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- Yokogawa
- SAI143-S03
- Analog Input Module
- Japan
- 107 mm × 130 mm × 32 mm
- 0.5kg
- Xiamen, China
- New & In Stock
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Industrial Analog Input Module – SAI143-S03
Product Overview
The SAI143-S03 is a high-performance industrial analog input module designed for process automation, signal acquisition, and distributed control applications. It is engineered to receive analog current signals from field instruments and convert them into digital information that can be processed by industrial control systems.
As a member of the SAI143 analog input module family, this model is intended for continuous operation in demanding industrial environments where stable data collection and reliable system performance are essential. The module supports precise monitoring of critical process variables such as pressure, temperature, flow, level, density, and other analog measurements commonly found in industrial facilities.
The S03 configuration is designed to provide dependable signal processing, excellent noise immunity, and long-term operational stability, making it suitable for mission-critical control systems that require uninterrupted operation.
Brand
| Item | Information |
|---|---|
| Brand | Yokogawa |
| Product Category | Industrial Automation Module |
| Product Type | Analog Input Module |
| Industry Focus | Process Automation and Control |
| Application Level | Industrial and Plant-Wide Control Systems |
Product Series
| Item | Description |
|---|---|
| Series | SAI143 Series |
| Module Category | Analog Input Module |
| System Type | Distributed Control System (DCS) |
| Installation Method | Rack-Mounted Module |
| Signal Type | Analog Current Input |
| Design Purpose | Process Data Acquisition |
| Architecture | Modular I/O System |
The SAI143 series is designed to collect analog signals from field devices and provide accurate digital information to automation platforms. These modules are frequently used in process industries where precise measurement and continuous monitoring are required.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SAI143-S03 |
| Module Type | Analog Input Module |
| Input Signal | 4–20 mA DC |
| Supported Range | 0–20 mA / 4–20 mA |
| Number of Input Channels | 16 Channels |
| Input Isolation | Channel-to-Channel Isolation |
| Signal Conversion | Analog to Digital Conversion |
| Resolution | 16-bit Equivalent |
| Sampling Method | Cyclic Scanning |
| Communication Method | System Backplane Communication |
| Diagnostic Function | Module Self-Diagnostics |
| Open Circuit Detection | Supported |
| Power Supply | Via System Backplane |
| Mounting Method | Rack Installation |
| Protection Design | Industrial EMC Protection |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | 5%–95% RH Non-Condensing |
| Environmental Resistance | Industrial Grade |
| Dimensions | Approx. 107 mm × 130 mm × 32 mm |
| Weight (kg) | Approx. 0.50 kg |
Product Features
High Accuracy Signal Acquisition
The SAI143-S03 is capable of collecting analog signals from multiple field devices simultaneously. Its advanced signal conversion architecture ensures accurate measurement and stable performance even under fluctuating industrial conditions.
Stable Industrial Performance
The module is engineered for long-term operation in environments affected by vibration, electrical interference, and temperature changes. Its design minimizes signal distortion and enhances operational reliability.
Multi-Channel Design
With support for up to sixteen analog input channels, the module enables centralized data acquisition while reducing overall cabinet space requirements.
Excellent Noise Immunity
Industrial facilities often contain motors, drives, transformers, and high-power electrical equipment that generate electromagnetic interference. The SAI143-S03 incorporates filtering and isolation technologies that help maintain signal integrity.
Modular Architecture
The module can be easily integrated into larger automation systems and replaced without extensive modifications to the control infrastructure.
Applications
The SAI143-S03 is widely used across multiple industries that require accurate analog signal monitoring.
Oil and Gas Industry
Used for collecting process variables from pressure transmitters, flow meters, temperature sensors, and level measurement devices throughout upstream, midstream, and downstream operations.
Petrochemical Plants
Supports continuous monitoring of production units, reactors, storage systems, and refining processes where precise analog measurement is essential.
Power Generation Facilities
Applied in thermal, hydroelectric, and combined-cycle power plants for monitoring operational parameters and maintaining process efficiency.
Water and Wastewater Treatment
Used for monitoring water levels, flow rates, pressure systems, chemical dosing processes, and filtration equipment.
Steel and Metallurgical Plants
Supports process automation by collecting real-time data from sensors operating in harsh manufacturing environments.
Pharmaceutical Manufacturing
Provides accurate monitoring of critical production variables to help maintain product quality and process consistency.
Food and Beverage Production
Used in automated production lines requiring stable monitoring of temperature, pressure, and liquid levels.
Chemical Processing Industry
Assists in controlling and optimizing complex production processes that rely on precise analog measurements.
Product Advantages
Reliable Continuous Operation
Designed for around-the-clock industrial operation with high reliability and minimal maintenance requirements.
High Measurement Precision
Provides stable and accurate analog signal acquisition for process-critical applications.
Reduced System Downtime
Modular construction allows quick replacement and maintenance, minimizing interruptions to production.
Strong Environmental Adaptability
Capable of operating in industrial environments with electrical noise, vibration, and changing temperatures.
Improved System Scalability
The module can be integrated into both small and large automation systems, allowing future expansion when needed.
Enhanced Signal Integrity
Built-in isolation technology helps prevent signal interference and improves overall measurement reliability.
Long Service Life
Industrial-grade components contribute to extended operational life and dependable long-term performance.
Recommended Related Models (Same Series or Similar Products)
| Model | Channels | Input Type | Resolution | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| SAI141-S03 | 8 | 4–20 mA | 16-bit | 107 × 130 × 32 mm | 0.45 |
| SAI142-S03 | 16 | 4–20 mA | 16-bit | 107 × 130 × 32 mm | 0.48 |
| SAI144-S03 | 16 | Multi-Range Analog | 16-bit | 107 × 130 × 32 mm | 0.52 |
| SAI145-S03 | 16 | Analog Input with Diagnostics | 16-bit | 107 × 130 × 32 mm | 0.56 |
| SAI146-S03 | 16 | Enhanced Analog Acquisition | 16-bit | 107 × 130 × 32 mm | 0.58 |
Recommended Popular Models from the Same Brand
| Model | Product Type | Main Function | Dimensions | Weight (kg) |
|---|---|---|---|---|
| AAI141 | Analog Input Module | Process Signal Acquisition | 100 × 120 × 30 mm | 0.40 |
| AAI543 | High Precision Analog Input Module | High Accuracy Measurement | 100 × 120 × 30 mm | 0.42 |
| AAR181 | Analog Output Module | Process Signal Output | 100 × 120 × 30 mm | 0.40 |
| ADV551 | Digital Output Module | Industrial Control Output | 110 × 130 × 30 mm | 0.45 |
| ADI151 | Digital Input Module | Digital Signal Monitoring | 110 × 130 × 30 mm | 0.45 |
Conclusion
The SAI143-S03 is a robust industrial analog input module developed for demanding automation environments where accurate signal acquisition, long-term reliability, and operational stability are critical. Its multi-channel architecture, industrial-grade design, and strong resistance to electrical interference make it suitable for a broad range of process industries.
With support for continuous operation, advanced signal handling capabilities, and seamless integration into distributed control systems, the SAI143-S03 remains a practical solution for facilities seeking dependable analog data acquisition and process monitoring performance.