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The GE IS230TICIH3A is a triple-modular redundant (TMR) isolated contact input assembly for the GE Mark VIe control system. This module is designed for the most critical applications, ensuring high reliability and fault tolerance while providing electrical isolation for the input signals.
Key Features
- Isolated Contact Input: The primary feature is its electrical isolation. This protects the control system from ground loops, electrical noise, and high voltage spikes from the field devices. This is crucial for maintaining signal integrity and system safety in harsh industrial environments.
- TMR (Triple-Modular Redundant): This is the most important feature. A TMR configuration uses three identical modules operating in parallel. The system uses a voting algorithm to compare the inputs from all three modules, ensuring that the correct information is sent to the controller even if one or two modules fail.
- Mark VIe Integration: As a core part of the IS230 series, this assembly is designed to seamlessly integrate with the Mark VIe control platform, which is widely used for controlling turbines in power generation plants.
Applications
The IS230TICIH3A is used in industrial settings where the loss of a digital input could lead to a catastrophic event, and electrical noise is a concern.
- Power Generation: It’s used to monitor the status of critical devices on gas and steam turbines, such as emergency trip buttons and fire detectors. The TMR redundancy and isolation ensure the control system receives vital safety data without interruption.
- Oil and Gas: In refineries and offshore platforms, it helps monitor critical discrete signals for emergency shutdown systems and fire and gas detection, where the module’s robust design and isolation are crucial for reliability.
- Critical Safety Systems: This module is a fundamental component of any system where a failure to monitor a digital signal could result in significant equipment damage or pose a risk to personnel.
