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Product Overview
The Yokogawa AAI143-S03 S1 Analog Input Module is a high-performance I/O component designed for accurate and reliable data acquisition in industrial automation systems. As part of Yokogawa’s CENTUM CS 3000 and ProSafe-RS systems, this module provides precise analog signal processing with excellent noise immunity and high-resolution conversion. It supports various input types and is widely used in process industries such as oil & gas, petrochemical, and power generation.
Key Features
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16-channel isolated analog input module
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Supports multiple input types (1–5 V, 4–20 mA, 0–10 V)
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High-resolution 16-bit A/D conversion
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Channel-to-channel and channel-to-ground isolation
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Integrated diagnostics and error detection
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Hot-swappable design for minimal downtime
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Compatible with Yokogawa’s Vnet/IP and FIO systems
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Ideal for safety-critical and continuous process applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | AAI143-S03 S1 |
| Module Type | Analog Input Module |
| Number of Channels | 16 isolated analog input channels |
| Input Signal Types | 4–20 mA, 1–5 V, 0–10 V |
| Input Resistance | 250 Ω (for current), 1 MΩ or more (for voltage) |
| A/D Conversion | 16-bit resolution |
| Accuracy | ±0.1% of full scale |
| Isolation | Channel-to-channel and channel-to-ground |
| Diagnostics | Wire break detection, input range error |
| Hot Swap Capability | Supported |
| Operating Voltage | Supplied via FIO base unit |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | –20 °C to +70 °C |
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.3 kg |
| Mounting Type | Mounted on FIO base unit |
| Certifications | CE, KC, and other international approvals |
Industry Applications
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Distributed control systems (DCS) in process automation
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Oil & gas plant instrumentation
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Chemical and petrochemical process monitoring
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Power generation plant control systems
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Pharmaceutical and food & beverage manufacturing
Frequently Asked Questions (FAQ)
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What is the primary function of the AAI143-S03 S1?
It collects and digitizes analog signals from field instruments for processing by a DCS. -
How many channels does the module support?
It supports 16 isolated analog input channels. -
What types of signals are accepted?
It supports standard 4–20 mA current and 1–5 V or 0–10 V voltage signals. -
Is it compatible with hot-swapping?
Yes, it supports hot-swapping to allow maintenance without shutting down the system. -
What kind of isolation does it provide?
The module offers both channel-to-channel and channel-to-ground isolation. -
Can it detect wire break conditions?
Yes, it includes diagnostics for wire break and input error detection. -
What is the resolution of the A/D converter?
The module features a 16-bit resolution A/D converter. -
Is it certified for international use?
Yes, it carries CE, KC, and other international certifications. -
What is the recommended installation method?
It is designed to be mounted on a Yokogawa FIO base unit. -
Is this module used in safety systems?
Yes, it is suitable for use in safety and mission-critical systems like ProSafe-RS.
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