Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAR181-S50 S2 |
|
Description |
12-Channel RTD Input Module, Standard Type, No Explosion Protection |
🔹 Technical Specifications
|
Item |
Specification |
|---|---|
|
Model |
AAR181 |
|
Input Channels |
12, isolated |
|
Supported Input Type |
RTD only (Pt100, 3-wire type; 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 |
|
Wiring Resistance Allowed |
40 Ω or less (per wire) |
|
Measurement Current |
1 mA (RTD input) |
|
Temperature Drift |
±120 mΩ/10 °C (RTD input) |
|
Data Update Period |
1 second |
|
Burn-out Detection |
All channels settable (Available/Not Available), Detection time: 60 s |
|
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 S2)
|
Suffix |
Meaning |
|---|---|
|
-S |
Standard type |
|
5 |
With no explosion protection |
|
0 |
Basic type configuration |
|
S2 |
Could refer to a customer-specific or special version (not detailed in standard docs) |
Note: The meaning of S2 is not explicitly defined in the standard Yokogawa documentation. It typically indicates a custom or special-purpose modification. For exact functionality, it’s best to check with Yokogawa support or your procurement source.
🔹 Optional Codes (Not Included by Default)
|
Option Code |
Description |
|---|---|
|
/R8S00 |
Pressure clamp terminal block for RTD [ATR8S-00] |
|
/R8S10 |
Same with surge absorber [ATR8S-10] |
|
/R8D00 |
Dual terminal block for RTD [ATR8D-00] |
|
/R8D10 |
Dual terminal block with surge absorber [ATR8D-10] |
|
/CCC01 |
Connector cover for MIL cable [ACCC01] |
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