Product Description
Product Information: Yokogawa RTD Input Module (NFAR181-S00/R8S0)
| Manufacturer | Yokogawa |
|---|---|
| Model/Part Number | NFAR181-S00/R8S0 |
| Description | RTD Input Module (12-channel, Isolated) |
Specifications
| Specification | Details |
|---|---|
| Model | NFAR181 |
| Number of Input Channels | 12, Isolated |
| Input Signal | Thermocouple (TC), mV, RTD (Pt100, JPt100) |
| Types of Thermocouples | J, K, E, B, R, S, T, N (IEC 60584, JIS C1602) |
| RTD Types | Pt100 (three-wire), JPt100 (three-wire) |
| Allowable Input Voltage | ±5 V |
| Withstanding Voltage | 1500 V AC (between input and system, for 1 minute) |
| Input Resistance | 2 MΩ or more (Power ON/OFF) |
| Accuracy (Thermocouple Inputs) | ±0.03% of full scale (for -20 to 80 mV) |
| Accuracy (mV Inputs) | ±0.032% of full scale (for -100 to 150 mV) |
| Accuracy (RTD Inputs) | ±0.03% of full scale (for 0 to 400 Ω) |
| Allowable Signal Source Resistance | 1000 Ω or less |
| Reference Junction Compensation | Within ±1°C |
| Measurement Current | 1 mA |
| Temperature Drift | ±30 ppm/°C (Thermocouple), ±32 ppm/°C (mV inputs) |
| Data Refresh Cycle | 1 second |
| Burn-out Detection | Available with 60-second detection time |
| Maximum Current Consumption | 450 mA (5 V DC) |
| Weight | 0.2 kg |
| External Connection | Pressure clamp terminal, MIL connector cable |
Model and Suffix Codes
| Description | Suffix Codes |
|---|---|
| Model | NFAR181 RTD Input Module (12-channel, Isolated) |
| Suffix Code -S | Standard type |
| Suffix Code -5 | No Explosion Protection |
| Suffix Code -E | With Explosion Protection |
| Suffix Code -0 | Basic type |
| Suffix Code -1 | With ISA Standard G3 Option |
| Suffix Code -4 | With Extended Temperature Range (-40 to +70 °C) |
| Suffix Code -5 | With Extended Temperature Range and ISA Standard G3 |
Option Codes
| Option Code | Description |
|---|---|
| /R8S00 | Pressure Clamp Terminal Block for RTD (NFTR8S-00) |
| /R8S10 | Pressure Clamp Terminal Block for RTD (surge absorber) (NFTR8S-10) |
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