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- Yokogawa
- SAI143-S03/K4A00
- 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/K4A00
Product Overview
The SAI143-S03/K4A00 is a high-performance industrial analog input module developed for process automation, distributed control systems, and industrial signal acquisition applications. The module is designed to receive analog current signals from field instruments and convert them into digital data that can be utilized by process control systems, monitoring platforms, and plant-wide automation architectures.
As part of the SAI143 series, the SAI143-S03/K4A00 provides stable signal processing, reliable data acquisition, and long-term operational performance. The K4A00 configuration represents a specialized version optimized for enhanced system compatibility, signal integrity, and dependable operation in complex industrial environments.
This module is suitable for continuous operation in industries where process measurements such as temperature, pressure, flow, level, density, and analytical variables must be accurately monitored and controlled.
Brand Information
| Item | Details |
|---|---|
| Brand | Yokogawa |
| Product Category | Industrial Automation Module |
| Product Type | Analog Input Module |
| Application Area | Process Control and Automation |
| System Architecture | Distributed Control System |
| Industry Focus | Continuous Process Industries |
Product Series
| Item | Description |
|---|---|
| Series Name | SAI143 Series |
| Series Type | Analog Input Module Family |
| Installation Method | Rack-Mounted |
| Signal Type | Analog Current Input |
| Function | Signal Acquisition and Monitoring |
| System Integration | Distributed Control Systems |
| Design Concept | Modular Industrial I/O Architecture |
The SAI143 series is designed to provide accurate and reliable analog signal acquisition across a wide range of industrial applications. The series supports centralized monitoring of multiple field devices while maintaining excellent signal integrity and long-term operational stability.
The modular architecture allows easy system expansion, simplified maintenance, and efficient integration into large automation infrastructures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SAI143-S03/K4A00 |
| Module Type | Analog Input Module |
| Input Signal Type | 4–20 mA DC |
| Supported Input Range | 0–20 mA / 4–20 mA |
| Number of Channels | 16 Channels |
| Resolution | 16-bit Equivalent |
| Conversion Method | Analog-to-Digital Conversion |
| Isolation Method | Channel-to-Channel Isolation |
| Signal Scanning | Continuous Cyclic Scanning |
| Communication Interface | System Backplane Communication |
| Diagnostic Functions | Self-Monitoring and Fault Detection |
| Open Circuit Detection | Supported |
| Noise Protection | High EMC Immunity |
| Mounting Method | Rack Installation |
| Power Supply | Backplane Powered |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | 5%–95% RH Non-Condensing |
| Environmental Rating | Industrial Grade |
| Configuration Option | K4A00 Hardware Variant |
| Dimensions | Approx. 107 mm × 130 mm × 32 mm |
| Weight (kg) | Approx. 0.50 kg |
Product Introduction
The SAI143-S03/K4A00 is engineered to provide accurate acquisition of analog current signals generated by industrial transmitters and measurement devices. The module continuously converts incoming signals into digital values that can be processed by control systems for monitoring, alarming, trend analysis, and automated control functions.
The module incorporates industrial-grade signal conditioning technology designed to minimize measurement errors and maintain signal stability. Through advanced isolation mechanisms, it protects process data from interference caused by electrical noise, grounding issues, and industrial power equipment.
Its K4A00 configuration enhances operational flexibility and provides optimized compatibility with demanding automation systems. This makes the module suitable for applications where long-term reliability and stable data collection are essential.
The compact modular design allows the module to be installed easily within rack-based automation systems while reducing maintenance complexity and supporting future system expansion.
Product Applications
The SAI143-S03/K4A00 is widely used across industries that depend on accurate analog signal acquisition and continuous process monitoring.
Oil and Gas Industry
Used to collect data from pressure transmitters, flow meters, temperature sensors, tank level instruments, and process analyzers throughout production and refining facilities.
Petrochemical Industry
Supports real-time monitoring of chemical reactors, distillation units, storage systems, blending processes, and production lines.
Power Generation
Applied in thermal, hydroelectric, renewable energy, and combined-cycle power plants to monitor critical operational parameters.
Water and Wastewater Treatment
Monitors flow systems, chemical dosing equipment, filtration units, reservoir levels, and pressure management systems.
Metallurgical Industry
Provides signal acquisition for blast furnaces, casting lines, rolling mills, and industrial heating systems.
Pharmaceutical Manufacturing
Supports highly controlled production environments requiring precise process monitoring and consistent product quality.
Food and Beverage Processing
Used for monitoring temperatures, liquid levels, pressure systems, and production process variables.
Chemical Manufacturing
Enables accurate acquisition of process measurements required for safe and efficient production operations.
Product Advantages
High Signal Accuracy
The module delivers reliable analog-to-digital conversion, helping maintain precise process measurements.
Industrial Reliability
Designed for long-term operation in demanding environments with minimal maintenance requirements.
Strong Noise Immunity
Advanced isolation and filtering technologies help protect process data from industrial electrical interference.
Efficient Multi-Channel Acquisition
Sixteen input channels allow centralized monitoring while reducing installation costs and cabinet space usage.
Easy Integration
Compatible with distributed control architectures and modular automation systems.
Reduced Downtime
The modular structure simplifies maintenance and accelerates replacement procedures when required.
Long Service Life
Industrial-grade electronic components contribute to stable performance throughout extended operational periods.
Advanced Diagnostics
Built-in monitoring functions support preventive maintenance and improve overall system availability.
Flexible Expansion Capability
Supports scalable automation projects ranging from small process units to large industrial facilities.
Recommended Related Models (Same Series or Similar Products)
| Model | Channels | Input Type | Resolution | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| SAI141-S03/K4A00 | 8 | 4–20 mA | 16-bit | 107 × 130 × 32 mm | 0.45 |
| SAI142-S03/K4A00 | 16 | 4–20 mA | 16-bit | 107 × 130 × 32 mm | 0.48 |
| SAI144-S03/K4A00 | 16 | Multi-Range Analog | 16-bit | 107 × 130 × 32 mm | 0.52 |
| SAI145-S03/K4A00 | 16 | Diagnostic Analog Input | 16-bit | 107 × 130 × 32 mm | 0.56 |
| SAI146-S03/K4A00 | 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 | Precision Analog Input Module | High Accuracy Process 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/K4A00 is a dependable industrial analog input module designed for modern automation systems that require accurate signal acquisition, high operational reliability, and continuous process monitoring. Its sixteen-channel architecture, industrial-grade isolation, advanced diagnostic capabilities, and robust construction make it suitable for a wide range of process industries.
The K4A00 configuration further enhances compatibility and system stability, making the module an effective solution for facilities seeking dependable performance, simplified maintenance, and long-term operational efficiency. Whether deployed in energy production, chemical processing, water treatment, or manufacturing environments, the SAI143-S03/K4A00 provides reliable analog signal acquisition for critical industrial applications.