{"product_id":"general-electric-is200wrobh1aaa-mark-vie-relay-fuse-and-power-sensing-board","title":"General Electric IS200WROBH1AAA Mark VIe Relay Fuse and Power Sensing Board","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIS200WROBH1AAA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-integrity Relay Fuse and Power Sensing (WROB) board within the General Electric Mark VIe control architecture. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBrand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal component provides critical circuit protection and diagnostic feedback for relay-driven outputs. By monitoring the status of individual fuses and power distribution paths, it ensures that the turbine control system maintains precise command execution. It serves as a vital expansion for PDIO modules, bridging the gap between digital logic and field-side power actuation.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe IS200WROBH1AAA utilizes precision sensing circuits to monitor relay coil health and fuse integrity.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGeneral Electric (GE)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMark VIe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFunctional Acronym\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWROB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFuse Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.15 Amperes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelay Type Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTRLY Series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRedundancy Modes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSimplex, Redundant, or TMR\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTMR Terminal Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTDBTH2, TDBTH4, TDBTH6\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.2 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 cm x 12 cm x 6 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTriple Modular Redundancy (TMR) Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe IS200WROBH1AAA fully supports TMR architectures when paired with TDBTH2, TDBTH4, or TDBTH6 terminal boards. This ensures that a single point of failure within a fuse or relay path does not compromise the overall turbine safety loop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Overcurrent Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach circuit utilizes a 3.15A fuse to isolate faults locally. This design prevents a short circuit in a single field solenoid or relay from pulling down the entire 24V DC power bus, thereby maintaining system availability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReal-Time Power Sensing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe board actively senses the presence of voltage downstream of the fuse. It reports blown-fuse conditions directly to the Mark VIe controller, allowing maintenance teams to identify and replace faulty components without manual troubleshooting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-Compact Footprint:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWeighing only 0.2 kg and measuring 16x12x6 cm, this board facilitates high-density installation in space-constrained control cabinets. It mounts directly to parent boards (like the TDBS or TDBT), eliminating the need for additional DIN rail space or complex interconnecting looms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the IS200WROBH1AAA a direct replacement for the IS200WROBH1A?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The \"AAA\" suffix denotes the specific revision artwork and firmware version. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBrand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunit maintains full backward compatibility with the H1A base model while incorporating GE’s latest component reliability standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the board behave in a TMR configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn TMR mode, the WROB board facilitates the \"voting\" of signals. It connects to three separate I\/O packs through the TDBT board, ensuring that two-out-of-three packs must agree on a command before the final relay output changes state.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the primary indicators of a fuse failure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe board communicates fuse status through the Mark VIe IONet. Within your HMI or ToolboxST software, the \"Fuse Status\" diagnostic bit will toggle, identifying the specific 3.15A fuse that requires replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this board with 125V DC relay circuits?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe IS200WROBH1AAA typically manages low-voltage DC power distribution for relay coils. Always refer to the GEH-6721 system manual to verify specific voltage limits for your terminal board and relay combination.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52525435027765,"sku":"IS210AEAAH2BKE","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/IS200WROBH1AAA.jpg?v=1775099882","url":"https:\/\/www.5gplc.com\/products\/general-electric-is200wrobh1aaa-mark-vie-relay-fuse-and-power-sensing-board","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}