Technical Specifications

This module has 4 inputs. It is a thermocouple/mV analog input type. The backplane current is 60 mA at 5V. It draws 55 mA at 24V. It supports sensors J, K, T, E, S, R, B, and N. The update time is 26 ms to 1.2 seconds. It reads +/-50 mV and +/-100 mV signals. The resolution is 16 bits in and 14 bits out. The backplane power is 0.8W maximum. The step response is 60 ms in and 2.5 ms out. It has 4 backplane isolated channels. It offers open circuit detection. Options are zero, upscale, or downscale. It uses sigma-delta modulation. The UPC is 10662468165911.

Installation & Maintenance Guide

Install the 1746-NT4 in any chassis slot except Slot 0. Ensure the backplane power is off. Insert the module firmly. Secure it with the mounting screws. Connect thermocouple wires to the terminal block. Use the correct wire type. Check polarity carefully. Set the open circuit detection mode. Use the configuration software. Set the sensor type for each channel. Calibrate the module as needed. Clean the module with a dry cloth. Do not use solvents. Check connections regularly. Replace damaged wires. Store the module in a dry place.

Packing List

Each package includes one 1746-NT4 module. It comes with a printed manual. It includes a warranty card. It has a terminal block. It includes mounting screws. It comes in a static-safe bag. The package is ready for shipping. We ship via FedEx, UPS, or DHL. You get fast and reliable delivery.