
Product Description
Yokogawa AAV144-S50 Isolated Voltage Input Module - Precision Signal Acquisition
The Yokogawa AAV144-S50 is a high-performance 16-channel isolated voltage input module engineered for demanding industrial automation and process control applications. This advanced I/O module delivers exceptional signal integrity through channel-to-channel isolation, making it ideal for distributed control systems (DCS), SCADA networks, and critical monitoring installations.
Technical Specifications
- Input Channels: 16 isolated analog voltage inputs
- Signal Range: 1-5V DC or -10 to +10V DC (field-configurable)
- Isolation: Channel-to-channel and channel-to-bus isolation for superior noise immunity
- Resolution: 16-bit A/D conversion for precise measurement accuracy
- Sampling Rate: High-speed data acquisition with minimal latency
- Operating Temperature: -20°C to +60°C (-4°F to +140°F)
- Mounting: DIN rail compatible for standard industrial enclosures
- Communication: Seamless integration with Yokogawa CENTUM VP, ProSafe-RS, and STARDOM platforms
Key Features & Benefits
Superior Isolation Technology: Each input channel features galvanic isolation that eliminates ground loop interference and protects against voltage transients, ensuring reliable operation in electrically noisy industrial environments.
Flexible Configuration: Software-selectable voltage ranges allow a single module to handle diverse sensor types including pressure transmitters, level sensors, flow meters, and temperature transducers with voltage outputs.
Enhanced Diagnostics: Built-in self-diagnostics continuously monitor module health, detecting open circuits, out-of-range signals, and communication errors to minimize unplanned downtime.
Application Scenarios
Process Manufacturing: Monitor critical process variables in chemical plants, refineries, and pharmaceutical facilities where precise voltage signal measurement is essential for quality control and safety compliance.
Power Generation: Acquire voltage signals from turbine sensors, generator monitoring systems, and auxiliary equipment in thermal, hydro, and renewable energy installations.
Water & Wastewater Treatment: Interface with pH meters, conductivity sensors, and flow transmitters to maintain optimal treatment parameters and regulatory compliance.
Oil & Gas Operations: Collect data from wellhead sensors, pipeline monitoring equipment, and storage tank instrumentation in upstream, midstream, and downstream facilities.
Integration Solutions
The AAV144-S50 integrates seamlessly into Yokogawa's comprehensive automation ecosystem, supporting both legacy and modern control architectures. Its hot-swappable design enables maintenance without system shutdown, while redundant communication paths ensure continuous operation in mission-critical applications.
Compatible with industry-standard protocols including Modbus, FOUNDATION Fieldbus, and HART, this module bridges the gap between field instrumentation and enterprise-level control systems, enabling real-time data visibility across your entire operation.
Related Products
Expand your I/O capabilities with these complementary Yokogawa modules:
| Product | Description | Link |
|---|---|---|
| AAV142-S00 | Analog Input Module - 16-channel non-isolated voltage/current | View Product |
| AAV142-S50 | Analog Voltage Input Module - 16-channel isolated | View Product |
| AAV141-S50 | Analog Input Module - 16-channel 1-5V isolated | View Product |
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