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- Yokogawa
- SAI143-H53 S3
- Analog Input Module
- Japan
- 107 mm × 130 mm × 32 mm
- 0.6kg
- Xiamen, China
- New & In Stock
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Industrial Analog Input Module – SAI143-H53 S3
Brand Information
The SAI143-H53 S3 belongs to a long-established industrial automation product line used in process control, energy systems, and large-scale manufacturing environments.
This product ecosystem is widely recognized in industrial instrumentation and control applications, particularly in sectors requiring high reliability, continuous operation, and precise process measurement.
Typical application industries include petrochemical processing, power generation, water treatment, metallurgy, and general industrial automation systems.
Product Series
The SAI143-H53 S3 is part of the SAI143 analog input module series, designed for distributed control systems (DCS) and large-scale industrial data acquisition architectures.
Key characteristics of this series include:
- Modular rack-mounted I/O structure
- Multi-channel analog signal acquisition (typically 16 channels)
- High isolation between channels and system backplane
- Strong electromagnetic interference resistance
- Designed for continuous 24/7 operation
- Scalable architecture for large industrial plants
- Integration with distributed automation and control systems
Product Overview
The SAI143-H53 S3 is an industrial-grade analog input module designed to acquire analog signals from field instruments and convert them into digital signals for control and monitoring systems.
It is optimized for high-stability operation in harsh environments, including high electrical noise areas, temperature fluctuations, and long-term continuous production cycles.
The “S3” revision generally indicates an advanced hardware or firmware update over previous versions, typically improving signal stability, diagnostic depth, and overall system robustness.
The module is used in rack-based distributed control systems where multiple I/O modules work together to provide real-time process data acquisition and control support.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | SAI143-H53 S3 |
| Input Type | Analog current input (industrial standard 4–20 mA) |
| Number of Channels | 16 channels |
| Input Range | 0–20 mA / 4–20 mA configurable |
| Signal Source | Industrial transmitters (pressure, flow, temperature, level) |
| Resolution | 16-bit equivalent precision |
| Conversion Method | Sequential multi-channel scanning |
| Isolation | Channel-to-channel + system isolation |
| Signal Conditioning | Enhanced S3 revision stability optimization |
| Noise Immunity | High EMC resistance design |
| Sampling Mode | Continuous cyclic acquisition |
| Diagnostic Function | Open circuit detection, advanced module diagnostics |
| Communication | Backplane rack communication bus |
| Power Supply | Supplied via system rack backplane |
| Installation Type | Rack-mounted modular design |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Humidity | 5% – 95% RH (non-condensing) |
| Protection Level | Industrial EMI and surge protection |
| Dimensions | Approx. 107 mm × 130 mm × 32 mm |
| Weight | Approx. 0.45 – 0.60 kg |
Product Introduction
The SAI143-H53 S3 is designed for precise and stable acquisition of analog signals in industrial automation systems. It converts continuous current loop signals from field sensors into digital values used by control systems.
It is built for continuous operation in demanding industrial environments where signal stability and long-term reliability are critical.
The module operates as part of a distributed control architecture, where multiple input modules work together to provide comprehensive process monitoring.
The S3 revision enhances overall system stability and improves signal consistency under high-load industrial conditions.
Product Applications
The SAI143-H53 S3 is widely used in industrial sectors requiring accurate analog signal acquisition and continuous process monitoring.
Typical application areas include:
- Oil refining and petrochemical production facilities
- Natural gas processing and pipeline systems
- Thermal and nuclear power generation plants
- Water treatment and wastewater processing systems
- Steel manufacturing and heavy industry plants
- Pharmaceutical and chemical production lines
- Industrial automation and SCADA systems
- Large-scale distributed control environments
In these applications, the module continuously collects analog data from sensors and transmitters and ensures reliable transmission to control systems.
Product Advantages
The SAI143-H53 S3 offers several advantages for industrial automation systems:
- High channel density reduces installation space requirements
- Strong electromagnetic interference resistance ensures stable operation
- Improved S3 revision stability for enhanced signal quality
- High-resolution analog conversion improves measurement accuracy
- Designed for continuous 24/7 industrial operation
- Modular design enables fast replacement and maintenance
- Advanced diagnostics improve system reliability
- Long-term stability with minimal signal drift
- Compatible with distributed control system architectures
- Scalable for large industrial installations
Related Models (Same Series / Closely Related Variants)
| Model | Description | Channels | Signal Type | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| SAI141-H53 S3 | Entry-level analog input module | 8–16 | 4–20 mA | 107×130×32 mm | 0.40 |
| SAI142-H53 S3 | Enhanced isolation version | 16 | 4–20 mA | 107×130×32 mm | 0.45 |
| SAI143-H53 S3 | Standard high-density module | 16 | 4–20 mA | 107×130×32 mm | 0.50 |
| SAI144-H53 S3 | High-speed sampling variant | 16 | Multi-range analog | 107×130×32 mm | 0.52 |
| SAI145-H53 S3 | Advanced diagnostic module | 16 | 4–20 mA with diagnostics | 107×130×32 mm | 0.58 |
Popular Models (Same Brand Industrial Portfolio)
| Model | Product Type | Function | Dimensions | Weight (kg) |
|---|---|---|---|---|
| AAI141 | Analog input module | Standard process signal acquisition | 100×120×30 mm | 0.40 |
| AAI543 | High precision AI module | High accuracy process measurement | 100×120×30 mm | 0.42 |
| AAR181 | Analog output module | Signal output control | 100×120×30 mm | 0.40 |
| ADI151 | Digital input module | Discrete signal acquisition | 110×130×30 mm | 0.45 |
| ADV551 | Digital output module | Process control execution | 110×130×30 mm | 0.45 |
Final Summary
The SAI143-H53 S3 is a high-reliability analog input module designed for demanding industrial automation environments. It delivers stable multi-channel signal acquisition, strong noise immunity, and accurate analog-to-digital conversion for continuous process monitoring.
The S3 revision further enhances stability, diagnostics, and long-term operational consistency, making it suitable for mission-critical industrial applications requiring precision and uninterrupted performance.