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The Allen-Bradley 1746-NT4 is a specialized thermocouple input module designed for the SLC 500 programmable logic controller system. This module provides four isolated input channels capable of interfacing with various thermocouple types, including B, E, J, K, N, R, S, and T, as well as millivolt signals in the 50 mV or 100 mV ranges. It serves as a critical component for precision temperature monitoring and analog data acquisition in industrial automation environments.
This module is widely utilized in industrial processes requiring accurate temperature feedback, such as heat treatment furnaces, chemical reactors, food processing equipment, and HVAC control systems. It is suitable for both new installations and as a replacement unit for existing SLC 500 architectures.
| Product Model | 1746-NT4 |
| Module Type | Thermocouple Input |
| Number of Channels | 4 |
| Supported Thermocouples | B, E, J, K, N, R, S, T |
| Input Ranges | 50 mV, 100 mV |
| System Compatibility | SLC 500 Series |
| Manufacturer | Allen-Bradley |
No, the 1746-NT4 has been discontinued by the manufacturer. We provide high-quality surplus or refurbished units to support legacy system maintenance.
The module supports types B, E, J, K, N, R, S, and T, making it highly versatile for various industrial temperature sensing applications.