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The Yokogawa AAI143-H50/ATA4S-00 is a high-performance analog input module, designed to serve in process automation systems where accurate and stable signal acquisition is essential. It is part of the field-proven control system I/O lineup, designed to integrate seamlessly into distributed control systems (DCS).
This model is widely utilized in industrial applications requiring the processing of low-level analog signals such as voltage or current inputs, particularly in critical industries like oil and gas, power generation, petrochemicals, and manufacturing.
Industrial process control systems
Distributed Control Systems (DCS)
Power generation automation
Chemical and petrochemical plant monitoring
Water and wastewater treatment facilities
Pharmaceutical manufacturing
High Accuracy and Stability: Designed with advanced analog-digital conversion technology to provide consistent and precise measurements.
Multiple Input Channels: Supports multiple differential input channels to monitor multiple signals simultaneously.
Robust Design: Built for reliability in harsh industrial environments, including EMI-resistant architecture.
Hot-Swappable Module: Can be replaced without system shutdown, ensuring minimal operational downtime.
Diagnostics Capability: Features built-in diagnostics for fault detection and status monitoring.
DCS Integration: Seamless communication with distributed control systems for process automation.
Low Power Consumption: Optimized circuitry reduces energy usage.
Advanced Filtering: Reduces signal noise and improves measurement accuracy.
Brand: Yokogawa
Series: CENTUM VP Field Control Station (FCS) I/O Modules
| Parameter | Specification |
|---|---|
| Model | AAI143-H50/ATA4S-00 |
| Input Type | Analog (4–20 mA current loop) |
| Number of Channels | 16 channels |
| Input Impedance | Approx. 250 Ohms |
| Accuracy | ±0.1% of full scale |
| Isolation | Channel-to-channel and channel-to-ground |
| Sampling Rate | 100 ms (typical) |
| Operating Voltage | 24 VDC (supplied from system) |
| Power Consumption | Approx. 3.0 W |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Mounting | Rack-mounted module |
| Dimensions (H × W × D) | 130 mm × 27 mm × 170 mm |
| Weight | 0.35 kg |
| Hot-Swappable | Yes |
| Diagnostics | Built-in, per channel |
| Certifications | CE, RoHS, ISA, IEC |
| Model | Input Type | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| AAI141-H50 | Analog (Voltage) | 16 | 130 × 27 × 170 | 0.34 |
| AAI143-H00 | Analog (Current) | 16 | 130 × 27 × 170 | 0.35 |
| AAI835-H50 | Thermocouple Input | 8 | 130 × 27 × 170 | 0.36 |
| AAR181-S00 | RTD Input | 8 | 130 × 27 × 170 | 0.33 |
| AAI841-H00 | Universal Input | 8 | 130 × 27 × 170 | 0.34 |
| Model | Function | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| ADV151-P00 | Sequence Control Module | 16 | 130 × 27 × 170 | 0.32 |
| ATD5A-00 | Digital Input Module | 32 | 130 × 27 × 170 | 0.30 |
| AAD141-S00 | Analog Output Module | 8 | 130 × 27 × 170 | 0.35 |
| AAB841-H00 | Universal Output Module | 8 | 130 × 27 × 170 | 0.36 |
| ADM51D-S00 | Pulse Input Module | 4 | 130 × 27 × 170 | 0.31 |
Q1: What type of signals does the AAI143-H50/ATA4S-00 support?
A1: This module supports 4–20 mA analog current signals, typically used in industrial process sensors and transmitters.
Q2: Can the module be replaced while the system is running?
A2: Yes, it is a hot-swappable module, which allows for replacement without shutting down the entire system.
Q3: Is the AAI143-H50/ATA4S-00 compatible with all DCS systems?
A3: It is specifically designed for integration into compatible control systems from the same brand, particularly the CENTUM VP series.
Q4: How many input channels are available in this model?
A4: The module offers 16 differential analog input channels.
Q5: Does this module support diagnostics?
A5: Yes, it features built-in diagnostics for each channel, allowing for quick fault detection.
Q6: What is the operating temperature range?
A6: The module operates effectively within -20°C to +70°C.
Q7: Can it be used in hazardous environments?
A7: It complies with several industrial certifications, but final suitability depends on specific installation standards and requirements.
Q8: What kind of isolation is used?
A8: It offers isolation between channels and from channels to ground to minimize signal interference.
Q9: How does it handle signal noise?
A9: Advanced filtering is built into the analog front-end circuitry, reducing electrical noise and improving accuracy.
Q10: Is the module CE or RoHS certified?
A10: Yes, the module conforms to CE and RoHS standards.