Product Description
Product Information: Yokogawa AAT145-S53 TC/RTD Input Module
Manufacturer:
- Yokogawa Electric Corporation
Model/Part Number:
- AAT145-S53 (TC/RTD Input Module, 16-channel, Isolated)
Model and Suffix Codes
| Model | Description | Suffix Code Options |
|---|---|---|
| AAT145 | TC/mV Input Module (16-channel, Isolated) | -S: Standard type |
| AAR145 | RTD/POT Input Module (16-channel, Isolated) | 5: Without explosion protection |
| E: With explosion protection | ||
| 0: Basic type | ||
| 3: With ISA Standard G3 option and temperature (-20 to 70 °C) |
External Connections:
| Option Code | Description |
|---|---|
| Dedicated Cable | KS1 for AAT145, KS8/AKB335 for AAR145 |
Input Signals:
| Signal Type | Specifications |
|---|---|
| Thermocouple (TC) | Type J, K, E, B, R, S, T, N (JIS C1602, IEC 60584-1) |
| Millivolt (mV) | -100 to 150 mV, -20 to 80 mV |
| RTD (Pt100) | JIS C1604, IEC 60751 (3-wire type) |
| Potentiometer (POT) | Total resistance 100 Ω to 10 kΩ, Span resistance ≥50% of total resistance |
Input Signal Settings:
- TC/mV and RTD/POT can be selected individually for each channel (CH1 to CH16).
Electrical Specifications
| Item | Specification |
|---|---|
| Allowable Input Voltage | ±5 V |
| Withstanding Voltage | Between input and system: 500 V AC (for single card: 1500 V AC, 1 minute) |
| Between input channels: 200 V AC, 1 minute | |
| Input Resistance | Power ON: 1 MΩ or larger |
| Power OFF: 1 MΩ or larger | |
| Accuracy | ±40 µV |
| RTD | ±150 mΩ |
| POT | ±0.2 %/FS |
| Allowable Total Resistance of Signal Source | 1000 Ω or less (for TC/mV) |
| Wiring Resistance | 150 Ω or less (per wire for RTD) |
| Effect of Signal Source Resistance | ±20 µV (1000 Ω) |
| Reference Junction Compensation | ±1 °C |
| RTD Measurement Current | 1 mA |
| Data Update Period | 1 second |
| Burn-out Detection | All channels can be set together (UP/DOWN), 60 s detection time |
| Temperature Drift | ±80 µV/10 °C (for TC) |
| ±0.3 Ω/10 °C (for RTD) | |
| ±0.4 %/10 °C (for POT) | |
| Maximum Current Consumption | 350 mA (5 V DC) |
| Weight | Approx. 0.30 kg |