Excellent PLC
| Company Information | ||||||||
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| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Yokogawa AAI543-H03/K4A00 is a 16-channel isolated current output module designed for high-reliability process control systems. It delivers precise 4–20 mA analog signals to field devices and supports HART communication, enabling both analog signal transmission and digital device diagnostics. The module is engineered for use in dual-redundant configurations to ensure continuous operation in critical applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI543-H03/K4A00 |
| Output Channels | 16, isolated |
| Output Signal | 4–20 mA |
| Withstanding Voltage | 1500 V AC between output and system for 1 minute |
| Allowable Load Resistance | 0–750 Ω |
| Circuit-Open Detection | < 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) |
| External Connection | Pressure clamp terminal, MIL connector cable, KS1 cable |
| Communication | HART protocol supported |
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.4 kg |
Applications
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Distributed Control Systems (DCS) in process automation
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Analog control of actuators and valve positioners
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Integration with HART-enabled field devices for monitoring and diagnostics
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Redundant control systems for continuous operation in oil, gas, chemical, and power plants
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Industrial process monitoring requiring high accuracy and isolation
Advantages
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High Reliability – Isolated design reduces interference and ensures stable operation.
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Dual-Redundancy Support – Standard or fast switch-over to maintain continuous control.
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HART Communication – Allows digital diagnostics and configuration without interrupting analog control.
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Fast Response – 10 ms update and low drift ensure accurate signal output.
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Flexible Installation – Compatible with multiple connection types and terminal boards.
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Wide Application – Suitable for both standard and explosion-protected environments.
FAQ
Q1: What is the output range of the AAI543-H03/K4A00?
A1: The module outputs 4–20 mA analog signals.
Q2: How many channels does this module provide?
A2: It has 16 isolated output channels.
Q3: Does it support redundant configuration?
A3: Yes, it supports both standard and fast switch-over redundancy.
Q4: Is HART communication available?
A4: Yes, it supports HART protocol for device diagnostics and configuration.
Q5: What is the allowable load resistance?
A5: The range is from 0 to 750 Ω.
Q6: Can it be used in explosion-protected areas?
A6: Yes, certain suffix codes support explosion protection.
Q7: What is the accuracy specification?
A7: ±48 μA across the full output range.
Q8: What is the response time?
A8: The data update period is 10 ms.
Q9: What type of field devices can it drive?
A9: It can drive analog actuators, valve positioners, and other 4–20 mA devices.
Q10: What are the physical dimensions?
A10: 107.5 × 32.8 × 130 mm, with a weight of 0.4 kg.
Related Models in the Same Series
| Model | Output Signal | Channels | Isolation | HART Support |
|---|---|---|---|---|
| AAI543-H03 | 4–20 mA | 16 | Yes | Yes |
| AAI543-S03 | 4–20 mA | 16 | Yes | No |
| AAI543-H05 | 4–20 mA | 16 | Yes | Yes |
| AAI543-H06 | 4–20 mA | 16 | Yes | Yes |
| AAI543-E03 | 4–20 mA | 16 | Yes | Yes |
| AAI543-F03 | 4–20 mA | 16 | Yes | Yes |
Popular Yokogawa Models
| Model | Function | Channels | Signal Type | Isolation |
|---|---|---|---|---|
| AAI141-H | Analog Input | 16 | 4–20 mA | No |
| AAV144 | Analog Input | 16 | -10 to +10 V | Yes |
| AAI841-H | Analog I/O | 8 in / 8 out | 4–20 mA | No |
| AAB842-H | Analog I/O | 8 in / 8 out | 1–5 V / 4–20 mA | No |
| AAI143-H | Analog Input | 16 | 4–20 mA | Yes |
| AAV544 | Analog Output | 16 | -10 to +10 V | Yes |
