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The Yokogawa AAI135-S00 is a high-performance 8-channel analog input module designed for the CENTUM VP and CENTUM CS 3000 distributed control systems. This module provides isolated signal processing for 4 to 20 mA DC inputs and supports HART communication, making it suitable for critical process automation applications requiring high accuracy and channel-to-channel isolation.
| Item | Specification |
|---|---|
| Model | AAI135-S00 |
| Number of I/O channels | 8-channel, isolated |
| I/O signal | 4 to 20 mA |
| Allowable input current | 25 mA |
| Withstanding voltage | 500 V AC (input to system / channel to channel) |
| Input resistance | 290 Ohm (20 mA) to 450 Ohm (4 mA) |
| Accuracy | +/- 16 uA |
| Data update period | 10 ms |
| Transmitter power supply | 15.0 V to 29.3 V |
| Temperature drift | +/- 16 uA / 10 deg C |
| Max current consumption | 360 mA (5 V DC), 450 mA (24 V DC) |
| External connection | Pressure clamp, MIL connector, KS1 cable |
Yes, this module supports HART communication, allowing for the transmission of digital data alongside the analog 4-20 mA signal for device diagnostics and configuration.
The module features 500 V AC withstanding voltage between input channels and between the input and the system, ensuring high signal integrity and protection against ground loops.