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The GE IS230TNPAH1AAX is a Primary Trip DIN rail module for the GE Mark VIe control system. The “AX” in the part number signifies that the module is certified for use in potentially explosive atmospheres as per ATEX standards. This module is a safety-critical component, designed to handle and process signals that can initiate an emergency shutdown or “trip” of a turbine. It is an assembly that includes a PTURH1B I/O pack.
Key Features
- Primary Trip Function: This module is dedicated to processing signals from sensors that, when they exceed safe operating limits, trigger a primary, or first-level, emergency shutdown of the turbine. This is a crucial fail-safe measure to prevent equipment damage and ensure personnel safety.
- ATEX Certification: The “AX” signifies that the module has been certified for safe operation in hazardous environments where flammable gases, vapors, mists, or dust may be present. This is a critical requirement in industries like oil and gas, petrochemicals, and power generation.
- I/O Module Assembly: This is a ready-to-install unit, consisting of both a terminal board and the electronic I/O pack (PTURH1B) that processes the signals.
- DIN Rail Mounting: The assembly 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 installation and maintenance more efficient.
Applications
The IS230TNPAH1AAX is used in critical industrial settings where a reliable emergency shutdown system is non-negotiable, particularly in hazardous locations.
- Turbine Safety: It is a core component in the emergency shutdown logic of gas and steam turbines. It monitors critical parameters like overspeed, excessive vibration, or high temperature that can trigger an immediate trip. The ATEX rating is essential for applications involving natural gas turbines.
- Oil and Gas: In refineries and offshore platforms, it’s used to provide trip logic for compressors, pumps, and other critical equipment, ensuring that in the event of an emergency, the system can be safely shut down in a hazardous area.
