Technical Specifications

• Model Name: NFAI143
• Number of Input Channels: 16-channel input, isolated
• Input Signal: 4 to 20 mA
• Allowable Input Current: Up to 24 mA
• Withstanding Voltage Between Input and System: 1500 V AC for 1 minute
• Overcurrent Protection: Provided
• Input Resistance:
  • Power ON: 250 Ω
  • Power OFF: 500 kΩ or more
• Accuracy: ±0.1% of full scale
• Data Refresh Cycle: 10 ms
• Input Step Response Time: 100 ms
• Transmitter Power Supply: 24.0 to 25.5 V (output current limit: 25 mA)
• Setting of 2-wire or 4-wire Transmitter: Configurable for each channel via setting pin
• Temperature Drift: Maximum ±0.01%/°C
• Maximum Current Consumption:
  • 5 V DC: 230 mA
  • 24 V DC: 540 mA
• Dimensions (Height x Width x Depth): 130 mm x 107.5 mm x 32.8 mm
• Weight: 0.3 kg

Suffix Codes

• NFAI143: Analog Input Module (4 to 20 mA, 16-channel, Isolated)
• -S: Standard Type
• -5: Without explosion protection
• -0: Basic Type