1746-NT4
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Ships from Stafford, TX
The Allen‑Bradley 1746‑NT4 Thermocouple/mV Input Module is a 4-channel thermocouple/millivolt analog input module for the SLC 500 programmable controller system. It accepts a variety of thermocouple types and low-level mV signals, converting them into digital values for the PLC’s logic table. This module is ideal for temperature measurement and process monitoring in industrial automation.
Technical Details
| Specification | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Line | SLC 500 I/O Modules |
| Model / Part No. | 1746-NT4 |
| Module Type | Thermocouple / mV Analog Input Module |
| Number of Channels | 4 isolated input channels |
| Supported Inputs | Thermocouple types J, K, T, E, R, S, B, N; ±50 mV; ±100 mV |
| A/D Resolution | 16-bit input, 14-bit output |
| Update Time | ~26 ms – 1.2 s per channel set |
| Backplane Current (5 V) | ~60 mA |
| Backplane Current (24 V) | ~55 mA |
| Power Consumption | ~0.8 W max |
| Conversion Method | Sigma-delta modulation |
| Operating Temperature | 0 °C – 60 °C |
| Storage Temperature | -40 °C – 85 °C |
| Isolation | Backplane isolated inputs |
| I/O Chassis Slot | Any slot except slot 0 |
| Typical Use | Temperature sensing & analog data acquisition in SLC 500 systems |
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1 Year Warranty ( Manufacturer warranty DO NOT apply )