{"product_id":"general-electric-is215vproh2b-vme-protection-assem","title":"General Electric IS215VPROH2B VME Protection Assem","description":"\u003ch3\u003eGE IS215VPROH2B Mark VI VME Emergency Turbine Protection Module — Triple Redundant, 3-Input, 6-Output\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eIS215VPROH2B\u003c\/strong\u003e is a \u003cstrong\u003eVME Emergency Turbine Protection Module (VPRO)\u003c\/strong\u003e for GE's \u003cstrong\u003eMark VI\u003c\/strong\u003e turbine control platform. It provides \u003cstrong\u003eindependent emergency overspeed protection (EOS)\u003c\/strong\u003e separate from the main turbine control system, operating in a \u003cstrong\u003etriple modular redundant (TMR)\u003c\/strong\u003e configuration with three independent boards (R8, S8, T8). Each board contains its own I\/O controller, processor, power supply, and Ethernet communications, allowing any one board to be replaced while the turbine is running without jeopardizing protection.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e General Electric \/ GE Energy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Mark VI Speedtronic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e VME Emergency Turbine Protection Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 3 (speed pickup \/ analog current \/ thermocouple)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e 6 (economizer relay outputs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 125 VDC input (range 70–145 VDC); on-board 5 VDC and 28 VDC generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e Pentium with 256 KB Level 2 Cache\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory:\u003c\/strong\u003e 16 MB DRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthernet Interface:\u003c\/strong\u003e Thinwire 10base2 (IONet)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaud Rate:\u003c\/strong\u003e 19,200\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCOM Ports:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD-Shell Ports:\u003c\/strong\u003e 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Indicators:\u003c\/strong\u003e 12 (including FLASH LED for memory write status)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVME Slot Occupation:\u003c\/strong\u003e 2 slots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eController Type:\u003c\/strong\u003e VME Controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to 45°C (some sources cite -30°C to +65°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e 10–95% non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnology:\u003c\/strong\u003e Surface Mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard Dimensions:\u003c\/strong\u003e 33.0 cm H × 17.8 cm W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.4 kg (5.00 lbs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual:\u003c\/strong\u003e GEH-6421H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedundancy:\u003c\/strong\u003e Triple Modular Redundant (TMR) — R8, S8, T8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus:\u003c\/strong\u003e Active \/ In production\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eArchitecture \u0026amp; Functionality\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency Overspeed Protection (EOS):\u003c\/strong\u003e Primary function using six passive magnetic speed pickups (3 for controllers, 3 for VPROs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackup Synchronization Check:\u003c\/strong\u003e Integrated synchronization logic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Inputs:\u003c\/strong\u003e 3 analog current inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermocouple Inputs:\u003c\/strong\u003e 9 thermocouple inputs (primarily for gas turbine exhaust over-temperature protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Solenoid Control:\u003c\/strong\u003e Controls up to 3 trip solenoids via TREG (positive) and TRPG (negative) terminal boards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVPROH2 vs VPROH1:\u003c\/strong\u003e VPROH2 is a \u003cstrong\u003elower power version\u003c\/strong\u003e that supports only \u003cstrong\u003eone TREG board\u003c\/strong\u003e. VPROH1 supports \u003cstrong\u003etwo TREG boards\u003c\/strong\u003e (second via J4 connector)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunications:\u003c\/strong\u003e IONet Ethernet for test commands and EOS diagnostics monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVME Interface:\u003c\/strong\u003e Allows programming and testing in VME rack; backplane neutralized when plugged into protection module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower down\u003c\/strong\u003e the VME I\/O processor rack.\u003c\/li\u003e\n\u003cli\u003eSlide the IS215VPROH2B into the VME rack, aligning edge connectors.\u003c\/li\u003e\n\u003cli\u003ePush top and bottom levers to seat the board fully.\u003c\/li\u003e\n\u003cli\u003eTighten captive screws at top and bottom of front panel.\u003c\/li\u003e\n\u003cli\u003eConnect \u003cstrong\u003e125 VDC power\u003c\/strong\u003e from cabinet PDM to the power plug.\u003c\/li\u003e\n\u003cli\u003eConnect \u003cstrong\u003eIONet Ethernet\u003c\/strong\u003e for communications with Mark VI controller.\u003c\/li\u003e\n\u003cli\u003eConnect \u003cstrong\u003eJ2 power cable\u003c\/strong\u003e and \u003cstrong\u003etrip solenoid cables\u003c\/strong\u003e to TREG terminal board.\u003c\/li\u003e\n\u003cli\u003eFor simplex systems, connect \u003cstrong\u003eJ1 trip signal cable\u003c\/strong\u003e to TSVO terminal board.\u003c\/li\u003e\n\u003cli\u003ePower on and verify diagnostic LEDs on front panel.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between IS215VPROH2B and IS215VPROH1B?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eIS215VPROH2B\u003c\/strong\u003e is a \u003cstrong\u003elower power version\u003c\/strong\u003e supporting \u003cstrong\u003eone TREG board only\u003c\/strong\u003e. \u003cstrong\u003eIS215VPROH1B\u003c\/strong\u003e supports \u003cstrong\u003etwo TREG boards\u003c\/strong\u003e (second driven from J4 connector). Applications requiring two TREGs must use H1, not H2.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the H2B suffix mean?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003e\"H2\"\u003c\/strong\u003e indicates the \u003cstrong\u003elower power VPRO variant\u003c\/strong\u003e. \u003cstrong\u003e\"B\"\u003c\/strong\u003e is the \u003cstrong\u003eB-rated functional revision\u003c\/strong\u003e. Variants H2BD and H2BC are D-level and C-level revisions, all functionally compatible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I replace one VPRO board while the turbine is running?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eYes.\u003c\/strong\u003e The TMR design allows any one of the three boards (R8, S8, or T8) to be powered down and replaced without jeopardizing protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this board compatible with Mark VIe?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eNo.\u003c\/strong\u003e IS215VPROH2B is designed for \u003cstrong\u003eMark VI\u003c\/strong\u003e VME-based systems. Mark VIe uses different I\/O pack architecture (e.g., IS220PPROH1A).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the 12 LEDs for?\u003c\/strong\u003e\u003cbr\u003eA: LEDs indicate power status, communication activity, fault conditions, and FLASH memory write status. Specific LED functions are documented in manual GEH-6421H.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What speed pickups does it support?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eSix passive magnetic speed pickups\u003c\/strong\u003e or \u003cstrong\u003eactive pulse rate transducers (TTL type)\u003c\/strong\u003e. Three monitored by controllers for primary overspeed, three by VPROs for emergency overspeed.\u003c\/p\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMark VI, single TREG, emergency overspeed:\u003c\/strong\u003e IS215VPROH2B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMark VI, dual TREG, emergency overspeed:\u003c\/strong\u003e IS215VPROH1B \/ IS215VPROH1BD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMark VIe protection:\u003c\/strong\u003e IS220PPROH1A (different architecture)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlways verify:\u003c\/strong\u003e Number of TREG boards required, VME rack slot availability, and IONet connectivity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder compatible terminal boards:\u003c\/strong\u003e TREG (positive trip) + TRPG (negative trip) + TPRO (speed\/PT inputs)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":53730846081208,"sku":"IS215VPROH2B","price":234.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/IS215VPROH1BD-3.jpg?v=1781752367","url":"https:\/\/www.globalpetroparts.com\/products\/general-electric-is215vproh2b-vme-protection-assem","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}