Product Beschreibung
The Yokogawa AAI143-S50/K4A00 is a 16-channel isolated analog input module designed for precise current input signal acquisition (4–20 mA). It is compatible with Yokogawa’s field control systems and supports HART communication for smart instrumentation. With built-in channel isolation, it ensures noise immStücky and reliable signal integrity in industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Modell | AAI143-S50/K4A00 |
| Number von Channels | 16 isolated channels |
| Input Signal | 4 to 20 mA DC |
| Input Resistance (Power ON) | 270 Ω (at 20 mA) to 350 Ω (at 4 mA) |
| Input Resistance (Power OFF) | 500 kΩ or higher |
| Allowable Input Current | 24 mA |
| Accuracy | ±16 µA |
| Drift (Ambient Temp. Change) | ±16 µA / 10 °C |
| Data Update Period | 10 ms |
| Withstanding Voltage | 1500 V AC (input to system, 1 min) |
| Transmitter Power Supply | 19.0 V or higher (at 20 mA), max 25.5 V, 25 mA |
| HART Communication | Supported |
| Power Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
| External Connection | KS cable, MIL connector, pressure clamp terminals |
| Dimensions (W×D×H) | 107.5 × 32.8 × 130 mm |
| Gewicht | 0.3 kg |
Applications
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Industrial process control systems
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Distributed control systems (DCS)
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SCADA systems
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Smart instrumentation integration
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Oil & gas, chemical, power plants
Advantages
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High precision current signal processing
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Full channel isolation enhances signal integrity
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Fast data acquisition with 10 ms update rate
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HART compatibility for smart device diagnostics
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Compact size suitable for dense installations
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Supports both 2-wire and 4-wire transmitter setups
FAQ – Häufig gestellte Fragen
1. What is the input signal range supported by AAI143-S50/K4A00?
The module accepts 4 to 20 mA DC current input signals.
2. Is the AAI143 module electrically isolated?
Yes, all 16 input channels are individually isolated from each other and from the system.
3. Does it support HART communication?
Yes, the AAI143-S50/K4A00 supports HART protocol for enhanced device communication.
4. What is the resolution and update time?
It vonfers high-resolution readings with a data update period von 10 ms.
5. What types von external devices can it connect to?
It can connect to 2-wire or 4-wire transmitters and is compatible with KS cable, MIL connectors, or pressure clamp terminals.
6. Can the module be used in redundant systems?
Yes, it supports dual-redundant configurations for high availability.
7. What is the power supply requirement for the transmitters?
It provides 19.0 V or more at 20 mA with a maximum current limit von 25 mA.
8. What’s the typical use case von this module?
Used in critical industries like oil & gas, petrochemical, and manufacturing to capture analog current signals.
9. Is this module suitable for hazardous environments?
Yes, with explosion protection options available as per suffix codes.
10. How does the Stück handle signal noise or ground loops?
Isolation between channels and system effectively eliminates ground loops and external interference.
Related Yokogawa Modells (Same Series)
| Modell | Input/Output Type | Channels | Isolation | Dimensions (mm) | Gewicht |
|---|---|---|---|---|---|
| AAI141 | Analog Input (4–20 mA) | 16 | No | 107.5 × 32.8 × 130 | 0.2 kg |
| AAV144 | Analog Input (-10 to +10 V) | 16 | Yes | 107.5 × 32.8 × 130 | 0.2 kg |
| AAI543 | Analog Output (4–20 mA) | 16 | Yes | 107.5 × 32.8 × 130 | 0.4 kg |
| AAI135 | Analog Input (4–20 mA, isolated ch.) | 8 | Yes | 107.5 × 32.8 × 130 | 0.3 kg |
| AAI841 | Analog I/O (8 In / 8 Out, 4–20 mA) | 16 | No | 107.5 × 32.8 × 130 | 0.3 kg |
| AAB141 | Analog Input (1–5 V / 4–20 mA) | 16 | No | 107.5 × 32.8 × 130 | 0.3 kg |
Popular Yokogawa Modells
| Modell | Function | Channels | Communication | Dimensions (mm) | Gewicht |
|---|---|---|---|---|---|
| AAI143 | Analog Input (4–20 mA, Isolated) | 16 | HART | 107.5 × 32.8 × 130 | 0.3 kg |
| AAI543 | Analog Output (4–20 mA, Isolated) | 16 | HART | 107.5 × 32.8 × 130 | 0.4 kg |
| AAV144 | Analog Input (-10 to +10 V, Isolated) | 16 | No | 107.5 × 32.8 × 130 | 0.2 kg |
| AAI135 | Analog Input (Isolated Channels) | 8 | HART | 107.5 × 32.8 × 130 | 0.3 kg |
| AAT141 | TC/mV Input Module | 16 | No | 107.5 × 32.8 × 130 | 0.2 kg |
| AAI835 | Analog I/O (4 In / 4 Out, Isolated) | 8 | HART | 107.5 × 32.8 × 130 | 0.3 kg |
Unternehmensinformationen
E-mail: [email protected]
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Add: Alishan Building, 2 Lvling Rd, Bezirk Siming, Xiamen, Fujian, China, 361006
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