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Product Overview
The Yokogawa AAI543-H50/A4S10 is a high-performance 16-channel isolated analog output module designed for industrial process control systems. It delivers accurate 4–20 mA DC signals to field devices and supports HART communication for advanced diagnostics and configuration. Its isolated design enhances reliability and noise immunity, while the A4S10 option provides a pressure clamp terminal block with a surge absorber, ensuring robust protection in demanding environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI543-H50/A4S10 |
| Output Channels | 16, isolated |
| Output Signal | 4–20 mA DC |
| Withstanding Voltage | 1500 V AC between output and system, 1 min |
| Allowable Load Resistance | 0–750 Ω |
| Circuit-Open Detection | Less than 0.65 mA |
| Accuracy | ±48 µA |
| Data Update Period | 10 ms |
| Temperature Drift | ±16 µA/10°C |
| HART Communication | Available |
| Maximum Current Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
| External Connection | Pressure clamp terminal, MIL connector cable, dedicated cable (KS1) |
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.4 kg |
Applications
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Industrial process automation systems
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Distributed control systems (DCS) for oil, gas, and petrochemical plants
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Power generation and utility monitoring
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Water and wastewater treatment process control
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Chemical manufacturing control loops
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Any system requiring accurate current loop control with redundancy
Advantages
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High Reliability: Isolated design minimizes signal interference and enhances safety.
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Fast Response: 10 ms update rate with stable 4–20 mA output.
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HART Integration: Allows remote diagnostics and device configuration.
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Redundancy Support: Enables standard or fast switch-over response in dual-redundant configurations.
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Surge Protection: Built-in surge absorber in A4S10 option safeguards against voltage spikes.
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Compact Design: Space-efficient module for high-density control cabinets.
FAQ
Q1: What is the main function of the AAI543-H50/A4S10 module?
A1: It outputs 4–20 mA current signals to control field devices in industrial process systems.
Q2: How many output channels does it have?
A2: It has 16 isolated output channels.
Q3: Is HART communication supported?
A3: Yes, it supports HART protocol for diagnostics and configuration.
Q4: What is the allowable load resistance range?
A4: 0–750 Ω.
Q5: Can it be used in a redundant system?
A5: Yes, it supports both standard and fast switch-over redundancy.
Q6: What type of terminal connection does the A4S10 option provide?
A6: A pressure clamp terminal block with surge absorber.
Q7: What is the accuracy of the output signal?
A7: ±48 µA.
Q8: What is the size of the module?
A8: 107.5 × 32.8 × 130 mm.
Q9: What is the maximum current consumption?
A9: 230 mA (5 V DC) and 540 mA (24 V DC).
Q10: Where is this module commonly used?
A10: In DCS-based process control applications such as oil & gas, power plants, and chemical manufacturing.
Related Models (Same Series)
| Model | Channels | Signal Type | Isolation | HART Support | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|
| AAI543-H50/A4S00 | 16 | 4–20 mA Output | Isolated | Yes | 107.5×32.8×130 | 0.4 kg |
| AAI543-H60/A4S10 | 16 | 4–20 mA Output (Fast Switch-over) | Isolated | Yes | 107.5×32.8×130 | 0.4 kg |
| AAI543-H50/A4D00 | 16 | 4–20 mA Output | Isolated | Yes | 107.5×32.8×130 | 0.4 kg |
| AAI543-H60/A4D10 | 16 | 4–20 mA Output (Fast Switch-over) | Isolated | Yes | 107.5×32.8×130 | 0.4 kg |
| AAI543-E50/A4S10 | 16 | 4–20 mA Output (Explosion-proof) | Isolated | Yes | 107.5×32.8×130 | 0.4 kg |
| AAI543-F60/A4S10 | 16 | 4–20 mA Output (Fast Switch-over, Explosion-proof) | Isolated | Yes | 107.5×32.8×130 | 0.4 kg |
Popular Yokogawa Models
| Model | Function | Channels | Signal Type | Isolation | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|
| AAI141-H | Analog Input | 16 | 4–20 mA | Non-Isolated | 107.5×32.8×130 | 0.2 kg |
| AAV144 | Analog Input | 16 | ±10 V | Isolated | 107.5×32.8×130 | 0.2 kg |
| AAV542 | Analog Output | 16 | ±10 V | Non-Isolated | 107.5×32.8×130 | 0.2 kg |
| AAI143-H | Analog Input | 16 | 4–20 mA | Isolated | 107.5×32.8×130 | 0.3 kg |
| AAI841-H | Analog I/O | 8 In / 8 Out | 4–20 mA | Non-Isolated | 107.5×32.8×130 | 0.3 kg |
| AAB842-H | Analog I/O | 8 In / 8 Out | 1–5 V / 4–20 mA | Non-Isolated | 107.5×32.8×130 | 0.3 kg |
