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Product Overview
The Yokogawa AAI543-S00/K4A00 is a 16-channel isolated current output module designed for high-reliability industrial automation systems. It delivers precise 4–20 mA analog signals to field devices and supports dual-redundant operation for enhanced system availability. With HART communication capability, it allows simultaneous analog control and digital device diagnostics. This module is suitable for process industries requiring accurate and stable analog outputs under harsh environmental conditions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI543-S00/K4A00 |
| 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 |
| Data Update Period | 10 ms |
| Switch-over Response | Standard (in redundant configuration) |
| Temperature Drift | ±16 μA/10°C |
| Withstanding Voltage | 1500 V AC, 1 minute (between output and system) |
| HART Communication | Supported |
| Maximum Current Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
| External Connection | Pressure clamp terminal, MIL connector cable, KS1 dedicated cable |
| Dimensions (W × D × H) | 107.5 × 32.8 × 130 mm |
| Weight | 0.4 kg |
Applications
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Distributed control systems in oil & gas, chemical, and power plants
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Precision process control for manufacturing lines
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Remote terminal units for industrial automation
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Redundant control systems for high-availability processes
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HART-enabled control loops for diagnostics and maintenance
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Process monitoring systems requiring accurate analog outputs
Advantages
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High Accuracy – ±48 μA output precision ensures reliable control performance
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Isolated Channels – Prevents electrical interference and protects system integrity
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HART Communication – Allows device monitoring and diagnostics alongside control signals
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Dual-Redundancy Support – Enhances system uptime in critical applications
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Fast Data Update – 10 ms update rate for responsive control
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Wide Load Range – Compatible with load resistances up to 750 Ω
FAQ
Q1: What is the output signal range of the AAI543-S00/K4A00?
A1: It provides a 4 to 20 mA DC output.
Q2: Does the module support redundant operation?
A2: Yes, it supports dual-redundant configuration with standard switch-over response.
Q3: Can this module be used in hazardous areas?
A3: Yes, explosion-protected versions are available; check suffix codes for options.
Q4: What is the accuracy specification?
A4: ±48 μA.
Q5: How is the module connected to field devices?
A5: Via pressure clamp terminals, MIL connectors, or KS1 dedicated cables.
Q6: What is the data update period?
A6: 10 milliseconds.
Q7: Does it support HART communication?
A7: Yes, HART communication is supported for enhanced diagnostics.
Q8: What is the operating voltage isolation capability?
A8: 1500 V AC between output and system for 1 minute.
Q9: What environments is it suitable for?
A9: It is designed for industrial process control in harsh conditions.
Q10: What is its maximum current consumption?
A10: 230 mA at 5 V DC and 540 mA at 24 V DC.
Related Models (Same Series)
| Model | Description | Channels | Signal Type | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| AAI543-H00/K4A00 | Analog Output Module with HART | 16 | 4–20 mA | 107.5×32.8×130 | 0.4 kg |
| AAI143-S00/K4A00 | Analog Input Module | 16 | 4–20 mA | 107.5×32.8×130 | 0.3 kg |
| AAV544-S00/K4A00 | Voltage Output Module | 16 | -10 to +10 V | 107.5×32.8×130 | 0.2 kg |
| AAI841-S00/K4A00 | Analog I/O Module | 8 in / 8 out | 4–20 mA | 107.5×32.8×130 | 0.3 kg |
| AAB842-H00/K4A00 | Analog I/O Module with HART | 8 in / 8 out | 1–5 V / 4–20 mA | 107.5×32.8×130 | 0.3 kg |
| AAV542-S00/K4A00 | Voltage Output Module | 16 | -10 to +10 V | 107.5×32.8×130 | 0.2 kg |
Popular Yokogawa Models
| Model | Description | Channels | Signal Type | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| AAI141-S00/K4A00 | Analog Input Module | 16 | 4–20 mA | 107.5×32.8×130 | 0.2 kg |
| AAV141-S00/K4A00 | Analog Input Module | 16 | 1–5 V | 107.5×32.8×130 | 0.2 kg |
| AAB141-H00/K4A00 | Analog Input Module with HART | 16 | 1–5 V / 4–20 mA | 107.5×32.8×130 | 0.3 kg |
| AAT141-S00/T4S00 | TC/mV Input Module | 16 | TC/mV | 107.5×32.8×130 | 0.2 kg |
| AAI135-H00/K4A00 | Analog Input Module with HART | 8 | 4–20 mA (Isolated Channels) | 107.5×32.8×130 | 0.3 kg |
| AAI835-S00/K4A00 | Analog I/O Module | 4 in / 4 out | 4–20 mA (Isolated Channels) | 107.5×32.8×130 | 0.3 kg |
