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Product Overview
The Yokogawa AAI143-H53 S1 is a high-performance 16-channel isolated analog input module designed for secure and accurate signal acquisition in industrial control systems. It supports 4–20 mA current inputs and includes HART communication functionality, offering advanced diagnostics and device integration capabilities.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI143-H53 S1 |
| Input Channels | 16 (Isolated) |
| Input Signal | 4 to 20 mA DC |
| Allowable Input Current | 24 mA |
| Input Resistance (Power ON) | 270 Ω (20 mA) to 350 Ω (4 mA) |
| Input Resistance (Power OFF) | 500 kΩ or more |
| Accuracy | ±16 µA |
| Transmitter Power Supply | 19.0 V (min at 20 mA), 25.5 V (max at 0 mA) |
| Output Current Limit | 25 mA |
| Temperature Drift | ±16 µA per 10 °C |
| Withstanding Voltage | 1500 V AC for 1 minute (input to system) |
| HART Communication | Supported |
| Data Update Period | 10 ms |
| Current Consumption (5 V DC) | 230 mA |
| Current Consumption (24 V DC) | 540 mA |
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.3 kg |
| External Connection | Pressure clamp, MIL connector, KS cable |
Applications
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Industrial process control
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Distributed control systems (DCS)
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SCADA systems
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Safety instrumented systems
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Remote terminal units (RTUs)
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Power plant automation
Product Advantages
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Isolated inputs enhance signal integrity and reduce interference
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Supports HART communication for enhanced field device integration
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High accuracy and fast response time suitable for critical applications
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Reliable performance in harsh industrial environments
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Dual-redundancy compatibility improves system availability
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Flexible wiring options (MIL, pressure clamp, KS cable)
FAQ
Q1: What type of signals does the AAI143-H53 S1 support?
A1: It supports 4 to 20 mA DC analog current input signals.
Q2: Is the AAI143-H53 S1 suitable for hazardous areas?
A2: Yes, explosion protection options are available depending on the suffix code.
Q3: Can it be used in dual-redundant configurations?
A3: Yes, it supports dual-redundant setups for high availability systems.
Q4: Does this module support HART communication?
A4: Yes, HART protocol is supported for device diagnostics and configuration.
Q5: What is the update rate of the module?
A5: The data update period is 10 milliseconds.
Q6: What is the input isolation voltage?
A6: The isolation withstand voltage is 1500 V AC between input and system.
Q7: What is the power consumption of the module?
A7: It consumes 230 mA at 5 V DC and 540 mA at 24 V DC.
Q8: What are the available connection types?
A8: Pressure clamp terminal, MIL connector cable, and KS cable are supported.
Q9: What kind of temperature drift should be expected?
A9: The module experiences ±16 µA per 10 °C change.
Q10: Can I use Zener barriers with this module?
A10: No, Zener barriers are not allowed; use isolation barriers in intrinsically safe applications.
Related Models (Same Series or Function)
| Model | Input Type | Channels | Isolation | HART | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|
| AAI141 | 4–20 mA (Current) | 16 | No | Yes | 107.5 × 32.8 × 130 | 0.2 kg |
| AAB141 | 1–5 V / 4–20 mA | 16 | No | Yes | 107.5 × 32.8 × 130 | 0.3 kg |
| AAI135 | 4–20 mA | 8 | Yes (Ch) | Yes | 107.5 × 32.8 × 130 | 0.3 kg |
| AAI543 | 4–20 mA (Output) | 16 | Yes | Yes | 107.5 × 32.8 × 130 | 0.4 kg |
| AAI835 | 4–20 mA (I/O) | 4/4 | Yes (Ch) | Yes | 107.5 × 32.8 × 130 | 0.3 kg |
| AAV144 | -10 to +10 V (Input) | 16 | Yes | No | 107.5 × 32.8 × 130 | 0.2 kg |
Popular Yokogawa Models
| Model | Function | Channels | Communication | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| AAI143-H53 | Analog Input (4–20 mA, Isolated) | 16 | HART | 107.5 × 32.8 × 130 | 0.3 kg |
| AAI543-H53 | Analog Output (4–20 mA) | 16 | HART | 107.5 × 32.8 × 130 | 0.4 kg |
| AAI141-H | Analog Input (4–20 mA) | 16 | HART | 107.5 × 32.8 × 130 | 0.2 kg |
| AAV144 | Analog Input (-10 to +10 V) | 16 | No | 107.5 × 32.8 × 130 | 0.2 kg |
| AAI835-H | Analog I/O (4–20 mA, Isolated) | 4 in / 4 out | HART | 107.5 × 32.8 × 130 | 0.3 kg |
| AAT141 | TC/mV Input | 16 | No | 107.5 × 32.8 × 130 | 0.2 kg |
Excellent PLC
