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- Yokogawa
- SAI143-S03 S1
- 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 S1
Product Overview
The SAI143-S03 S1 is a high-performance industrial analog input module designed for distributed control systems, process automation platforms, and industrial data acquisition applications. The module is responsible for receiving analog current signals from field devices and converting them into digital information that can be processed by automation controllers and monitoring systems.
As a member of the SAI143 series, the SAI143-S03 S1 is developed to provide reliable signal acquisition, excellent measurement stability, and long-term operational performance in demanding industrial environments. The S1 designation represents a specific hardware revision optimized for stable operation, improved diagnostic capability, and enhanced system compatibility.
This module is widely used in facilities where process variables such as pressure, flow, temperature, level, density, and analytical measurements must be continuously monitored and controlled. Its industrial-grade construction allows it to perform reliably under conditions involving vibration, electrical interference, humidity, and temperature fluctuations.
Brand Information
| Item | Details |
|---|---|
| Brand | Yokogawa |
| Product Category | Industrial Automation Module |
| Product Type | Analog Input Module |
| Application Field | Process Automation |
| System Compatibility | Distributed Control Systems |
| Industry Focus | Continuous Process Industries |
Product Series
| Item | Description |
|---|---|
| Series Name | SAI143 Series |
| Series Type | Analog Input Module Family |
| System Architecture | Modular I/O System |
| Installation Method | Rack-Mounted |
| Signal Type | Analog Current Input |
| Main Function | Signal Acquisition and Conversion |
| Application Environment | Industrial Automation Systems |
The SAI143 Series is designed to provide accurate analog signal acquisition for industrial control systems. These modules support real-time monitoring and control by collecting data from field instruments and transmitting the information to process controllers.
The series is known for its reliability, modularity, ease of maintenance, and ability to operate continuously in mission-critical industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SAI143-S03 S1 |
| Module Type | Analog Input Module |
| Input Signal Type | 4–20 mA DC |
| Supported Input Range | 0–20 mA / 4–20 mA |
| Number of Input Channels | 16 Channels |
| Analog Resolution | 16-bit Equivalent |
| Conversion Method | Analog-to-Digital Conversion |
| Isolation Type | Channel-to-Channel Isolation |
| Signal Processing | Multi-Channel Scanning |
| Communication Interface | Backplane Communication |
| Diagnostic Functions | Self-Monitoring and Fault Detection |
| Open Circuit Detection | Supported |
| Mounting Method | Rack Installation |
| Power Supply | Via Control System Backplane |
| EMC Protection | Industrial Grade |
| Noise Immunity | High Resistance to Electromagnetic Interference |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | 5%–95% RH Non-Condensing |
| Environmental Protection | Industrial Application Grade |
| Dimensions | Approx. 107 mm × 130 mm × 32 mm |
| Weight (kg) | Approx. 0.50 kg |
Product Introduction
The SAI143-S03 S1 is engineered to acquire analog current signals generated by field transmitters and instrumentation devices. These signals are converted into digital values and transmitted to the control system for monitoring, analysis, and process control.
The module is particularly suitable for industries where process reliability and data accuracy are critical. Through its multi-channel architecture, the module enables centralized acquisition of numerous field signals while reducing wiring complexity and cabinet space requirements.
Its design incorporates advanced isolation technology that minimizes signal interference and helps maintain measurement accuracy. The module also supports diagnostic functions that assist maintenance personnel in identifying faults before they affect plant operations.
The S1 revision improves overall hardware stability and enhances compatibility with long-term industrial automation deployments.
Product Applications
The SAI143-S03 S1 is suitable for a broad range of industrial sectors.
Oil and Gas Industry
Used for monitoring pressure transmitters, flow meters, tank level sensors, and temperature measurement devices across production, transportation, and refining facilities.
Petrochemical Industry
Supports process control systems in reactors, distillation units, storage terminals, and chemical processing equipment.
Power Generation Plants
Applied in thermal, hydroelectric, combined-cycle, and renewable energy facilities for real-time process monitoring and equipment protection.
Water Treatment Facilities
Monitors water flow, chemical dosing systems, filtration equipment, pressure levels, and treatment process variables.
Steel and Metallurgical Production
Collects critical process measurements used in blast furnaces, rolling mills, casting systems, and material processing operations.
Pharmaceutical Manufacturing
Supports production environments requiring precise monitoring of process parameters and strict operational consistency.
Chemical Processing Plants
Provides accurate analog signal acquisition for production systems requiring continuous process optimization.
Food and Beverage Industry
Used in automated production environments where temperature, pressure, and liquid level monitoring are required.
Product Advantages
High Reliability
Designed for continuous operation in industrial environments where downtime can significantly affect production efficiency.
Excellent Measurement Accuracy
Advanced signal conversion technology ensures accurate acquisition of process variables across multiple channels.
Strong Anti-Interference Capability
Built-in isolation and EMC protection technologies minimize the effects of electrical noise and industrial interference.
Multi-Channel Efficiency
Supports multiple analog inputs within a single module, reducing installation complexity and saving cabinet space.
Easy Maintenance
Modular architecture allows quick replacement and simplified maintenance procedures.
Long Operational Life
Industrial-grade components contribute to long service life and dependable operation under demanding conditions.
Enhanced System Diagnostics
Integrated monitoring functions help identify abnormal conditions and support predictive maintenance strategies.
Flexible System Integration
Compatible with large-scale distributed control systems and expandable automation architectures.
Recommended Related Models (Same Series or Similar Models)
| Model | Channels | Input Type | Resolution | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| SAI141-S03 S1 | 8 | 4–20 mA | 16-bit | 107 × 130 × 32 mm | 0.45 |
| SAI142-S03 S1 | 16 | 4–20 mA | 16-bit | 107 × 130 × 32 mm | 0.48 |
| SAI144-S03 S1 | 16 | Multi-Range Analog | 16-bit | 107 × 130 × 32 mm | 0.52 |
| SAI145-S03 S1 | 16 | Analog Input with Diagnostics | 16-bit | 107 × 130 × 32 mm | 0.56 |
| SAI146-S03 S1 | 16 | Enhanced Signal 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 | Standard 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 Signal Output | 110 × 130 × 30 mm | 0.45 |
| ADI151 | Digital Input Module | Digital Signal Monitoring | 110 × 130 × 30 mm | 0.45 |
Conclusion
The SAI143-S03 S1 is a robust industrial analog input module developed for high-reliability automation systems that require accurate signal acquisition, stable performance, and long-term operational dependability.
With sixteen-channel analog input capability, industrial-grade isolation technology, advanced diagnostic functions, and a modular rack-mounted design, the module is well suited for modern process industries. Its ability to operate continuously under demanding environmental conditions makes it an effective solution for facilities seeking dependable process monitoring, efficient maintenance, and stable automation performance over an extended service life.