{"product_id":"ge-is220pdiah1a-mark-vie-speedtronic-discrete-contact-input-i-o-pack","title":"GE | IS220PDIAH1A | Mark VIe Speedtronic Discrete Contact Input I\/O Pack","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe GE IS220PDIAH1A functions as a high-density, processor-driven discrete contact input functional I\/O pack within the General Electric Mark VIe Speedtronic turbine control platform. This intelligent automation hardware mounts directly onto compatible discrete terminal boards to scan and digitize binary field status signals originating from dry contacts, limit switches, pressure switches, and pushbuttons. It handles up to 24 discrete input channels, recording precise Sequence of Events (SOE) timestamps locally with millisecond resolution. By streaming this structural tracking data over dual redundant industrial Ethernet IONet ports, the pack provides immediate interlock logic execution and protective tracking updates directly to the master control processors.\u003c\/p\u003e\n\u003cp\u003eWe supply this high-availability control component exclusively as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original factory-sealed stock\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto guarantee clean internal electronic pathways and complete mechanical longevity inside your industrial turbine panel setups.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe IS220PDIAH1A houses localized high-speed microcontrollers, dual RJ-45 network interfaces, optocoupled signal isolation banks, and a high-density 37-pin mating socket inside a ruggedized protective metal enclosure. The table below profiles the definitive electrical and physical parameters:\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\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\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIS220PDIAH1A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eControl Framework\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMark VIe Speedtronic System\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFunctional Group\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePDIA (Discrete Contact Input Pack Assembly)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHardware Revision\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eH1A (Designates advanced processor baseline with full surface insulation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNetwork Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual 10\/100 Base-TX RJ-45 copper Ethernet ports for redundant IONet loops\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 Discrete Dry Contact Input Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWetting Voltage Output\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProvides 24 VDC or 125 VDC excitation options through target terminal board\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSOE Timestamp Resolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 ms localized event logging across all 24 channels simultaneously\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Power Demand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e28.0 VDC nominal (Accepts 18.5 VDC to 32.0 VDC operational limits)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.35 A DC maximum configuration load\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 deg C to 65 deg C (-22 deg F to 149 deg F) operating boundary\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelative Humidity Limits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5% to 95% non-condensing atmosphere profile\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\u003eMillisecond Sequence of Events (SOE) Logging:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe onboard microprocessor scans the input register loops continuously to capture contact state transitions instantly. It applies a precise, localized 1 ms time tag to each event before broadcasting the data packet, giving engineers an accurate chronological log to troubleshoot complex cascade trip sequences.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptical Galvanic Channel Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-performance optocouplers line the internal signal pathways. This physical isolation barrier blocks high-voltage field spikes, ground faults, and external inductive transients from traversing the 37-pin interface, keeping your central parallel backplane bus fully protected from field-side electrical damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOnboard Contact Debounce Filtering:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHardware RC filters combined with adjustable digital software filters suppress contact bounce noise generated by aging mechanical field switches. This dual-layer processing stops false binary chattering states from entering the control logic loops, preventing erratic system diagnostics or unnecessary turbine trip events.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Sensor Wetting Tracking:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe pack continually checks the health of the field excitation loop. If an external breaker lines drops or a wetting power fuse blows on the terminal board, the module flags a diagnostic alarm immediately, enabling rapid maintenance response well before an actual control sequence failure occurs.\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\u003eQ1: Can I use the IS220PDIAH1A with both 24 VDC and 125 VDC contact excitation loops?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: Yes. The IS220PDIAH1A handles both low-voltage and high-voltage excitation formats. The wetting voltage level depends directly on the model of the passive terminal board you pair it with (such as the TDIA board variations). The pack reads the filtered feedback signal from the terminal board and handles the logic evaluation accordingly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Does this discrete contact input pack support live hot-swapping procedures?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: Yes. When you deploy this module in a redundant or Triple Modular Redundant (TMR) terminal board architecture, you can loosen the securing bolts and hot-swap a faulted IS220PDIAH1A pack while the system runs live. The parallel operational packs on the terminal card maintain continuous binary signal tracking throughout the replacement window.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What specific advantage does the 'H1A' revision supply over legacy turbine IO layouts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: The \"H1A\" designation represents a standalone architecture block that handles signal digitization, timestamp logging, and networking protocols directly inside the pack housing. This eliminates vulnerable multi-core ribbon cables used in older control generations, sealing the sensitive signal conversion loop behind ruggedized metal shielding to completely repel high-voltage cabinet electromagnetic interference (EMI).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":53481945858232,"sku":"IS220PDIAH1A","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/IS220PDIAH1A_1_1.jpg?v=1779180073","url":"https:\/\/www.globalpetroparts.com\/products\/ge-is220pdiah1a-mark-vie-speedtronic-discrete-contact-input-i-o-pack","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}