{"product_id":"is220ydias1a-ge-mark-vie-discrete-contact-input-module","title":"IS220YDIAS1A GE Mark VIe Discrete Contact Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eGE IS220YDIAS1A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eIS220YDIA\u003c\/strong\u003e Discrete Contact Input I\/O Module, operates as a dedicated hardware component for discrete signal acquisition and field contact status acquisition within GE Mark VIe Distributed Gas Turbine Control Systems.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eIS220YDIAS1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE \/ General Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Mark VIe I\/O Pack Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e28 VDC Nominal System Input Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Processing\u003c\/td\u003e\n\u003ctd\u003eBinary \/ Digital On-Off Discrete Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eGE Mark VIe Control Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Isolation\u003c\/td\u003e\n\u003ctd\u003eElectrical \/ Galvanic Isolation Between Inputs and Core Logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Interface\u003c\/td\u003e\n\u003ctd\u003eDual RJ45 IONet Ethernet Ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe IS220YDIAS1A digitizes multi-channel dry-contact or voltage-driven binary signals at the local I\/O pack level, packaging high-density status updates into Ethernet frames routed across the Mark VIe IONet. By managing optical channel isolation and signal debounce internally, the pack optimizes real-time backplane bus communication velocity across master controllers without incurring processing latencies. Internal onboard flash memory maintains strict firmware flash compatibility with Mark VIe control platforms, enabling deterministic sequence-of-events recording and transparent updates during online rack maintenance.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the internal electrical isolation on the IS220YDIAS1A protect the broader control network?\u003c\/p\u003e\n\u003cp\u003eA: Integrated galvanic isolation separates the incoming field contact loops from the sensitive internal logic circuits, preventing severe transient surges, common-mode ground loops, and field noise spikes from propagating into the IONet architecture.\u003c\/p\u003e\n\u003cp\u003eQ: Can the IS220YDIAS1A pack be replaced online without shutting down the entire turbine control loop?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Provided the surrounding Mark VIe system is configured with redundant IONet networks (such as dual or triple controller arrangements), the pack can be unseated from its matching terminal board and replaced online without interrupting adjacent system nodes.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower off local field wetting voltage sources connected to the associated terminal board prior to installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eAlign the IS220YDIAS1A module frame over the mounting headers of the designated Mark VIe terminal board.\u003c\/li\u003e\n\u003cli\u003eFirmly press the module down until the connectors fully seat, then tighten the captive retention screws to ensure chassis frame grounding.\u003c\/li\u003e\n\u003cli\u003ePlug Category 5e or Category 6 Ethernet cables into the dual IONet ports, securing lock tabs to prevent vibration-induced disconnects.\u003c\/li\u003e\n\u003cli\u003eConnect field wiring to the screw terminal blocks, confirming signal lines adhere to recommended twisted-pair shielded wire standards to mitigate electromagnetic noise.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":53271599350069,"sku":"IS220YDIAS1A","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/IS220YDIAS1A.png?v=1786504905","url":"https:\/\/www.5gplc.com\/products\/is220ydias1a-ge-mark-vie-discrete-contact-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}