Excellent PLC
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Yokogawa AAI143-S00 S1 is a 16-channel isolated analog input module designed to accept 4–20 mA current signals. It provides reliable signal isolation between field and control systems, ensuring high integrity in process automation. This module is used with Yokogawa’s FIO-based control systems and supports HART communication.
Technical Specifications
| Parameter | Description |
|---|---|
| Model | AAI143-S00 S1 |
| Input Channels | 16 (Isolated) |
| Input Signal | 4–20 mA |
| Input Resistance (Power ON) | 270–350 Ω (depending on current) |
| Input Resistance (Power OFF) | ≥ 500 kΩ |
| Accuracy | ±16 µA |
| Data Update Period | 10 ms |
| Step Response Time | 100 ms |
| Transmitter Power Supply | 19.0 V (min) at 20 mA, 25.5 V (max) at 0 mA |
| Max. Input Current | 24 mA |
| Withstanding Voltage | 1500 V AC (1 min) |
| Max. Current Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
| External Connections | Pressure clamp terminal, MIL/KS1 cable |
| HART Communication | Supported |
| Dimensions (W×D×H) | 107.5 × 32.8 × 130 mm |
| Weight | 0.3 kg |
Applications
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Distributed Control Systems (DCS)
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Industrial process automation
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Chemical and petrochemical plants
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Power generation systems
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Water treatment and wastewater facilities
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Batch and continuous production environments
Advantages
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Full Channel Isolation: Each input channel is galvanically isolated for enhanced safety and reliability.
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HART Compatibility: Enables digital communication with smart transmitters.
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Redundancy Support: Can be used in dual-redundant configurations.
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High Accuracy: Ensures precision in process signal acquisition.
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Universal Connectivity: Compatible with a wide range of field devices using standard current signals.
FAQ
Q1: What type of signal does the AAI143 module accept?
A1: It accepts 4–20 mA DC current signals on all 16 isolated channels.
Q2: Does the AAI143 support voltage input?
A2: No, it only supports current input.
Q3: Is HART communication supported?
A3: Yes, HART communication is supported when used with compatible node units.
Q4: Can the AAI143 be used in redundant systems?
A4: Yes, it supports dual-redundant configuration for increased reliability.
Q5: What is the isolation rating?
A5: 1500 V AC for 1 minute between input and system.
Q6: Is this module compatible with intrinsically safe applications?
A6: It can be used in such applications, but a Zener barrier must not be used; use isolation barriers instead.
Q7: What type of connector is used?
A7: It supports pressure clamp terminals, MIL connector cable, or KS1 cable.
Q8: What is the data update cycle time?
A8: The module updates its data every 10 milliseconds.
Q9: Can I configure it for both 2-wire and 4-wire transmitters?
A9: Yes, configuration is selectable per channel via setting pins.
Q10: What is the weight and size of this module?
A10: It weighs 0.3 kg and measures 107.5 × 32.8 × 130 mm.
Related Models (Same Series or Function)
| Model | Description | Channels | Input Type | Isolation | Weight | Size (mm) |
|---|---|---|---|---|---|---|
| AAI135 | Analog Input Module (Isolated) | 8 | 4–20 mA | Yes | 0.3 kg | 107.5 × 32.8 × 130 |
| AAI141 | Analog Input Module (Non-Isolated) | 16 | 4–20 mA | No | 0.2 kg | 107.5 × 32.8 × 130 |
| AAB141 | Voltage/Current Input Module (Non-Isolated) | 16 | 1–5 V / 4–20 mA | No | 0.3 kg | 107.5 × 32.8 × 130 |
| AAI841 | Analog I/O Module (Non-Isolated) | 8 in / 8 out | 4–20 mA | No | 0.3 kg | 107.5 × 32.8 × 130 |
| AAB842 | Analog I/O Module (Non-Isolated) | 8 in / 8 out | 1–5 V / 4–20 mA | No | 0.3 kg | 107.5 × 32.8 × 130 |
| AAI143-H | Analog Input Module with HART (Isolated) | 16 | 4–20 mA | Yes | 0.3 kg | 107.5 × 32.8 × 130 |
Popular Yokogawa Models
| Model | Description | Channels | Signal Type | Isolation | Weight | Size (mm) |
|---|---|---|---|---|---|---|
| AAI543 | Analog Output Module (Isolated) | 16 | 4–20 mA | Yes | 0.4 kg | 107.5 × 32.8 × 130 |
| AAV144 | Voltage Input Module (Isolated) | 16 | -10 to +10 V | Yes | 0.2 kg | 107.5 × 32.8 × 130 |
| AAV542 | Voltage Output Module (Non-Isolated) | 16 | -10 to +10 V | No | 0.2 kg | 107.5 × 32.8 × 130 |
| AAI141-H | Analog Input Module with HART (Non-Isolated) | 16 | 4–20 mA | No | 0.2 kg | 107.5 × 32.8 × 130 |
| AAT141 | TC/mV Input Module (Isolated) | 16 | TC / mV | Yes | 0.2 kg | 107.5 × 32.8 × 130 |
| AAI835 | Analog I/O Module (Isolated Channels) | 4 in / 4 out | 4–20 mA | Yes | 0.3 kg | 107.5 × 32.8 × 130 |
