{"product_id":"ge-is200sproh1acc-mark-vie-backup-protection-terminal-board","title":"GE IS200SPROH1ACC Mark VIe Backup Protection Terminal Board","description":"\u003cp\u003eThe \u003cstrong\u003eGE IS200SPROH1ACC\u003c\/strong\u003e is a backup protection terminal board designed for the GE Mark VIe turbine control system. It provides signal termination and interfacing for the PPRO I\/O pack, including turbine speed inputs, generator and bus voltage sensing, and connections to the backup trip relay terminal board. Its integrated potential transformers support voltage signal acquisition for generator-bus synchronization functions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFunctional Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe IS200SPROH1ACC provides the physical signal interface between the turbine control hardware, speed sensing circuits, generator and bus voltage inputs, and backup trip protection connections.\u003c\/p\u003e\n\u003cp\u003eTwo onboard single-phase potential transformers (PTs) acquire voltage signals from the generator and bus. Their secondary outputs provide isolated voltage signals for the associated control hardware, supporting voltage monitoring and synchronization operations.\u003c\/p\u003e\n\u003cp\u003eThe board also connects to the PPRO I\/O pack, which processes the associated speed and control signals. This arrangement separates field signal termination from the processing functions performed by the connected control hardware.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpeed Signal and PPRO Interface\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe board provides dedicated terminal assignments for speed inputs and connections to the PPRO I\/O pack.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTerminals 19-24 are assigned to speed inputs.\u003c\/li\u003e\n\u003cli\u003eTerminals 7-15 are routed to the JA1 PPRO connector for designated or reserved control connections.\u003c\/li\u003e\n\u003cli\u003eTerminals 5-6 and 16-18 have no board connection according to the available terminal assignment information.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe JA1 connector provides the PPRO interface, while JA3 provides a cable connection to the backup trip terminal board. These connections allow the board to participate in the backup protection signal arrangement.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGenerator and Bus Voltage Sensing\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe IS200SPROH1ACC incorporates two single-phase potential transformers for generator and bus voltage measurement. Each transformer provides a nominal secondary output of 115 V rms.\u003c\/p\u003e\n\u003cp\u003eThe specified synchronization voltage range is 75-130 V rms, with an input loading requirement below 3 VA per PT input. The magnetic isolation barrier is rated at 1,500 V rms, providing electrical separation between the voltage sensing circuits and associated circuitry.\u003c\/p\u003e\n\u003cp\u003eThe stated wiring capability is up to 1,000 ft using 18 AWG cable. Actual installation should follow the applicable system wiring documentation and the requirements of the connected equipment.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTerminal Assignments and Connectors\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe available terminal information identifies the following connections:\u003c\/p\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal or Connector\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals 1-4\u003c\/td\u003e\n\u003ctd\u003ePotential transformer (PT) inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals 5-6\u003c\/td\u003e\n\u003ctd\u003eNo board connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals 7-15\u003c\/td\u003e\n\u003ctd\u003eReserved control connections routed to JA1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals 16-18\u003c\/td\u003e\n\u003ctd\u003eNo board connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals 19-24\u003c\/td\u003e\n\u003ctd\u003eSpeed inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJA1\u003c\/td\u003e\n\u003ctd\u003ePPRO I\/O pack connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJA3\u003c\/td\u003e\n\u003ctd\u003eBackup trip terminal board cable connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC-37 connector\u003c\/td\u003e\n\u003ctd\u003eInterface for backup trip relay terminal board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eVerify the connector assignments and terminal wiring against the documentation for the installed board revision before connecting field wiring.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eIS200SPROH1ACC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE (General Electric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eMark VIe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBackup Protection Terminal Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssociated I\/O Pack\u003c\/td\u003e\n\u003ctd\u003ePPRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Sensing\u003c\/td\u003e\n\u003ctd\u003eTwo single-phase potential transformers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePT Secondary Output\u003c\/td\u003e\n\u003ctd\u003e115 V rms nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePT Input Loading\u003c\/td\u003e\n\u003ctd\u003eLess than 3 VA per input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSynchronization Voltage Range\u003c\/td\u003e\n\u003ctd\u003e75-130 V rms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePT Magnetic Isolation\u003c\/td\u003e\n\u003ctd\u003e1,500 V rms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Stated Cable Length\u003c\/td\u003e\n\u003ctd\u003e1,000 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStated Cable Size\u003c\/td\u003e\n\u003ctd\u003e18 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30 to 65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTechnology\u003c\/td\u003e\n\u003ctd\u003eSurface-mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary function of the GE IS200SPROH1ACC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It provides terminal connections and signal interfacing for a Mark VIe backup protection arrangement. Its functions include speed signal connections, generator and bus voltage sensing, and interfacing with the backup trip relay terminal board.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What voltage signals are supported by the onboard potential transformers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The board has two single-phase PTs with nominal secondary outputs of 115 V rms. The specified synchronization voltage range is 75-130 V rms, and each PT input requires less than 3 VA loading.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which hardware connection should be checked when replacing this board?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Check the PPRO connection at JA1, the backup trip terminal board connection at JA3, and the field terminal assignments. Confirm the complete part number IS200SPROH1ACC and the installed hardware revision before replacement. Similar model numbers should not be assumed to have identical terminal layouts.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":68072399470877,"sku":"IS200SPROH1ACC","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/IS200SPROH1ACC2.jpg?v=1794563106","url":"https:\/\/www.6gcontrols.com\/hu\/products\/ge-is200sproh1acc-mark-vie-backup-protection-terminal-board","provider":"6G Controls","version":"1.0","type":"link"}