产品介绍
The Allen-Bradley 1746-NT4 is a thermocouple and millivolt analog input module designed for the SLC 500 control platform. It provides reliable temperature and low-level voltage signal acquisition for industrial monitoring and control applications where accuracy and signal stability are essential.
This module supports four independent input channels, allowing direct connection / thermocouples or low-level millivolt sources without the need for external signal conditioning. By integrating cold junction compensation and signal linearization within the module, the 1746-NT4 simplifies system architecture and improves overall measurement consistency.
Engineered for industrial environments, the 1746-NT4 /fers robust noise imm件y and stable performance in electrically harsh conditions. Its seamless integration with SLC 500 processors makes it a practical solution for legacy systems and existing installations that require dependable temperature or mV signal measurement without redesigning the control system.
产品规格
| Parameter | 描述 |
|---|---|
| Module Type | Thermocouple / Millivolt Analog Input Module |
| Series | SLC 500 |
| Number / Input Channels | 4 points |
| Input Signal Types | Thermocouple signals and low-level millivolt signals |
| Millivolt Input Range | ±50 mV or ±100 mV |
| Resolution | High-resolution analog-to-digital conversion for temperature measurement |
| Cold Junction Compensation | Internal, automatic |
| Input Isolation | Channel-to-backplane isolation |
| Noise Rejection | Designed for industrial electrical noise environments |
| Data Format | Digital values readable by SLC 500 processor |
| Backplane Current Consumption | Optimized for SLC 500 chassis |
| Module Location | Any valid I/O slot in SLC 500 chassis |
| Operating Mode | Continuous analog signal acquisition |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| 重量 | 0.45 kg |
Applications
• Industrial temperature monitoring, acquiring thermocouple signals from heaters, furnaces, and thermal processes
• Process control systems, providing accurate temperature feedback for closed-loop control
• Manufacturing equipment, monitoring thermal conditions in machinery and production lines
• Energy and utility installations, collecting temperature data from electrical and mechanical assets
• Laboratory and test systems, measuring low-level millivolt signals with high stability
• Legacy SLC 500 systems, expanding analog input capability without controller replacement
Advantages
• Direct thermocouple connectivity, eliminating the need for external signal conditioners
• Integrated cold junction compensation, improving temperature measurement accuracy
• 支持 for millivolt inputs, enabling flexible use beyond temperature sensing
• Four-channel density, allowing multiple measurements in a single module
• Robust industrial design, suitable for electrically noisy environments
• Seamless SLC 500 integration, ensuring compatibility with existing control architectures
• Stable and repeatable measurements, supporting reliable long-term process control
公司信息
E-mail: [email protected]
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