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Product Description
The Yokogawa AAI143-S53 is a high-performance 16-channel analog input module designed for CENTUM VP and CS 3000 distributed control systems. Engineered for precise data acquisition, it reliably converts analog signals from field transmitters and sensors into digital data, ensuring accurate process monitoring and control. This module supports isolated input channels and can operate in dual-redundant configurations for enhanced system reliability.
Technical Specifications
| Feature | Specification |
|---|---|
| Model | AAI143-S53 |
| Module Type | Analog Input Module |
| Number of Channels | 16 isolated input channels |
| Signal Input Types | 4–20 mA DC, 1–5 V, -10–10 V |
| Input Resistance | 270–350 Ω (Power ON, 4–20 mA); ≥500 kΩ (Power OFF) |
| Maximum Input Current | 24 mA |
| Resolution | 16-bit |
| Accuracy | ±0.1% of full scale |
| Channel Isolation | 1500 V AC for 1 minute between inputs and system |
| Operating Temperature | -20 to +70 °C (ISA G3 environmental option) |
| EMI/RFI Immunity | IEC 61000-4-3, IEC 61000-4-4 |
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.3 kg |
Key Features
- 16 fully isolated analog input channels for reliable signal separation
- Multi-signal compatibility: 4–20 mA, 1–5 V, or -10–10 V
- High-precision measurements with 16-bit resolution and ±0.1% full-scale accuracy
- Dual-redundant deployment capable for critical process applications
- Compact design with extended temperature tolerance (-20 to 70 °C)
- Resistant to electromagnetic and radio frequency interference (EMI/RFI)
Applications
- Oil and gas process control
- Chemical and petrochemical plants
- Power generation monitoring
- Water and wastewater treatment
- Any critical system requiring high-accuracy analog signal acquisition
FAQ
Q: Can this module be used in redundant systems?
A: Yes, the AAI143-S53 supports dual-redundant configuration for high reliability.
Q: What types of signals does it accept?
A: It accepts 4–20 mA DC, 1–5 V, and -10–10 V analog signals.
Q: What is the operating temperature range?
A: With the ISA G3 option, it operates reliably from -20 °C to +70 °C.
Q: Is the module protected against electrical interference?
A: Yes, each channel is isolated and the module meets EMI/RFI immunity standards IEC 61000-4-3 and IEC 61000-4-4.
