Product Description
Product Information: Yokogawa NFAI143-H50A4S00
| Manufacturer |
Yokogawa |
| Model/Part Number |
NFAI143-H50A4S00 |
| Description |
Analog I/O Modules (Isolated Current Input Modules) |
General Description
The NFAI143 is a 16-channel, isolated analog input module designed for current input signals in the range of 4 to 20 mA. It provides reliable measurement of industrial analog signals, ensuring high accuracy, long-term stability, and protection against overcurrent.
Specifications
| Specification |
Details |
| Number of Input Channels |
16 channels (isolated) |
| Input Signal |
4 to 20 mA |
| Allowable Input Current |
24 mA |
| Withstanding Voltage |
1500 V AC (between input and system, for 1 minute) |
| Overcurrent Protection |
Provided |
| Input Resistance (Power ON) |
250 Ω |
| Input Resistance (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 for Transmitter Type |
2-wire or 4-wire transmitter (configurable by setting pin) |
| Temperature Drift |
Max. ±0.01%/°C |
| Maximum Current Consumption |
230 mA (5 V DC), 540 mA (24 V DC) |
| Weight |
0.3 kg |
| External Connection |
Pressure clamp terminal, MIL connector cable |
| HART Communication |
Available |
Model and Suffix Codes
| Model |
Description |
| NFAI143 |
Analog Input Module (4-20 mA, 16-channel, Isolated) |
Suffix Codes
| Code |
Description |
| -S |
Standard Type |
| -H |
With HART Communication |
| 5 |
With no explosion protection |
| E |
With explosion protection |
| 0 |
Basic type |
| 1 |
With ISA Standard G3 option |
Option Codes
| Option Code |
Description |
| /A4S00 |
With Pressure Clamp Terminal Block for Analog [Model: NFTA4S-00] |
| /A4S10 |
With Pressure Clamp Terminal Block for Analog (with surge absorber) [Model: NFTA4S-10] |
| /CCC01 |
With Connector Cover for MIL Cable [Model: NFCCC01] |
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