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Product Overview
The Yokogawa AAI543-S50/K4A00 is a high-performance analog output module designed for use in CENTUM VP and other Yokogawa control systems. It provides 16 isolated current output channels, delivering precise 4–20 mA signals to field devices. This model supports HART communication, enabling both process signal output and device parameter monitoring. It is engineered for reliability, with optional redundant configuration for critical process control applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI543-S50/K4A00 |
| Output Channels | 16, isolated |
| Output Signal | 4 to 20 mA DC |
| Accuracy | ±48 μA |
| Allowable Load Resistance | 0–750 Ω |
| Circuit-Open Detection | Less than 0.65 mA |
| Data Update Period | 10 ms |
| Temperature Drift | ±16 μA/10 °C |
| Withstanding Voltage | 1500 V AC between output and system (1 min) |
| Maximum Current Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
| Communication | Pressure clamp terminal, MIL connector cable, KS1 dedicated cable |
| HART Communication | Supported |
| Dimensions (W × H × D) | 107.5 × 32.8 × 130 mm |
| Weight | 0.4 kg |
Applications
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Industrial process control systems
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Distributed control systems (DCS) in oil & gas, chemical, and power industries
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Accurate analog signal transmission to actuators and control valves
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Systems requiring dual-redundant configuration for safety and reliability
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Integration with HART-enabled field devices for diagnostics and parameter settings
Advantages
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High accuracy for critical process control loops
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Isolated outputs for enhanced signal integrity and safety
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Fast response time suitable for dynamic process applications
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HART support for advanced device diagnostics
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Robust design for industrial environments with optional explosion protection
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Compact form factor for efficient panel space usage
FAQ
Q1: How many output channels does the AAI543-S50/K4A00 provide?
A1: It provides 16 isolated current output channels.
Q2: What is the supported output signal range?
A2: The output range is 4 to 20 mA DC.
Q3: Can this module be used in redundant configurations?
A3: Yes, it supports redundant configurations for high availability.
Q4: Does the module support HART communication?
A4: Yes, it supports HART protocol for communication with field devices.
Q5: What is the allowable load resistance?
A5: The allowable load resistance is between 0 and 750 Ω.
Q6: What is the accuracy specification?
A6: The accuracy is ±48 μA.
Q7: What industries typically use this module?
A7: It is widely used in oil & gas, power generation, chemical, and water treatment industries.
Q8: What is the weight of the module?
A8: The module weighs approximately 0.4 kg.
Q9: What type of connections are supported?
A9: It supports pressure clamp terminals, MIL connector cables, and KS1 dedicated cables.
Q10: What are the dimensions of the module?
A10: The dimensions are 107.5 × 32.8 × 130 mm.
Recommended Related Models (Same Series/Similar)
| Model | Channels | Signal Type | Isolation | Weight |
|---|---|---|---|---|
| AAI543-H50/K4A00 | 16 | 4–20 mA Output | Isolated | 0.4 kg |
| AAI143-S50/K4A00 | 16 | 4–20 mA Input | Isolated | 0.3 kg |
| AAI841-S50/K4A00 | 8 In / 8 Out | 4–20 mA | Non-Isolated | 0.3 kg |
| AAV544-S50/K4A00 | 16 | -10 to +10 V Output | Isolated | 0.2 kg |
| AAV542-S50/K4A00 | 16 | -10 to +10 V Output | Non-Isolated | 0.2 kg |
| AAI835-S50/K4A00 | 4 In / 4 Out | 4–20 mA | Isolated Channels | 0.3 kg |
Popular Yokogawa Models
| Model | Function | Channels | Signal Type | Weight |
|---|---|---|---|---|
| AAI141-S50/K4A00 | Analog Input | 16 | 4–20 mA | 0.2 kg |
| AAV141-S50/K4A00 | Analog Input | 16 | 1–5 V | 0.2 kg |
| AAV144-S50/K4A00 | Analog Input | 16 | -10 to +10 V | 0.2 kg |
| AAI143-H50/K4A00 | Analog Input (HART) | 16 | 4–20 mA | 0.3 kg |
| AAT141-S50/T4S00 | TC/mV Input | 16 | Various TC/mV Types | 0.2 kg |
| AAR181-S50/R8S00 | RTD Input | 12 | Pt100 | 0.2 kg |
