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- Yokogawa
- AAV144-S53/K4A00
- Voltage Input Module (Isolated)
- Japan
- 107.5 × 130 × 32.8 mm
- 0.2 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Yokogawa AAV144-S53 / K4A00 Voltage Input Module is a high-density isolated analog input module designed for Yokogawa CENTUM Distributed Control Systems (DCS). It is used to acquire voltage signals from field instrumentation and convert them into digital data for real-time process control and monitoring.
This model is widely used in large-scale industrial automation systems, where stable signal acquisition, electrical isolation, and flexible wiring integration are required. The K4A00 configuration provides a KS cable interface adapter, enabling more efficient and structured field wiring in complex control cabinet installations.
The module supports high-precision measurement and is suitable for continuous operation in demanding industrial environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | AAV144-S53 / K4A00 |
| Product Type | Isolated Voltage Input Module |
| System Compatibility | CENTUM VP / CENTUM CS 3000 |
| Input Channels | 16 channels (isolated) |
| Input Signal Range | 1–5 V DC / -10 to +10 V DC |
| Allowable Input Voltage | ±30 V DC |
| Input Resistance | 1 MΩ (power ON), 200 kΩ (power OFF) |
| Isolation Voltage | 1500 V AC (input to system, 1 minute) |
| A/D Conversion Resolution | 16-bit |
| Data Update Period | 10 ms |
| Accuracy | ±4 mV typical / ±20 mV maximum |
| Temperature Drift | ±4 mV / 10°C |
| Power Supply | 5 V DC (via backplane) |
| Current Consumption | Max 500 mA |
| Power Dissipation | Approx. 5.5 W |
| Interface Type | KS cable adapter (K4A00 configuration) |
| Mounting Type | Rack-mounted I/O module |
| Dimensions (H × W × D) | 107.5 × 130 × 32.8 mm |
| Weight | 0.2 kg |
Function and Working Principle
The AAV144-S53 / K4A00 operates as an isolated analog signal acquisition module within a Yokogawa DCS architecture.
Its working principle includes:
- Receiving analog voltage signals from field devices
- Routing signals through isolated input circuits
- Applying filtering and signal conditioning to reduce noise
- Converting analog signals into high-resolution 16-bit digital values
- Transmitting processed data to the DCS controller for real-time processing
The K4A00 KS cable interface structure improves field wiring organization and reduces installation complexity in large industrial systems.
Role in Industrial Control Systems
Within Yokogawa DCS systems, the AAV144-S53 / K4A00 functions as a front-end signal acquisition and isolation interface.
Its main roles include:
- Accurate acquisition of analog voltage signals
- Electrical isolation between field devices and control system
- Stable real-time process data acquisition
- Supporting distributed and redundant control architectures
It plays a key role in ensuring system reliability, signal integrity, and operational safety in industrial automation environments.
Industrial Applications
The AAV144-S53 / K4A00 is widely used in:
- Oil and gas production facilities
- Petrochemical and refining plants
- Power generation and turbine control systems
- Chemical processing industries
- Water treatment and utility automation
- Large-scale distributed control systems (DCS)
It is especially suitable for complex installations requiring structured wiring and stable long-distance signal acquisition.
Installation and System Integration
Proper installation ensures optimal performance:
- Installed in Yokogawa CENTUM I/O racks or control cabinets
- Connected via system backplane architecture
- Field wiring implemented using KS cable interface (K4A00)
- Shielded cables recommended to reduce electromagnetic interference
- Proper grounding required to maintain isolation performance
System configuration is performed through Yokogawa engineering tools within the DCS environment.
Compatible System Components
The AAV144-S53 / K4A00 is typically used with:
- Yokogawa CENTUM VP / CS 3000 controllers
- Field voltage transmitters and sensors
- KS cable interface systems
- System I/O backplane modules
- Signal conditioning and interface units
- Process automation instrumentation
These components together form a complete industrial distributed control architecture.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| Yokogawa AAV144-S00 / A4S00 | Voltage Input Module | Standard terminal version | General DCS systems |
| Yokogawa AAV144-S00 / A4S10 | Voltage Input Module | Surge protection terminal | Harsh electrical environments |
| Yokogawa AAV144-S00 / K4A00 | Voltage Input Module | KS cable interface | Flexible wiring systems |
| Yokogawa AAV142-S50 | Non-isolated input module | Compact design | Cost-sensitive applications |
| Yokogawa AAI141 | Current input module | 4–20 mA support | Process instrumentation |
Key Advantages
- Fully isolated 16-channel voltage input design
- KS cable interface for structured wiring (K4A00 configuration)
- High resistance to electromagnetic interference
- Stable 16-bit high-resolution conversion
- Fast 10 ms data update cycle
- Compact industrial-grade design
- Reliable long-term continuous operation
- Seamless integration with Yokogawa CENTUM systems
Technical FAQs
Q1: What is the main function of the AAV144-S53 / K4A00?
It converts isolated analog voltage signals into digital data for DCS processing.
Q2: What is the advantage of the K4A00 configuration?
It provides a KS cable interface for more flexible and organized field wiring.
Q3: What signals does it support?
It supports 1–5 V DC and -10 to +10 V DC voltage inputs.
Q4: Where is it typically used?
It is used in oil & gas, petrochemical, and power generation industries.
Q5: Is it suitable for harsh environments?
Yes, it is designed for high-noise industrial environments with strong isolation.
Conclusion
The Yokogawa AAV144-S53 / K4A00 Voltage Input Module is a high-reliability isolated analog input solution designed for complex industrial DCS applications. With its KS cable interface flexibility, strong electrical isolation, and stable signal conversion performance, it ensures accurate and safe voltage measurement in large-scale automation systems.
It is widely used in mission-critical environments where signal integrity, wiring efficiency, and long-term operational stability are essential.