Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
NFAI135-S50/CCC01 |
|
Description |
Analog Input Module (4–20 mA, 8-Channel, Isolated Channels) |
🔹 Description
The Yokogawa NFAI135-S50/CCC01 is an 8-channel, isolated analog input module designed for receiving 4 to 20 mA DC current signals. It features channel-to-channel and signal-to-system isolation, making it suitable for high-integrity applications such as safety or mission-critical systems. The module supports HART communication, overcurrent protection, and transmitter power supply, with stable performance across a wide temperature range.
🔹 Technical Specifications
|
Item |
Specification |
|---|---|
|
Model |
NFAI135 |
|
Type |
Analog Input Module |
|
Number of Channels |
8 (isolated per channel) |
|
Input Signal |
4 to 20 mA |
|
Allowable Input Current |
25 mA |
|
Overcurrent Protection |
Provided |
|
Withstanding Voltage |
500 V AC for 1 min (channel-to-channel & input-to-system) |
|
Input Resistance (Power ON) |
250 Ω |
|
Input Resistance (Power OFF) |
≥500 kΩ |
|
Accuracy |
±0.1% of full scale |
|
Data Refresh Cycle |
10 ms |
|
Input Step Response Time |
100 ms |
|
Transmitter Power Supply |
20.2 to 29.3 V DC |
|
Temperature Drift |
Max. ±0.01%/°C |
|
Max Current Consumption |
360 mA @ 5 V DC, 450 mA @ 24 V DC |
|
Weight |
Approx. 0.3 kg |
|
External Connections |
Pressure clamp terminal, MIL connector cable |
|
HART Communication |
Available (via -H suffix) |
🔹 Model and Suffix Code Breakdown
|
Model |
Description |
|---|---|
|
NFAI135 |
Analog Input Module (8-channel, 4–20 mA, Isolated) |
|
Suffix Code |
Meaning |
|---|---|
|
-S |
Standard type |
|
5 |
With no explosion protection |
|
0 |
Basic type |
|
/CCC01 |
With connector cover for MIL cable [Model: NFCCC01] |
✅ NFAI135-S50/CCC01 =
-
Standard module
-
No explosion protection
-
Basic type
-
MIL cable cover included
🔹 Available Option Codes
|
Option Code |
Description |
|---|---|
|
/13S00 |
With pressure clamp terminal block [Model: NFTI3S-00] |
|
/13S10 |
With surge-absorber terminal block [Model: NFTI3S-10] |
|
/CCC01 |
With connector cover for MIL cable [Model: NFCCC01] |