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Part No.: IS220PPROH1A
Manufacturer: General Electric
Country of Manufacture: United States
Product Type: Backup Turbine Protection (PPRO) I/O pack
Series: Mark VIe
IS220PPROH1A is a Backup Turbine Protection (PPRO) I/O pack developed by GE. The Backup Turbine Protection (PPRO) I/O pack and associated terminal boards offer an independent backup Overspeed protection system, as well as a backup check for generator synchronization to a utility bus. They also serve as an independent watchdog for the primary control. Three triple modular redundant (TMR) PPRO I/O packs mounted to separate simplex protection (SPRO) terminal board or three PPROs put on a TMR TPROH#C terminal board constitute a typical protection system. Each SPRO or TPROH#C is connected to the designated emergency trip board through a cable with DC-37 pin connections on both ends:
A different configuration places three PPRO I/O packs directly on TREA for a single-board TMR protection system. For IONet communications with the control modules, the PPRO includes an Ethernet connection.
The PPRO I/O pack comprises one of the compatible BPPx processor boards listed below:
When using a TMR main control, backup protection is supported (two out of three running). This setup is supported by all Mark VIe control backup trip boards (TREG, TREL, TREA, and TRES). The first PPRO I/O pack is connected to the R network, the second PPRO to the S network, and the third PPRO to the T network in the standard network configuration.
What is IS220PPROH1A?
IS220PPROH1A is a Backup Turbine Protection (PPRO) I/O pack developed by GE.
Is the component compatible with simplex and TMR systems?
Yes, the board is compatible with simplex and TMR systems.
Can IS220PPROH1A be auto-reconfigured when switching a BPPB P-Pack with a BPPC P-Pack?
When switching from a BPPB to a BPPC P-Pack it cannot be auto-configured.
How to obtain the IS220PPROH1A part?
Contact WOC for IS220PPROH1A terminal board or other turbine control requirements.