The FUJI NP1AXH4-PT is a precision analog input module for the FUJI Electric MICREX-SPX series programmable logic controllers. This module accepts 4 channels of thermocouple or millivolt input signals for temperature measurement applications. It supports eight different thermocouple types including K, J, E, T, S, R, B, and N . Additionally, the module achieves 16-bit resolution with ±0.1% accuracy for reliable temperature readings . The FUJI NP1AXH4-PT provides cold junction compensation (CJC) for accurate thermocouple measurements .
Versatile Input Configuration
This analog input module offers flexible configuration to match various sensor types . The FUJI NP1AXH4-PT handles millivolt signals ranging from -10mV to +80mV with high precision . It also supports voltage inputs up to ±100mV for direct connection to thermocouple sensors . Moreover, the module includes a built-in linearization function for each supported thermocouple type . This feature eliminates the need for external signal conditioning devices .
Advanced Diagnostics and Accuracy
The FUJI NP1AXH4-PT incorporates comprehensive self-diagnostics for reliable operation in harsh environments . Its diagnostic functions detect sensor burnout, short circuits, and out-of-range signals . The module compensates for ambient temperature variations using on-board CJC circuitry . Additionally, it provides configurable digital filtering to minimize the impact of electrical noise . The module’s accuracy remains consistent across its entire operating temperature range .
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | FUJI Electric |
| Model | FUJI NP1AXH4-PT |
| Product Type | Analog Input Module (Thermocouple/mV) |
| Series | MICREX-SPX |
| Number of Channels | 4 isolated analog inputs |
| Input Types | Thermocouple (K, J, E, T, S, R, B, N) and mV (-10mV to +80mV) |
| Resolution | 16 bits |
| Accuracy | ±0.1% of full scale |
| Cold Junction Compensation | Built-in, automatic |
| Linearization | Built-in for all supported thermocouple types |
| Diagnostics | Sensor burnout, short circuit, out-of-range detection |
| Data Update Time | 50 ms per channel |
| Power Consumption | 5 W |
| Dimensions (W x H x D) | 90 x 70 x 50 mm |
| Weight | Approximately 0.3 kg |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | –25 °C to +70 °C |
| Mounting | DIN Rail |
System Integration and Wiring
This input module integrates seamlessly with the MICREX-SPX series CPU and I/O system . The FUJI NP1AXH4-PT connects to thermocouple sensors through a dedicated terminal block . Its screw-type terminals provide secure and reliable field wiring connections . Furthermore, the module uses standard shielded cables to minimize electrical interference .
Applications and Industries
The FUJI NP1AXH4-PT serves industrial applications that require precise temperature monitoring . It commonly appears in furnace control, plastics molding, and chemical processing systems . The module also supports heat treatment facilities and HVAC monitoring installations . Its robust design ensures reliable operation in demanding manufacturing environments .
Details
| Weight | 0.7 kg |
|---|---|
| Dimensions | 2.5 × 20.3 × 15.2 mm |
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