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- Yokogawa
- AAI143-HM0
- Analog Input Module
- Japan
- 3.2 × 10.6 × 13 cm
- 0.32kg
- Xiamen, China
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📘 Product Overview
Model: AAI143-HM0
Brand: Yokogawa
Series: AAI Series (Analog Input Module)
Type: Isolated Analog Input Module, HART-compatible, 16 Channels
The Yokogawa AAI143-HM0 is a robust, isolated analog input module used in industrial Distributed Control Systems (DCS). It supports 16 channels and provides high accuracy for 4–20 mA current signals, commonly used in field transmitters. Designed for complex process automation tasks, this module supports HART communication, ensuring flexibility, diagnostics, and reduced maintenance through smart device integration.
The AAI143-HM0 is known for its high isolation, low noise interference, fast signal processing, and compatibility with both 2-wire and 4-wire transmitters. It is a key component in high-reliability industrial control systems.
📐 Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AAI143-HM0 |
| Input Channels | 16 (individually isolated) |
| Input Signal Type | 4–20 mA DC |
| Input Resistance | 250 Ω (typical) |
| Accuracy | ±16 µA or better |
| HART Support | Yes (supports HART pass-through for each channel) |
| Isolation | 1500 V AC between input and system |
| Channel Type | Supports both 2-wire and 4-wire transmitters |
| Update Rate | 10 ms/channel |
| Diagnostics | Signal disconnection, overcurrent, short circuit, HART communication errors |
| Temperature Range (Operation) | –20°C to +70°C |
| Temperature Range (Storage) | –40°C to +85°C |
| Power Supply | 5 V DC, 24 V DC |
| Power Consumption | 230 mA @ 5V, 500 mA @ 24V |
| Mounting Type | Rack/DIN rail |
| Terminal Type | Detachable screw terminals |
| Dimensions | 3.2 × 10.6 × 13 cm |
| Weight | 0.32 kg |
| Certifications | CE, RoHS, SIL (when applicable) |
🏭 Applications
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Petrochemical Plants: For monitoring pressure, flow, temperature in hazardous zones.
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Power Generation: Data collection from field sensors in boilers, turbines, and environmental units.
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Water Treatment: Monitoring pump stations, chemical dosing, tank levels.
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Pharmaceutical Manufacturing: Accurate analog data from cleanroom instrumentation.
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Food and Beverage: Real-time analog process data collection for fermentation, mixing, and packaging.
🌟 Key Advantages
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High Channel Density: 16 isolated analog inputs in a single module reduces cabinet space and system complexity.
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HART Compatibility: Enables remote calibration, monitoring, and diagnostics with HART-enabled transmitters.
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Robust Isolation: 1500V isolation prevents ground loops and protects the system from electrical faults.
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Wide Temperature Range: Stable performance from –20°C to +70°C ensures field reliability.
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Field Proven: Designed and field-tested for Yokogawa’s control platforms in various global industries.
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Quick Response Time: Fast 10 ms scanning per channel ensures timely process data availability.
🔁 Related Models in the Same Series
| Model | Description | Channels | HART Support | Dimensions (cm) | Weight (kg) |
|---|---|---|---|---|---|
| AAI143-HM0 | 16-Channel Analog Input with HART | 16 | Yes | 3.2 × 10.6 × 13 | 0.32 |
| AAI143-H00 | 16-Channel Analog Input without HART | 16 | No | 3.2 × 10.6 × 13 | 0.30 |
| AAI143-H53 | High-performance Analog Input w/ HART | 16 | Yes | 3.2 × 10.6 × 13 | 0.30 |
| AAI135-H00 | 8-Channel Analog Input, enhanced insulation | 8 | No | 3.2 × 10.6 × 13 | 0.28 |
| AAI835-H50 | SIL2 certified, redundant analog input module | 8 | Yes | 3.2 × 10.6 × 13 | 0.34 |
🔝 Popular Yokogawa Modules (Across Categories)
| Model | Function | Channels | Signal Type | Dimensions (cm) | Weight (kg) |
|---|---|---|---|---|---|
| AAI143-HM0 | Analog Input Module (HART) | 16 | 4–20 mA | 3.2 × 10.6 × 13 | 0.32 |
| AV132-H00 | Analog Output Module | 8 | 4–20 mA | 3.2 × 10.6 × 13 | 0.30 |
| AD132-H00 | Digital Input Module | 32 | Dry Contact | 3.2 × 10.6 × 13 | 0.25 |
| AS135-H00 | Digital Output Module | 32 | Relay Output | 3.2 × 10.6 × 13 | 0.28 |
| A2PW503-S0002 | Power Supply Module | – | – | 4.0 × 12.0 × 14 | 0.60 |
❓ FAQ – Frequently Asked Questions (Q&A)
Q1: What does the AAI143-HM0 module do?
A1: It collects analog signals (4–20 mA) from field transmitters and converts them to digital signals for the control system.
Q2: Is the AAI143-HM0 HART-enabled?
A2: Yes, it supports HART communication on all 16 input channels.
Q3: Can I use both 2-wire and 4-wire transmitters?
A3: Yes, this module is compatible with both types.
Q4: How many channels are available?
A4: It offers 16 individually isolated analog input channels.
Q5: What’s the input signal range?
A5: The input signal range is standard 4–20 mA DC.
Q6: What kind of isolation is provided?
A6: Each channel is isolated from others and the system by 1500 V AC.
Q7: What’s the physical size and weight?
A7: The module measures 3.2 × 10.6 × 13 cm and weighs 0.32 kg.
Q8: Is it compatible with all Yokogawa systems?
A8: It is designed for integration into Yokogawa DCS and safety systems.
Q9: Does it have signal diagnostics?
A9: Yes, it can detect open circuits, shorts, and HART communication issues.
Q10: What’s the operating temperature range?
A10: From –20°C to +70°C, suitable for harsh industrial environments.