The Yokogawa NFAI143-H50 is a high-performance analog input module engineered for reliable and precise current signal acquisition within distributed control systems. Designed for use with Yokogawa’s STARDOM FCN autonomous controller platform, this module accepts 4 to 20 mA signals over 16 isolated channels. Its isolation ensures robust signal integrity, making it suitable for critical applications in process automation, manufacturing, and utility monitoring. With HART communication support, the NFAI143-H50 provides enhanced diagnostics and field device interaction.

Technical Specifications

Applications

The NFAI143-H50 module is widely used in:

• Oil & Gas production facilities

• Power generation and distribution systems

• Water and wastewater treatment plants

• Food and beverage manufacturing

• Chemical process automation

• Pharmaceutical batch control

• Industrial instrumentation and SCADA systems

Product Advantages

• High Isolation: Ensures safe operation and reduces electrical noise interference.

• 16 Isolated Channels: Each input channel is independently isolated for superior safety and signal fidelity.

• HART Support: Enables advanced field device communication and remote diagnostics.

• Fast Update Rates: 10 ms refresh cycle supports real-time monitoring.

• Durability and Stability: Low temperature drift ensures reliable measurements in fluctuating environments.

• Flexible Installation: Compatible with pressure clamp and MIL connectors for easy integration.

• Wide Compatibility: Seamlessly integrates with STARDOM FCN/FCJ systems.

• Compact Design: Saves panel space with its slim profile.

FAQ

Q1: What type of signal does the NFAI143-H50 accept?

A1: It accepts 4 to 20 mA analog current input signals.

Q2: Is HART communication supported?

A2: Yes, the NFAI143-H50 supports HART communication protocols.

Q3: How many channels are available on this module?

A3: There are 16 isolated input channels.

Q4: Is each input channel isolated?

A4: Yes, each of the 16 channels is electrically isolated from the system.

Q5: What is the refresh rate for data acquisition?

A5: The data refresh cycle is 10 milliseconds.

Q6: What kind of isolation voltage does the module support?

A6: It withstands 1500 V AC between input and system for 1 minute.

Q7: What connectors are available for external wiring?

A7: The module supports both pressure clamp terminals and MIL connector cables.

Q8: What are the module’s dimensions and weight?

A8: Dimensions are 130 x 107.5 x 32.8 mm and it weighs 0.3 kg.

Q9: Can the module be used with 2-wire and 4-wire transmitters?

A9: Yes, each channel can be configured individually for 2-wire or 4-wire transmitters.

Q10: Is this module suitable for hazardous environments?

A10: Yes, when used with appropriate explosion-proof options and barriers as required.