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Product Overview
The Yokogawa AAI543-H00/A4S00 is a high-performance 16-channel isolated current output module designed for precise analog signal transmission in process control systems. Operating in the 4 to 20 mA range, it is optimized for reliable integration with field devices such as actuators, control valves, and other analog-driven components. Its isolated design ensures high noise immunity and safety in industrial environments, and it supports dual-redundant configuration for maximum availability. The H00 suffix indicates HART communication capability, enabling advanced diagnostics and configuration via the control system. The /A4S00 option provides a pressure clamp terminal block for secure and efficient wiring.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI543-H00/A4S00 |
| Function | Analog Output Module (Current Output) |
| Number of Output Channels | 16, isolated |
| Output Signal | 4 to 20 mA |
| Accuracy | ±48 μA |
| Allowable Load Resistance | 0 to 750 Ω |
| Circuit-open Detection | < 0.65 mA |
| Data Update Period | 10 ms |
| Drift due to Ambient Temperature | ±16 μA / 10°C |
| Withstanding Voltage | 1500 V AC (output to system, 1 minute) |
| HART Communication | Available |
| Max. 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 |
Applications
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Industrial process control systems requiring precise analog current outputs
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Valve positioner and actuator control
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Distributed control system (DCS) output interfaces
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Redundant output systems for high-availability processes
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Integration with HART-enabled field devices for diagnostics and monitoring
Advantages
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High Reliability – Isolated output channels ensure stable operation and prevent signal interference.
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Dual-Redundant Capability – Supports standard and fast switchover for critical applications.
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Fast Response – 10 ms update time ensures timely process control.
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HART Communication – Enables advanced diagnostics and configuration.
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Compact Design – Slim form factor fits efficiently in control cabinets.
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Flexible Wiring – Pressure clamp terminal block for easy installation.
FAQ
Q1: What is the output range of the AAI543-H00/A4S00?
A1: It outputs 4 to 20 mA DC signals.
Q2: How many output channels does it have?
A2: It has 16 isolated output channels.
Q3: Can it be used in a redundant configuration?
A3: Yes, it supports both standard and fast switchover redundant configurations.
Q4: Does it support HART communication?
A4: Yes, the H00 version includes HART capability.
Q5: What is the allowable load resistance?
A5: It can drive loads between 0 and 750 Ω.
Q6: How fast is the update period?
A6: The data update period is 10 ms.
Q7: What type of terminal block is included?
A7: The /A4S00 option includes a pressure clamp terminal block.
Q8: What is the operating voltage isolation rating?
A8: 1500 V AC between output and system for 1 minute.
Q9: What is its physical size?
A9: 107.5 × 32.8 × 130 mm.
Q10: How much does the module weigh?
A10: Approximately 0.4 kg.
Related Models (Same Series or Similar Function)
| Model | Function | Channels | Output Signal | Isolation | HART |
|---|---|---|---|---|---|
| AAI543-S00/A4S00 | Analog Output, Std. Type | 16 | 4–20 mA | Yes | No |
| AAI543-H50/A4S00 | Analog Output, Std. Switchover | 16 | 4–20 mA | Yes | Yes |
| AAI543-H60/A4S00 | Analog Output, Fast Switchover | 16 | 4–20 mA | Yes | Yes |
| AAI543-E00/A4S00 | Explosion-Proof, Std. Switchover | 16 | 4–20 mA | Yes | No |
| AAI543-F00/A4S00 | Explosion-Proof, Fast Switchover | 16 | 4–20 mA | Yes | No |
| AAV544-S00/A4S00 | Analog Output (Voltage) | 16 | -10 to +10 V | Yes | No |
Popular Yokogawa Models
| Model | Function | Channels | Signal Type | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| AAI141-H00 | Analog Input (Current) | 16 | 4–20 mA | 107.5×32.8×130 | 0.2 kg |
| AAV144-S00 | Analog Input (Voltage) | 16 | ±10 V | 107.5×32.8×130 | 0.2 kg |
| AAI143-H00 | Analog Input (Isolated) | 16 | 4–20 mA | 107.5×32.8×130 | 0.3 kg |
| AAI841-H00 | Analog I/O | 8 In / 8 Out | 4–20 mA | 107.5×32.8×130 | 0.3 kg |
| AAV542-S00 | Analog Output (Voltage) | 16 | ±10 V | 107.5×32.8×130 | 0.2 kg |
| AAT141-S00 | TC/mV Input | 16 | Various TC/mV | 107.5×32.8×130 | 0.2 kg |
