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- Yokogawa
- SAI143-H53
- 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
Brand Information
The SAI143-H53 belongs to a well-established industrial automation product ecosystem developed for process control and distributed I/O systems. The product line is widely used in large-scale industrial plants where reliability, accuracy, and continuous operation are required.
This brand is globally recognized in process automation, especially in industries such as oil & gas, chemical processing, power generation, and water treatment.
Product Series
The SAI143-H53 is part of the SAI143 series analog input module family, designed for high-density analog signal acquisition in distributed control systems.
This series focuses on:
- Modular rack-based I/O architecture
- Multi-channel analog signal acquisition
- High isolation between channels
- Stable operation in harsh industrial environments
- Integration into distributed control systems (DCS)
- Expandable large-scale automation architecture
Product Overview
The SAI143-H53 is an industrial-grade analog input module used to acquire and convert analog signals from field instruments into digital data for process control systems.
It is designed for high reliability and continuous operation in demanding environments where electrical noise, temperature variation, and vibration are common.
The module is typically installed in rack-mounted control systems and works as part of a larger distributed automation architecture.
The “H53” configuration generally indicates a specific hardware revision with enhanced signal conditioning characteristics and improved stability for industrial signal acquisition tasks.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | SAI143-H53 |
| Input Type | Analog current input (4–20 mA industrial standard) |
| 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 filtering and stabilization (H53 variant) |
| Noise Immunity | High EMC resistance design |
| Sampling Mode | Cyclic continuous acquisition |
| Diagnostic Function | Open wire detection, module health monitoring |
| 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 is designed for precise analog signal acquisition in industrial automation systems. It converts continuous electrical signals from field devices into digital data for monitoring and control applications.
It is built for environments requiring stable long-term operation, including plants with high electromagnetic interference and continuous production cycles.
The module operates as part of a modular I/O system where multiple input and output modules work together to provide real-time process visibility.
Its enhanced configuration improves signal stability and reduces measurement fluctuations in demanding industrial conditions.
Product Applications
The SAI143-H53 is widely used in industries that require stable and accurate analog signal processing.
Typical applications include:
- Petrochemical refining and hydrocarbon processing plants
- Natural gas transmission and compression stations
- Power generation facilities (thermal, hydro, nuclear)
- Water treatment and wastewater management systems
- Steel and metallurgy production lines
- Pharmaceutical and chemical manufacturing systems
- Industrial automation and distributed control systems
- Large-scale SCADA monitoring infrastructures
In these environments, it ensures accurate acquisition of analog signals such as pressure, temperature, flow rate, and level measurements.
Product Advantages
The SAI143-H53 provides several key advantages for industrial applications:
- High channel density reduces system footprint
- Strong electromagnetic interference resistance ensures stable signal quality
- Enhanced signal conditioning improves measurement accuracy
- Reliable continuous operation for 24/7 industrial environments
- Modular structure enables fast replacement and maintenance
- Built-in diagnostics improve system fault detection efficiency
- Long-term stability with low signal drift
- Compatible with distributed control system architectures
- Scalable design for large industrial installations
Product Applications (Functional Role)
In automation systems, the SAI143-H53 performs the following key roles:
- Collecting analog signals from field instruments
- Converting current loop signals into digital values
- Transmitting processed data to control systems
- Supporting real-time process monitoring and optimization
- Enabling alarm and safety system inputs
Related Models (Same Series / Closely Related Variants)
| Model | Description | Channels | Signal Type | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| SAI141-H53 | Entry-level analog input module | 8–16 | 4–20 mA | 107×130×32 mm | 0.40 |
| SAI142-H53 | Enhanced isolation version | 16 | 4–20 mA | 107×130×32 mm | 0.45 |
| SAI143-H53 | Standard high-density input module | 16 | 4–20 mA | 107×130×32 mm | 0.50 |
| SAI144-H53 | High-speed sampling variant | 16 | Multi-range analog | 107×130×32 mm | 0.52 |
| SAI145-H53 | Advanced diagnostic version | 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 measurement processing | 100×120×30 mm | 0.42 |
| AAR181 | Analog output module | Process control output signals | 100×120×30 mm | 0.40 |
| ADI151 | Digital input module | Discrete signal acquisition | 110×130×30 mm | 0.45 |
| ADV551 | Digital output module | Control execution module | 110×130×30 mm | 0.45 |
Final Summary
The SAI143-H53 is a high-reliability analog input module designed for demanding industrial automation systems. It provides stable multi-channel signal acquisition, strong noise resistance, and accurate signal conversion for continuous process monitoring.
Its enhanced signal conditioning design, modular structure, and diagnostic capabilities make it suitable for critical industrial environments where precision and operational stability are essential.