Product:IS220PPROS1B by GE MKVIe, IO PACK
IS220PPROS1B is an Emergency Turbine Protection I/O Pack manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Control Systems. A backup Overspeed protection system with a backup check for generator synchronization to a utility bus is provided by the Emergency Turbine Protection I/O pack (PPRO) and related terminal boards. They also serve as the primary control's independent watchdog. Three triple modular redundant (TMR) PPRO I/O packs mounted to a separate simplex protection (SPRO) terminal board make up a typical protection system. Each SPRO is connected to the designated emergency trip board by a cable with DC-37 pin connections on both ends:
TREG: Gas Turbine Emergency Trip Terminal Board.
TREL: Large Steam Turbine Emergency Trip Terminal Board.
TRES: Small/Medium Steam Turbine Emergency Trip Terminal Board.
TREA: Turbine Emergency Trip Terminal Board.
A single-board TMR protection system using three PPRO I/O packs is possible in a different configuration. The PPRO connects to the control modules via Ethernet for IONet communications. The primary and backup trip systems for the Mark* VIe control are integrated at the trip terminal board level. The Turbine Primary I/O pack, PTUR, which uses a primary trip board, provides primary protection (TRPG, TRPL, TRPS, TRPA). The PPRO I/O pack operates a backup trip board to provide backup protection (TREG, TREL, TRES, TREA).
PPRO can handle three different types of speed signals, including hardware-implemented Overspeed, acceleration, deceleration, and basic Overspeed. The pack keeps an eye on the primary control's performance and can check the primary speed to make sure everything is running normally.
Through a broad range of feedback signals, PPRO keeps track of the status and functionality of the chosen trip board. PPRO will trip the backup trip relays on the trip board and initiate a trip on the primary control if a fault is found. The principal control action has no bearing on the pack and is completely independent of it.
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We have a large inventory of control system components. We also made a lot of new hardware and discontinued spare parts to help supporting your existing control systems.
We have experienced staff, extensive testing , all the spare parts which we sold are with warranty period of one year, and they have undergone rigorous testing and certification!
You might find you need spare parts in our data, we welcome you give valuable suggestions to us with our products at any time!
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