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Product Overview
The Yokogawa AAI543-H50/A4S00 is a 16-channel isolated analog output module designed for precise and reliable current output in industrial process control systems. It supports 4 to 20 mA signal transmission with HART communication capability, making it ideal for integration with modern smart field devices. The module offers high accuracy, low drift, and compatibility with redundant configurations to enhance system availability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI543-H50/A4S00 |
| Output Channels | 16, isolated |
| Output Signal | 4 to 20 mA |
| Accuracy | ±48 µA |
| Allowable Load Resistance | 0 to 750 Ω |
| Circuit-Open Detection | Less than 0.65 mA |
| Withstanding Voltage | Between output and system: 1500 V AC, 1 min |
| Data Update Period | 10 ms |
| Temperature Drift | ±16 µA/10°C |
| Maximum Current Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
| External Connection | Pressure clamp terminal (A4S00) |
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.4 kg |
| HART Communication | Available |
| Redundancy Support | Standard or fast switch-over configuration |
Applications
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DCS Output Control – Integration with Yokogawa CENTUM systems for actuator and valve positioner control.
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Industrial Automation – Analog signal output to process equipment such as control valves and variable speed drives.
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Smart Device Integration – Communication with HART-enabled devices for configuration and diagnostics.
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Redundant System Architectures – Ensures minimal downtime with standard or fast switch-over redundancy.
Advantages
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High Accuracy – Ensures precise control over 4–20 mA current loops.
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Isolated Channels – Reduces noise interference and improves safety.
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HART Capability – Enables smart device data acquisition and remote diagnostics.
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Fast Update Rate – 10 ms update for responsive process control.
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Redundancy Options – Standard and fast switch-over configurations for critical processes.
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Compact Design – Fits easily into field control units with minimal space requirements.
FAQ
Q1: What is the main function of the AAI543-H50/A4S00?
A1: It outputs 4–20 mA analog signals for process control and supports HART communication.
Q2: Can it be used in redundant systems?
A2: Yes, it supports both standard and fast switch-over redundancy.
Q3: What type of signals does it output?
A3: Isolated 4 to 20 mA DC signals.
Q4: Is HART communication built-in?
A4: Yes, the H50 version includes HART protocol support.
Q5: What is the load resistance range?
A5: 0 to 750 ohms.
Q6: What is its operating voltage isolation?
A6: 1500 V AC between output and system for 1 minute.
Q7: How many output channels does it have?
A7: 16 independent isolated channels.
Q8: What is the accuracy of the module?
A8: ±48 µA.
Q9: What type of terminal connection does the A4S00 option provide?
A9: Pressure clamp terminal block for analog signals.
Q10: What is the update period?
A10: 10 milliseconds.
Related Models (Same Series)
| Model | Channels | Signal Type | HART | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| AAI543-S50/A4S00 | 16 | 4–20 mA | No | 107.5×32.8×130 | 0.4 kg |
| AAI543-H50/A4D00 | 16 | 4–20 mA | Yes | 107.5×32.8×130 | 0.4 kg |
| AAI543-H60/A4S00 | 16 | 4–20 mA | Yes | 107.5×32.8×130 | 0.4 kg |
| AAI543-HF0/A4S10 | 16 | 4–20 mA | Yes | 107.5×32.8×130 | 0.4 kg |
| AAI543-E50/A4S00 | 16 | 4–20 mA | No | 107.5×32.8×130 | 0.4 kg |
| AAI543-F50/A4S00 | 16 | 4–20 mA | No | 107.5×32.8×130 | 0.4 kg |
Popular Yokogawa Models
| Model | Function | Channels | Signal Type | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| AAI141-H50 | Analog Input | 16 | 4–20 mA | 107.5×32.8×130 | 0.2 kg |
| AAI143-H50 | Analog Input | 16 | 4–20 mA | 107.5×32.8×130 | 0.3 kg |
| AAV542 | Analog Output | 16 | -10 to +10 V | 107.5×32.8×130 | 0.2 kg |
| AAI841-H50 | Analog I/O | 8 in / 8 out | 4–20 mA | 107.5×32.8×130 | 0.3 kg |
| AAT141 | TC/mV Input | 16 | TC, mV | 107.5×32.8×130 | 0.2 kg |
| AAP135 | Pulse Input | 8 | Contact, Pulse | 107.5×32.8×130 | 0.3 kg |
