Yokogawa|NFAI143-H50|Current Input Module
Yokogawa NFAI143-H50 Current Input Module
Description
The Yokogawa NFAI143-H50 is a 16-channel isolated current input module designed for high-precision analog signal processing.
Features
Supports HART communication. Offers isolation between channels and system. Includes overcurrent protection. Compatible with 2-wire and 4-wire transmitters.
Technical Specifications
-
Input Signal
Accepts 4 to 20 mA signals -
Maximum Input Current
Up to 24 mA -
Isolation Withstanding Voltage
1500 V AC for 1 minute between input and system -
Input Resistance
250 Ω (Power ON), 500 kΩ or more (Power OFF) -
Accuracy
±0.1% of full scale -
Data Refresh Cycle
Every 10 ms -
Step Response Time
100 ms -
Transmitter Power Supply
24.0 to 25.5 V DC, with output current limit of 25 mA -
Configuration Options
Selectable 2-wire or 4-wire transmitter setting per channel -
Temperature Drift
Max. ±0.01%/°C -
Current Consumption
230 mA at 5 V DC, 540 mA at 24 V DC -
Weight
0.3 kg
Yokogawa|NFAI143-H50|Current Input Module



Yokogawa|NFAI143-H50|Current Input Module
Yokogawa NFAI143-H50 Current Input Module
Description
The Yokogawa NFAI143-H50 is a 16-channel isolated current input module designed for high-precision analog signal processing.
Features
Supports HART communication. Offers isolation between channels and system. Includes overcurrent protection. Compatible with 2-wire and 4-wire transmitters.
Technical Specifications
-
Input Signal
Accepts 4 to 20 mA signals -
Maximum Input Current
Up to 24 mA -
Isolation Withstanding Voltage
1500 V AC for 1 minute between input and system -
Input Resistance
250 Ω (Power ON), 500 kΩ or more (Power OFF) -
Accuracy
±0.1% of full scale -
Data Refresh Cycle
Every 10 ms -
Step Response Time
100 ms -
Transmitter Power Supply
24.0 to 25.5 V DC, with output current limit of 25 mA -
Configuration Options
Selectable 2-wire or 4-wire transmitter setting per channel -
Temperature Drift
Max. ±0.01%/°C -
Current Consumption
230 mA at 5 V DC, 540 mA at 24 V DC -
Weight
0.3 kg