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- Yokogawa
- AAV141-S03/K4A00
- Analog Input Module
- Japan
- 107.5 × 130 × 32.8 mm
- 0.2 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Yokogawa AAV141-S03/K4A00 is a high-density Analog Input Module used in Yokogawa CENTUM / FIO distributed control systems. It is designed to acquire standard analog process signals such as current and voltage from field instruments and convert them into digital data for monitoring and control.
This module is widely applied in industrial automation systems requiring multi-channel measurement, strong isolation, and stable long-term operation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Model | AAV141-S03/K4A00 |
| Product Type | Analog Input Module |
| System Compatibility | Yokogawa CENTUM / FIO systems |
| Function | Analog signal acquisition |
| Input Channels | 16 channels |
| Input Signal Type | 1–5 V DC / 4–20 mA DC |
| Signal Range | Standard industrial analog signals |
| Input Impedance | Current: ~250 Ω / Voltage: high impedance |
| Signal Isolation | Channel-to-channel and system isolation |
| Conversion Method | A/D conversion for DCS processing |
| Accuracy | High-precision industrial measurement |
| Data Update Cycle | Cyclic scan via controller backplane |
| Redundancy Support | Supported in compatible systems |
| Mounting Type | Rack-mounted module |
| Operating Environment | Industrial control cabinet |
| Humidity Range | 5%–95% non-condensing |
| Dimensions | 107.5 × 130 × 32.8 mm |
| Weight | 0.2 kg |
Function and Working Principle
The AAV141-S03/K4A00 operates as a signal acquisition interface module.
Its core functions include:
- Receiving analog signals from field transmitters
- Converting current/voltage signals into digital process data
- Supporting multi-channel measurement
- Providing electrical isolation for noise immunity
- Ensuring stable transmission of process variables to the DCS
It acts as a front-end interface between field instrumentation and control systems.
Role in Industrial Control Systems
Within Yokogawa DCS architectures, this module provides:
- Multi-channel analog data acquisition
- Integration of field instruments into centralized control systems
- Stable process variable monitoring
- High resistance to industrial electrical noise
- Reliable continuous operation in process industries
Industrial Applications
The AAV141-S03/K4A00 is widely used in:
- Oil and gas processing plants
- Chemical and petrochemical industries
- Power generation systems
- Water treatment facilities
- Industrial automation and SCADA systems
- Process monitoring and control systems
Installation and System Integration
Recommended installation practices include:
- Mounting in Yokogawa FIO / CENTUM I/O racks
- Ensuring proper backplane connection
- Using shielded wiring for analog signals
- Configuring input type (4–20 mA or 1–5 V) in system engineering
- Performing calibration during commissioning
Compatible System Components
The AAV141-S03/K4A00 typically works with:
- Yokogawa CENTUM controllers
- Analog transmitters (4–20 mA devices)
- Voltage output sensors
- Other Yokogawa I/O modules
- Field termination assemblies
- Process control systems
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| AAV141-S03/K4A00 | Analog input module | 16-channel acquisition | Process control |
| AAT145-S03 | TC/mV input module | Temperature + low voltage input | Thermal systems |
| AAR181-S50 S2 | RTD input module | Temperature sensing | Industrial monitoring |
| AAI543-S53 | Analog input module | High-precision measurement | Instrumentation |
| AAI835-S53 | Analog I/O module | Multi-channel processing | Automation systems |
Key Advantages
- 16-channel analog input capability
- Stable signal conversion and processing
- Strong electrical isolation for industrial safety
- Compatible with standard process signals
- Reliable long-term operation in harsh environments
- Seamless integration with Yokogawa DCS systems
Technical FAQs
What is the AAV141-S03/K4A00 used for?
It is used for analog signal acquisition in industrial control systems.
How many channels does it support?
It supports 16 input channels.
What signals does it handle?
Standard industrial analog signals such as 4–20 mA and 1–5 V.
Is it a controller module?
No, it is an input module used for signal acquisition.
Conclusion
The Yokogawa AAV141-S03/K4A00 Analog Input Module is a reliable and high-density industrial signal acquisition device. With multi-channel capability, strong isolation, and stable performance, it is widely used in process automation and monitoring applications.