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The GE IS230TDBTH4A is a triple-modular redundant (TMR) discrete I/O assembly for the GE Mark VIe control system. This complete, pre-configured unit is designed for high-reliability contact input applications.
Key Features
- Triple-Modular Redundant (TMR): This is the most critical feature. The TMR configuration uses three identical I/O packs operating in parallel. This design provides exceptional fault tolerance. The system employs a voting algorithm to compare the inputs from all three packs, ensuring that the control system receives the correct information even if one or two modules fail.
- Discrete I/O: The assembly handles binary (on/off) signals from field devices like switches and push-buttons.
- Assembly: The part number signifies a complete, ready-to-install unit, consisting of both a terminal board and the electronic I/O packs.
- Mark VIe Integration: As part of the IS230 series, this assembly 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 IS230TDBTH4A is used in mission-critical industrial settings where the loss of a digital input signal could lead to a catastrophic event or significant downtime.
- Power Generation: It is a core component in power plants for monitoring the status of critical devices on gas and steam turbines, such as valve limit switches and emergency trip buttons.
- Safety-Critical Systems: The module is integral to safety systems where a failure to monitor 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
