Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
NFAI141-S01 |
|
Description |
Analog Input Module, 4–20 mA, 16-channel, Non-Isolated |
🔹 Description
The Yokogawa NFAI141-S01 is a 16-channel non-isolated analog input module designed to receive 4 to 20 mA DC signals primarily from 2-wire or 4-wire transmitters. It offers compact signal acquisition, fast response, and optional HART communication support.
🔹 Technical Specifications
|
Item |
Specification |
|---|---|
|
Model |
NFAI141 |
|
Input Type |
Current input (4 to 20 mA DC) |
|
Number of Channels |
16 (non-isolated, per module) |
|
Input Resistance (Power ON) |
250 Ω |
|
Input Resistance (Power OFF) |
500 kΩ |
|
Allowable Input Current |
27 mA |
|
Overcurrent Protection |
Provided |
|
Accuracy |
±0.1% of full scale |
|
Data Refresh Cycle |
10 ms |
|
Input Step Response Time |
100 ms |
|
Transmitter Power Supply |
22.8 to 26.4 V (max 27 mA/channel) |
|
2-Wire/4-Wire Config |
Per-channel via setting pin |
|
Temperature Drift |
Max. ±0.01%/°C |
|
Max Current Consumption |
310 mA @ 5 V DC, 450 mA @ 24 V DC |
|
Weight |
Approx. 0.2 kg |
|
External Connection |
Pressure clamp terminal / MIL connector cable |
|
HART Communication |
Available (via suffix option -H) |
🔹 Model and Suffix Code Breakdown
|
Model |
Description |
|---|---|
|
NFAI141 |
Analog Input Module (16-channel, 4–20 mA, Non-isolated) |
|
Suffix Code |
Meaning |
|---|---|
|
-S |
Standard type |
|
5 |
With no explosion protection |
|
0 |
Basic type |
|
1 |
With ISA Standard G3 environmental protection |
✅ NFAI141-S01 =
-
Standard module
-
No explosion protection
-
Basic type
-
G3 environmental protection enabled
🔹 Available Option Codes
|
Option Code |
Description |
|---|---|
|
/A4S00 |
With pressure clamp terminal block [Model: NFTA4S-00] |
|
/A4S10 |
With pressure clamp terminal block (with surge absorber) [Model: NFTA4S-10] |
|
/CCC01 |
With connector cover for MIL cable [Model: NFCCC01] |