Product Overview
The Yokogawa AAI143-S50/A4S10 is a 16-channel, isolated analog input module designed for use in the Yokogawa CENTUM VP system. It accepts 4 to 20 mA signals from field devices and converts them into digital signals for processing by the control system. The module supports HART communication and /fers high input accuracy, electrical isolation, and dual-redundant configuration support.
Technical Specifications
| Parameter | Specification |
|---|---|
| モデル | AAI143-S50/A4S10 |
| Input Channels | 16 (Isolated) |
| Input Signal | 4 to 20 mA DC |
| Allowable Input Current | Up to 24 mA |
| Input Resistance (Power ON) | 270 to 350 Ω |
| Input Resistance (Power OFF) | ≥500 kΩ |
| Accuracy | ±16 µA |
| Data Update Period | 10 ms |
| Withstanding Voltage | 1500 V AC for 1 minute |
| Temperature Drift | ±16 µA/10°C |
| Transmitter Power Supply | 19.0 V (min) to 25.5 V (max) |
| Max Current Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
| HART Communication | サポートed |
| External Connection | Pressure clamp, MIL connector, KS1 cable |
| Dimensions (W×D×H) | 107.5 × 32.8 × 130 mm |
| 重量 | 0.3 kg |
Applications
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Process industries: oil & gas, chemical, power generation
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Monitoring / pressure, temperature, flow, and level sensors
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Integration with DCS for real-time data acquisition
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サポートs installations requiring intrinsic safety (with isolation barriers)
Product Advantages
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Fully isolated channels ensure signal integrity
-
Compact size fits standard FIO backplanes
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HART support for intelligent field device diagnostics
-
Fast data update (10 ms) for responsive control
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Suitable for harsh industrial environments (with G3 coating option)
よくある質問 (FAQ)
Q1: How many analog inputs does the AAI143 support?
A1: The AAI143 module supports 16 isolated analog input channels.
Q2: What type / signals can the AAI143 handle?
A2: It accepts 4 to 20 mA DC current signals.
Q3: Is HART communication supported?
A3: Yes, HART protocol communication is supported on this module.
Q4: Can the module be used in redundant systems?
A4: Yes, it is compatible with dual-redundant configurations.
Q5: What is the isolation voltage between input and system?
A5: The module provides 1500 V AC isolation for 1 minute.
Q6: What are the external wiring options?
A6: It supports pressure clamp terminals, MIL connector cables, and KS1 cables.
Q7: What is the size / the AAI143 module?
A7: Its dimensions are 107.5 × 32.8 × 130 mm.
Q8: What is the typical application for this module?
A8: It’s typically used to interface field transmitters in process automation systems.
Q9: Is the module intrinsically safe?
A9: No, a Zener barrier or isolation barrier must be used for intrinsic safety.
Q10: What is the operating power requirement?
A10: It requires 5 V DC at 230 mA and 24 V DC at 540 mA.
Related モデルs (Same Series or Function)
| モデル | 説明 | Input Type | Channels | Isolation | Dimensions (mm) | 重量 |
|---|---|---|---|---|---|---|
| AAI141 | Analog Input (Non-Isolated) | 4–20 mA | 16 | No | 107.5×32.8×130 | 0.2 kg |
| AAB141 | Analog Input (Voltage/Current, Non-Isolated) | 1–5 V / 4–20 mA | 16 | No | 107.5×32.8×130 | 0.3 kg |
| AAV144 | Analog Input (Voltage, Isolated) | -10 to +10 V | 16 | Yes | 107.5×32.8×130 | 0.2 kg |
| AAI135 | Analog Input (Isolated Channels) | 4–20 mA | 8 | Yes | 107.5×32.8×130 | 0.3 kg |
| AAI543 | Analog Output Module (Isolated) | 4–20 mA | 16 | Yes | 107.5×32.8×130 | 0.4 kg |
| AAI835 | Analog I/O Module (Isolated Channels) | 4–20 mA I/O | 4/4 | Yes | 107.5×32.8×130 | 0.3 kg |
Popular Yokogawa モデルs
| モデル | 説明 | Type | Channels | Dimensions (mm) | 重量 |
|---|---|---|---|---|---|
| AAI141 | Analog Input Module (4–20 mA, Non-Isolated) | Input | 16 | 107.5×32.8×130 | 0.2 kg |
| AAI543 | Analog Output Module (4–20 mA, Isolated) | Output | 16 | 107.5×32.8×130 | 0.4 kg |
| AAT141 | Thermocouple/mV Input Module | TC/mV Input | 16 | 107.5×32.8×130 | 0.2 kg |
| AAR181 | RTD Input Module | RTD Input | 12 | 107.5×32.8×130 | 0.2 kg |
| AAI841 | Analog I/O Module (8 In / 8 Out, Non-Isolated) | Input/Output | 8/8 | 107.5×32.8×130 | 0.3 kg |
| AAV544 | Analog Output Module (-10 to +10 V, Isolated) | Voltage Output | 16 | 107.5×32.8×130 | 0.2 kg |
会社情報
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