{"product_id":"ge-speedtronic-mark-vie-servo-control-i-o-pack-module-is220psvoh1a","title":"GE Speedtronic Mark VIe Servo Control I\/O Pack Module IS220PSVOH1A","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe GE IS220PSVOH1A operates as a dedicated Simplex Servo Control I\/O Pack within the General Electric Speedtronic Mark VIe control architecture. This high-performance hardware module provides the critical interface between the digital controller processing fabric and electro-hydraulic servo valves. It regulates fuel and steam valve positioning on large gas and steam turbines. The unit drives the servo coils directly, captures mechanical position feedback via Linear Variable Differential Transformers (LVDTs), and executes real-time closed-loop position algorithms at the network edge. Installing this Brand New, original GE I\/O pack eliminates valve hunting, reduces actuator oscillation, and protects fuel lines from sudden pressure surges.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe table below maps out the precise electrical drive limits, feedback interfaces, and environmental ratings for the IS220PSVOH1A servo module:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Specification \/ Performance Metric\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\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIS220PSVOH1A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eControl Platform\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSpeedtronic Mark VIe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSimplex Servo Control I\/O Pack (PSVO)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eServo Output Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 independent bidirectional current output channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Output Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±10 mA, ±40 mA, or custom milliamps via jumper configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFeedback Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupports up to 2 LVDT or RVDT position sensors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNetwork Connection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual redundant 100 Mbps Ethernet ports via IONet links\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-30°C to +65°C (-22°F to +149°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInternal Power Draw\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDraws nominal 24 VDC from the host terminal layer\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\u003cp\u003eThe IS220PSVOH1A resolves severe valve positioning inaccuracies and high-vibration failures common to industrial fuel skids:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Loop Execution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOnboard microprocessors run the closed-loop position algorithm locally at 100 Hz, decoupling valve response times from central controller processing loading.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eActive LVDT Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module continuously monitors sensor excitation health, identifying open loops, short circuits, or demodulator out-of-bounds telemetry instantly before position tracking fails.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Port Network Redundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTwo independent IONet Ethernet connections ensure seamless signal flow to the control room, preventing communication drops if one link suffers physical cable damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Thermal Profile:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe rugged metal housing acts as a passive heatsink, dissipating internal component heat efficiently up to +65°C without relying on breakdown-prone cooling fans.\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\u003eWhat specific terminal board pairs directly with the IS220PSVOH1A pack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe IS220PSVOH1A pack plugs directly onto the TSVCH1A or TSVCH2A Servo Terminal Boards using an integrated high-density connector. The underlying terminal board handles the physical field screw junctions for the servo coils and LVDT cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan technicians adjust the servo loop gains dynamically without a complete power-down?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. You modify proportional-integral-derivative (PID) gains, null offsets, and valve limits directly inside the GE ControlST configuration tool during live machine operation. Ensure you place the specific fuel loop into safe manual override before deploying new software parameter updates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does this simplex module handle emergency shutdown events?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe hardware integrates a hardware-level trip input path. When emergency stop line voltage drops, internal solid-state switches immediately clamp the servo current output to zero, allowing mechanical springs to close the critical fuel stop valve instantly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":53486901133496,"sku":"IS220PSVOH1A","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/IS220PSVOH1A_2_1.jpg?v=1779263557","url":"https:\/\/www.globalpetroparts.com\/products\/ge-speedtronic-mark-vie-servo-control-i-o-pack-module-is220psvoh1a","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}