Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Yokogawa AAI143-S00/K4A00 is a 16-channel, isolated analog input module designed for precise current signal acquisition in control systems. It supports 4 to 20 mA DC input signals and offers HART communication functionality for enhanced device diagnostics and configuration. This module is typically used in field control systems requiring high signal integrity and electrical isolation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI143-S00/K4A00 |
| Input Channels | 16 (Isolated) |
| Input Signal | 4 to 20 mA DC |
| Input Resistance (Power ON) | 270 Ω (20 mA) to 350 Ω (4 mA) |
| Input Resistance (Power OFF) | ≥ 500 kΩ |
| Allowable Input Current | Max. 24 mA |
| Accuracy | ±16 µA |
| Temperature Drift | ±16 µA/10°C |
| Data Update Period | 10 ms |
| Withstanding Voltage | 1500 V AC (1 min) between input and system |
| Transmitter Power Supply | 19.0 V (min at 20 mA), 25.5 V (max at 0 mA), limit 25 mA |
| Maximum Current Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
| HART Communication | Supported |
| External Connection | Pressure clamp terminal, MIL connector, KS cable |
| Dimensions (W × H × D) | 107.5 × 32.8 × 130 mm |
| Weight | 0.3 kg |
Applications
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Process control systems in refineries and petrochemical plants
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Power generation plants (including renewables and fossil fuel)
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Water and wastewater treatment facilities
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Pulp and paper manufacturing
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Pharmaceutical and biotechnology automation
Product Advantages
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Channel Isolation: Improves signal integrity and prevents ground loop issues.
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High Accuracy: ±16 µA accuracy for precision analog measurement.
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HART Protocol Support: Enables real-time device diagnostics and configuration.
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Wide Compatibility: Compatible with multiple FCS systems such as AFV, AFG, AFF series.
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Flexible Terminal Options: Supports KS cable and pressure clamp terminals.
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Redundancy Support: Operates in dual-redundant configurations.
FAQs
Q1: How many input channels does the AAI143-S00/K4A00 module support?
A1: It supports 16 isolated current input channels.
Q2: What type of input signals can it handle?
A2: It handles 4 to 20 mA DC current signals.
Q3: Is HART communication supported?
A3: Yes, it supports HART communication for enhanced field device integration.
Q4: What is the power consumption of the module?
A4: It consumes 230 mA at 5 V DC and 540 mA at 24 V DC.
Q5: Can this module be used with 2-wire transmitters?
A5: Yes, each channel supports 2-wire or 4-wire transmitters via pin setting.
Q6: Is the module suitable for hazardous area applications?
A6: Yes, when used with an isolation barrier (Zener barriers are not allowed).
Q7: What is the update rate of the data from this module?
A7: Data is updated every 10 milliseconds.
Q8: What systems is this module compatible with?
A8: Compatible with Yokogawa field control units like AFV30, AFV40, AFF50, and AFG series.
Q9: What’s the isolation voltage rating?
A9: 1500 V AC between input and system for one minute.
Q10: How is the module connected externally?
A10: Via pressure clamp terminal block, MIL connector, or KS cable interface.
Related or Same-Series Models
| Model | Input Type | Channels | Isolation | HART Support | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|
| AAI135 | 4–20 mA Current | 8 | Yes | Yes | 107.5×32.8×130 | 0.3 kg |
| AAI141 | 4–20 mA Current | 16 | No | Yes | 107.5×32.8×130 | 0.2 kg |
| AAB141 | 1–5 V / 4–20 mA | 16 | No | Yes | 107.5×32.8×130 | 0.3 kg |
| AAI841 | 4–20 mA (I/O) | 8/8 | No | Yes | 107.5×32.8×130 | 0.3 kg |
| AAV144 | -10 to +10 V | 16 | Yes | No | 107.5×32.8×130 | 0.2 kg |
| AAI543 | 4–20 mA Output | 16 | Yes | Yes | 107.5×32.8×130 | 0.4 kg |
Popular Yokogawa Models
| Model | Description | Type | Channels | HART | Dimensions (mm) | Weight |
|---|---|---|---|---|---|---|
| AAI143 | Analog Input Module (Isolated) | Analog Input | 16 | Yes | 107.5×32.8×130 | 0.3 kg |
| AAI543 | Analog Output Module (Isolated) | Analog Output | 16 | Yes | 107.5×32.8×130 | 0.4 kg |
| AAV144 | Voltage Input Module (Isolated) | Analog Input | 16 | No | 107.5×32.8×130 | 0.2 kg |
| AAT141 | Thermocouple/mV Input Module | TC/mV Input | 16 | No | 107.5×32.8×130 | 0.2 kg |
| AAI135 | Analog Input Module (Isolated Channels) | Analog Input | 8 | Yes | 107.5×32.8×130 | 0.3 kg |
| AAI835 | Analog I/O Module (Isolated Channels) | Analog I/O | 4/4 | Yes | 107.5×32.8×130 | 0.3 kg |
