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Allen-Bradley 1746-NT8: 8-Channel Thermocouple Module for Precision Industrial Temperature Sensing
Allen‑Bradley 1746‑NT8 Product Introduction
The Allen‑Bradley 1746‑NT8 is an 8‑channel thermocouple/millivolt (mV) analog input module belonging to the Allen‑Bradley SLC 500 series, engineered by Rockwell Automation. It is tailored for high‑precision temperature and low‑voltage signal measurement in industrial automation scenarios, facilitating seamless integration with SLC 500 chassis and processors to deliver reliable and accurate data acquisition.
Core Features of 1746‑NT8
Multi‑channel & Versatile Input: Equipped with 8 backplane‑isolated channels, it supports a wide range of thermocouple types (J, K, T, E, S, R, B, N) and mV input ranges (±50 mV, ±100 mV), accommodating diverse industrial sensing needs.
High Precision & Stability: Boasts 16‑bit resolution for precise signal conversion, and features integrated cold junction compensation (CJC) with two sensors offering ±1.72°C accuracy, ensuring consistent and accurate temperature readings.
Flexible Performance Tuning: Offers selectable input filter frequencies (10 Hz, 50 Hz, 60 Hz, 250 Hz) with corresponding cut‑off frequencies (2.6 Hz, 13.1 Hz, 15.72 Hz, 65.5 Hz) to minimize electrical noise, and update times ranging from 356 ms to 4.05 seconds to meet different application response requirements.
Intelligent Maintenance & Monitoring: Automatically calibrates at power‑up and approximately every two minutes thereafter. It is equipped with 9 green LEDs for real‑time channel and module status monitoring, simplifying troubleshooting.
Robust Protection & Isolation: Provides input over‑voltage protection (±30V DC continuous, 600W pulsed for 1 ms) and backplane isolation, along with excellent common and normal mode rejection (both >100 dB at 50/60 Hz) for stable operation in harsh industrial environments.
Technical Specifications of 1746‑NT8
Parameter
Details
Module Type
8‑Channel Thermocouple/mV Analog Input Module
Mounting
Rack‑mounted (1 slot width)
Calibration
Auto‑calibration at power‑up and every 2 minutes thereafter
Terminal Block
Uses 1746‑RT34 removable terminal block (RTB) for easy wiring and maintenance
Environmental Range
Operating temperature: 0°C to 60°C; Storage temperature: -40°C to 85°C; Relative humidity: 5% - 95% (non‑condensing)
Circuit Isolation
12.5V DC at 500V DC for 1 minute
Typical Applications
This module is widely applied in industries such as manufacturing, petrochemical, food and beverage, and power generation. It is ideal for temperature monitoring in industrial ovens, furnaces, and chemical reactors, as well as low‑voltage signal acquisition in process control loops, enabling precise control and optimization of industrial processes.
Compatibility
It is fully compatible with SLC 500 chassis and processors, and can be installed in any slot except Slot 0 (reserved for the processor or communication modules), offering flexible integration options for SLC 500‑based control systems.
FAQ
* Q: Do you provide a warranty for the goods? A: Yes, we provide a warranty for all the goods from us.
* Q: Could Wisdomlong provide technology support? A: We're in this field for more than 8 years. If there's any problem, please contact us, we'll provide a suggestion from our engineer to help you solve the problem.
* Q: Does Wisdomlong keep goods in stock or only trading? A: We have a large warehouse for goods. Keep lots of goods in the warehouse, so could promise a fast delivery.
* Q: What is your MOQ? A: We provide you small MOQ for each item, it depends on your specific order!
* Q: Do you test all your goods before delivery? A: Yes, we have a 100% test before delivery.
* Q: How do you make our business long-term and good relationship? A: We keep good quality and competitive price to ensure our customers benefit ;
We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
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Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
1000000-5000000
Employee Number:
100~120
Ecer Certification：
Active Member
Shenzhen Wisdomlong Technology CO.,LTD Mainly engaged in automation parts, PLCS,DCS,sensors, relays, dirves,encoder, servo drive,soft starter,touch screen,instrument,process control,electric transmission and factory automation aspects of the project design,software programming,technical service and ... Shenzhen Wisdomlong Technology CO.,LTD Mainly engaged in automation parts, PLCS,DCS,sensors, relays, dirves,encoder, servo drive,soft starter,touch screen,instrument,process control,electric transmission and factory automation aspects of the project design,software programming,technical service and ...
