Yokogawa NFAI543-H50 16-Channel Isolated Analog Output Module

Description

The Yokogawa NFAI543-H50 is a 16-channel isolated analog output module designed for use in STARDOM and CENTUM VP control systems. It provides precise 4–20 mA current outputs with HART communication support, making it ideal for high-performance process control applications requiring reliable analog signal transmission.

Specifications

• Model Number: NFAI543-H50

• Output Channels: 16 isolated channels

• Output Signal: 4 to 20 mA DC

• Withstanding Voltage: 1500 V AC (1 min) between output and system

• Allowable Load Resistance: 0 to 750 Ω

• Circuit-Open Detection Threshold: ≤ 0.65 mA

• Accuracy: ±0.3% of full scale

• Data Refresh Cycle: 10 ms

• Output Step Response Time: 100 ms

• Output Fallback: Configurable per channel (HOLD or SETV)

• Temperature Drift: Max. ±0.01%/°C

• Power Consumption:

  • 230 mA @ 5 VDC

  • 540 mA @ 24 VDC

• External Connection: Pressure clamp terminal or MIL connector

• Weight: Approx. 0.4 kg

• Mounting: I/O slot of base module

• Suffix Codes:

  • H = With HART communication

  • 5 = No explosion protection

  • 0 = Basic type

Features

• High-Density Output: 16 isolated analog outputs in a compact module

• HART Communication: Enables smart device integration and diagnostics

• Fast Response: 10 ms refresh and 100 ms step response for real-time control

• Flexible Fallback Settings: Per-channel HOLD or SETV configuration

• Robust Isolation: 1500 V AC withstand enhances system safety

• Compact & Lightweight: Easy to install in tight control cabinet spaces

• Wide Compatibility: Integrates with STARDOM FCN/FCJ and CENTUM VP systems

• Industrial Durability: Operates reliably in harsh process environments