Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAR181-S50 |
|
Description |
12-Channel Isolated RTD Input Module (No Explosion Protection) |
🔹 Technical Specifications
|
Item |
Specification |
|---|---|
|
Model |
AAR181 |
|
Input Channels |
12, isolated |
|
Supported Input Type |
RTD only (Pt100, 3-wire type; per JIS C1604:1997, IEC751:1995) |
|
Allowable Input Voltage |
±5 V |
|
Withstanding Voltage |
1500 V AC (between input and system, for 1 minute) |
|
Input Resistance |
≥2 MΩ (Power ON and OFF) |
|
Accuracy (RTD) |
±120 mΩ |
|
Total Wiring Resistance Allowed |
40 Ω or less (per wire) (*2) |
|
Measurement Current |
1 mA (for RTD input) |
|
Temperature Drift |
±120 mΩ/10 °C (RTD input) |
|
Reference Junction Compensation |
Not applicable for RTD |
|
Data Update Period |
1 second |
|
Burn-out Setting |
All channels can be configured together (Available/Not available - UP/DOWN, 60 s detection) |
|
Maximum Current Consumption |
450 mA (5 V DC) |
|
Weight |
Approx. 0.2 kg |
|
External Connection |
Pressure clamp terminal |
🔹 Model Configuration
|
Model |
Description |
|---|---|
|
AAR181 |
RTD Input Module (12-channel, Isolated) |
Suffix Code Breakdown (AAR181-S50)
|
Suffix |
Description |
|---|---|
|
-S |
Standard type |
|
5 |
No explosion protection |
|
0 |
Basic type (standard configuration, no G3/high-temp option) |
🔹 Optional Codes (Not Included by Default)
|
Option Code |
Description |
|---|---|
|
/R8S00 |
Pressure clamp terminal block for RTD [Model: ATR8S-00] |
|
/R8S10 |
Pressure clamp terminal block with surge absorber [Model: ATR8S-10] |
|
/R8D00 |
Dual pressure clamp terminal block for RTD [Model: ATR8D-00] |
|
/R8D10 |
Dual pressure clamp terminal block with surge absorber [Model: ATR8D-10] |
|
/CCC01 |
Connector cover for MIL cable [Model: ACCC01] |
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