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The GE IS230SHRA2ASHRA2AG01 is a dual-redundant HART Analog I/O Assembly for the GE Mark VIe control system. The dual redundancy feature is crucial for applications that require high availability and fault tolerance, as it provides a backup system in case one module fails.
Key Features and Functionality
- HART Communication: This module supports the HART protocol, which allows it to carry a digital signal on top of the standard 4-20mA analog signal. This enables communication with “smart” field devices, allowing for remote configuration, diagnostics, and access to additional data beyond the primary process variable.
- Dual Redundancy: Unlike a simplex (single) module, this “dual” assembly uses two identical modules working in parallel. If one module fails, the other can continue to operate without interrupting the process. This redundancy is a core component of the Mark VIe’s high-reliability architecture.
- Analog I/O: The module handles both analog inputs from sensors (like pressure or temperature transmitters) and analog outputs to actuators (like control valves), serving as a versatile interface.
- Mark VIe Integration: As part of the IS230 series, this assembly is designed to seamlessly integrate with the Mark VIe control platform, ensuring easy installation and compatibility.
Applications
The IS230SHRA2ASHRA2AG01 is a vital component in industries where an interruption to the process could be catastrophic or very costly.
- Power Generation: It’s used in gas and steam turbine control systems to monitor and control critical parameters with a high degree of reliability. The redundancy ensures that even if a module fails, the turbine continues to operate safely.
- Oil and Gas: In refineries and offshore platforms, it’s used for critical process control loops where continuous operation is essential, such as controlling the flow of a catalyst or monitoring pressure in a high-pressure reactor.
- Chemical Processing: In chemical plants, it can be part of the control system for continuous processes, providing a redundant system for monitoring and controlling variables to prevent chemical spills or other hazardous events.
