{"product_id":"woodward-5437-1124-protech-gii-overspeed-protection-module","title":"Woodward 5437-1124 ProTech-GII Overspeed Protection Module","description":"\u003ch3\u003e\n\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e5437-1124\u003c\/strong\u003e overspeed protection module is a critical safety component developed by Woodward for the ProTech-GII turbine protection platform. It is engineered to continuously supervise shaft speed and acceleration on high-energy rotating equipment and to trigger an immediate shutdown when unsafe operating limits are exceeded.\u003c\/p\u003e\n\u003cp\u003eDesigned as a plug-in, field-replaceable unit, this module forms part of a triple-redundant architecture that minimizes nuisance trips while maintaining strict compliance with turbine safety integrity requirements. The design is widely deployed in power generation and heavy industrial turbine installations where failure prevention is mandatory.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eCore Functions and Capabilities\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e5437-1124\u003c\/strong\u003e module provides deterministic overspeed detection using configurable trip algorithms and redundant logic paths. When installed in a ProTech-GII chassis, it participates in a 2-out-of-3 voting scheme, allowing a shutdown decision only when two independent channels confirm an unsafe condition.\u003c\/p\u003e\n\u003cp\u003eKey functional characteristics include continuous speed validation, fault diagnostics, and non-volatile event storage. The module supports multiple speed sensing technologies, enabling compatibility with both legacy and modern turbine instrumentation.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003ch4\u003e\n\u003cstrong\u003eGeneral\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nManufacturer: Woodward\n\u003c\/li\u003e\n\u003cli\u003e\nProduct Family: ProTech-GII\n\u003c\/li\u003e\n\u003cli\u003e\nModule Type: Overspeed \/ Over-acceleration Protection\n\u003c\/li\u003e\n\u003cli\u003e\nCountry of Manufacture: United States\n\u003c\/li\u003e\n\u003cli\u003e\nInstallation: ProTech-GII rack-mounted, hot-swappable design\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\n\u003cstrong\u003eElectrical Characteristics\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nSupply Voltage: 24 VDC nominal\n\u003c\/li\u003e\n\u003cli\u003e\nOperating Range: 18 to 32 VDC\n\u003c\/li\u003e\n\u003cli\u003e\nPower Consumption: Low-power safety module design\n\u003c\/li\u003e\n\u003cli\u003e\nIsolation: Internal galvanic isolation between inputs and logic circuits\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\n\u003cstrong\u003eSpeed Input Interfaces\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nMagnetic Pickup (MPU) sensors\n\u003c\/li\u003e\n\u003cli\u003e\nProximity probes with speed signal conditioning\n\u003c\/li\u003e\n\u003cli\u003e\nRedundant input validation and signal plausibility checks\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\n\u003cstrong\u003eProtection Logic\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nUser-configurable overspeed setpoints\n\u003c\/li\u003e\n\u003cli\u003e\nIndependent acceleration monitoring\n\u003c\/li\u003e\n\u003cli\u003e\n2oo3 voting when used in triple-module configurations\n\u003c\/li\u003e\n\u003cli\u003e\nFail-safe behavior on internal diagnostics failure\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\n\u003cstrong\u003eCommunication and Outputs\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nSystem Communication: ProTech-GII internal safety bus\n\u003c\/li\u003e\n\u003cli\u003e\nExternal Integration: Modbus TCP\/RTU via system interface modules\n\u003c\/li\u003e\n\u003cli\u003e\nDiscrete trip outputs through system-level safety relays\n\u003c\/li\u003e\n\u003cli\u003e\nEvent and alarm data accessible from DCS or asset management systems\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\n\u003cstrong\u003eEnvironmental Ratings\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nOperating Temperature: –40 °C to +85 °C\n\u003c\/li\u003e\n\u003cli\u003e\nStorage Temperature: –55 °C to +105 °C\n\u003c\/li\u003e\n\u003cli\u003e\nVibration and Shock: Designed for turbine skid environments\n\u003c\/li\u003e\n\u003cli\u003e\nEnclosure Protection: Determined by ProTech-GII chassis (not IP-rated as a standalone module)\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e5437-1124\u003c\/strong\u003e is fully compatible with Woodward ProTech-GII turbine protection systems used on:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nSteam turbines\n\u003c\/li\u003e\n\u003cli\u003e\nGas turbines\n\u003c\/li\u003e\n\u003cli\u003e\nHydro turbines\n\u003c\/li\u003e\n\u003cli\u003e\nMechanical drive turbines in refining and petrochemical plants\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt operates independently from the turbine governor, ensuring that overspeed protection remains active even if control functions fail.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nUtility-scale power generation turbines\n\u003c\/li\u003e\n\u003cli\u003e\nCombined-cycle power plants\n\u003c\/li\u003e\n\u003cli\u003e\nOil \u0026amp; gas compression trains\n\u003c\/li\u003e\n\u003cli\u003e\nPipeline pump and compressor drives\n\u003c\/li\u003e\n\u003cli\u003e\nCritical rotating equipment requiring SIL-rated overspeed protection\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 5437-1124 a standalone controller?\u003c\/strong\u003e\r\nNo. This module functions only within a ProTech-GII protection system and cannot operate independently.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it replace a governor overspeed function?\u003c\/strong\u003e\r\nNo. It provides an independent mechanical safety layer, separate from turbine control or fuel management systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used in SIL-rated architectures?\u003c\/strong\u003e\r\nYes. When configured in a triple-modular ProTech-GII system, it supports high-integrity safety applications.\u003c\/p\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":52762046628125,"sku":"5437-1124","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/5437-1124-1_1000.jpg?v=1787222304","url":"https:\/\/www.6gcontrols.com\/pt\/products\/woodward-5437-1124-protech-gii-overspeed-protection-module","provider":"6G Controls","version":"1.0","type":"link"}