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The GE IS230TNDTH2A is a triple-modular redundant (TMR) discrete I/O module for the GE Mark VIe control system. This component is designed to be mounted on a DIN rail and handles on/off (binary) signals in a highly fault-tolerant configuration.
Key Features
- Triple-Modular Redundant (TMR): This is the most critical feature. The TMR configuration uses three identical I/O packs operating in parallel. A voting algorithm compares the signals from all three packs, ensuring that the control system receives the correct information and sends the correct commands even if one or two modules fail. This redundancy is the core of its high-reliability design.
- Discrete I/O: The module handles both digital inputs (reading signals from devices like switches) and digital outputs (sending commands to devices like solenoids). It acts as an interface that converts these physical signals into a format the Mark VIe controller can understand.
- DIN Rail Mounting: The module is designed for standardized installation on a DIN rail, which is a common practice in industrial control cabinets. This simplifies wiring, saves space, and makes the system modular and easy to maintain.
- Mark VIe Integration: As part of the IS230 series, this module is a key component of the Mark VIe control platform, which is widely used for controlling turbines in power generation and other heavy industries.
Applications
The IS230TNDTH2A is used in mission-critical industrial settings where the loss of a digital signal could lead to a catastrophic event or significant downtime.
- Power Generation: It is a core component in power plants for monitoring and controlling the status of critical devices on gas and steam turbines.
- Safety-Critical Systems: The module is integral to safety systems where a failure to monitor or control a digital signal could result in equipment damage or a safety risk.
- Oil and Gas: In refineries and offshore platforms, it monitors the status of emergency shutdown valves, fire and gas detectors, and other critical discrete signals.
