Product الوصف
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 immوحدةy and reliable signal integrity in industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| الطراز | AAI143-S50/K4A00 |
| Number من 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 | الدعمed |
| 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 |
| الوزن | 0.3 kg |
Applications
-
Industrial process control systems
-
Distributed control systems (DCS)
-
SCADA systems
-
Smart instrumentation integration
-
Oil & gas, chemical, power plants
Advantages
-
High precision current signal processing
-
Full channel isolation enhances signal integrity
-
Fast data acquisition with 10 ms update rate
-
HART compatibility for smart device diagnostics
-
Compact size suitable for dense installations
-
الدعمs both 2-wire and 4-wire transmitter setups
FAQ – الأسئلة الشائعة
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 منfers high-resolution readings with a data update period من 10 ms.
5. What types من 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 من 25 mA.
8. What’s the typical use case من 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 وحدة handle signal noise or ground loops?
Isolation between channels and system effectively eliminates ground loops and external interference.
Related Yokogawa الطرازs (Same Series)
| الطراز | Input/Output Type | Channels | Isolation | Dimensions (mm) | الوزن |
|---|---|---|---|---|---|
| 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 الطرازs
| الطراز | Function | Channels | Communication | Dimensions (mm) | الوزن |
|---|---|---|---|---|---|
| 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 |
معلومات الشركة
E-mail: [email protected]
Mobile：يرجى الاتصال عبر البريد الإلكتروني
Whatsapp：يرجى الاتصال عبر البريد الإلكتروني
Add: مبنع أليشان، 2 طريق لفلينج، منطقة سيمينغ، شيامن، فوجيان، الصين، 361006
خدماتنا
نحن متخصصون في توفير قطع الأتمتة الصناعية مع ضمان لمدة عام واحد. قطع الأتمتة الصناعية لدينا تباع في جميع أنحاء العالم.
يمكننا توفير المعدات وقطع الغيار من مختلف البلدان والشركات المصنعة، وحل مخاوفكم أو مشاكل الجودة في أماكن متعددة، مع ميزة سعرية كبيرة.
نرحب باتصالك للحصول على مزيد من التفاصيل حول المنتجات.
