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Product Overview
The Yokogawa AAI543-H60/K4A00 is a high-performance 16-channel isolated analog output module designed for use in Yokogawa’s FIO-based control systems. It outputs precise 4 to 20 mA current signals, making it suitable for controlling various field devices such as control valves and actuators. This model supports HART communication, enabling advanced diagnostics and parameter setting for connected HART-enabled devices. Its dual-redundant configuration ensures high system availability, with both standard and fast switch-over response options.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI543-H60/K4A00 |
| Output Channels | 16, isolated |
| Output Signal | 4 to 20 mA |
| Switch-over Response | Fast response (max 2 ms in redundant mode) |
| Withstanding Voltage | 1500 V AC between output and system for 1 minute |
| Allowable Load Resistance | 0 to 750 Ω |
| Circuit-open Detection | Less than 0.65 mA |
| Accuracy | ±48 μA |
| Data Update Period | 10 ms |
| Temperature Drift | ±16 μA / 10 °C |
| Maximum Current Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
| HART Communication | Supported |
| External Connection | Pressure clamp terminal, MIL connector cable, KS1 dedicated cable |
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.4 kg |
Applications
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Control of industrial process actuators and valves
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Analog output to variable speed drives
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Integration with field transmitters requiring current loop control
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Advanced diagnostics via HART protocol for maintenance optimization
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High-reliability output for safety-critical processes
Advantages
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High Accuracy: ±48 μA output precision ensures reliable process control.
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HART Integration: Enables communication with smart field devices for enhanced diagnostics.
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Fast Redundancy Switch-over: Less than 2 ms in redundant systems reduces downtime.
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Wide Load Range: Supports up to 750 Ω for flexibility in various applications.
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Robust Isolation: 1500 V AC isolation enhances safety and noise immunity.
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Compact Design: Fits easily into existing Yokogawa FIO systems without space issues.
FAQ
Q1: What is the main function of the AAI543-H60/K4A00?
A1: It converts system digital control signals into isolated 4–20 mA analog outputs to control field devices.
Q2: How many output channels does it have?
A2: It has 16 isolated output channels.
Q3: What is the key benefit of the “H60” suffix?
A3: It indicates fast switch-over response in redundant configurations, with a maximum of 2 ms downtime during switchover.
Q4: Is HART communication supported?
A4: Yes, it supports HART communication for smart device integration.
Q5: What is the maximum allowable load resistance?
A5: It supports load resistance from 0 to 750 Ω.
Q6: Can this module be used in safety-critical applications?
A6: Yes, its redundancy and precision make it suitable for critical process control.
Q7: What is the output accuracy?
A7: ±48 μA.
Q8: Does it have built-in isolation?
A8: Yes, with 1500 V AC isolation between output and system.
Q9: What type of external connections are supported?
A9: Pressure clamp terminals, MIL connector cables, and KS1 dedicated cables.
Q10: What are the physical dimensions?
A10: 107.5 × 32.8 × 130 mm, weighing 0.4 kg.
Related Models (Same Series or Similar)
| Model | Output Type | Channels | Isolation | HART Support |
|---|---|---|---|---|
| AAI543-H50/K4A00 | 4–20 mA | 16 | Isolated | Yes |
| AAI543-S50/K4A00 | 4–20 mA | 16 | Isolated | No |
| AAI543-E60/K4A00 | 4–20 mA | 16 | Isolated | Yes |
| AAI543-F60/K4A00 | 4–20 mA | 16 | Isolated | Yes |
| AAI835-H/K4A00 | 4–20 mA | 4 in / 4 out | Isolated | Yes |
| AAP849 | 4–20 mA | 8 out | Non-isolated | No |
Popular Yokogawa Models
| Model | Function | Channels | Signal Type | Isolation |
|---|---|---|---|---|
| AAI143-H | Analog Input | 16 | 4–20 mA | Isolated |
| AAV544 | Analog Output | 16 | -10 to +10 V | Isolated |
| AAT141 | TC/mV Input | 16 | Various | Isolated |
| AAI141-H | Analog Input | 16 | 4–20 mA | Non-isolated |
| AAB842-H | Analog I/O | 8 in / 8 out | 1–5 V / 4–20 mA | Non-isolated |
| AAI135-H | Analog Input | 8 | 4–20 mA | Isolated |
