{"product_id":"is215vcmih2c-vme-bus-master-controller-card-ge","title":"IS215VCMIH2C VME Bus Master Controller Card | GE","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGE IS215VCMIH2C\u003c\/strong\u003e (and revision IS215VCMIH2CC) is a 6U VME Bus Master Controller Board manufactured for Speedtronic Mark VI turbine control systems. It serves as the master bus controller for control racks and remote I\/O racks, managing high-speed deterministic IONet data distribution across R, S, and T channels.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e Standard 6U VMEbus card (233.35 mm x 160 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBus Architecture:\u003c\/strong\u003e 32-bit VMEbus Master Controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply Requirement:\u003c\/strong\u003e +5 VDC from VME backplane (\u0026lt; 15 W draw)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIONet Ports:\u003c\/strong\u003e 3 optical\/coaxial IONet channels for R, S, and T redundancy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Rate Execution:\u003c\/strong\u003e 10 ms control loop frame rate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +60°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features \u0026amp; Applications\u003c\/h3\u003e\n\u003cp\u003eThe VCMI card acts as the central communication hub within Mark VI control architectures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard ID Management:\u003c\/strong\u003e Scans and identifies all electronic boards and terminal boards connected within the VME rack frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple Modular Redundancy (TMR):\u003c\/strong\u003e Synchronizes data communications across isolated R, S, and T channels to maintain voting integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Port Memory Interface:\u003c\/strong\u003e Enables real-time dual-port memory transfers between controller processors and field I\/O modules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Precautions:\u003c\/strong\u003e Wear an anti-static wrist strap when handling the VME circuit board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack Insertion:\u003c\/strong\u003e Align the card edge guides into Slot 1 of the 6U VME rack frame and press firmly to seat backplane connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetaining Screws:\u003c\/strong\u003e Tighten top and bottom front-panel retaining thumb screws to lock the board in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabling:\u003c\/strong\u003e Connect IONet communication cables to the designated R, S, and T front ports.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack Placement:\u003c\/strong\u003e The VCMI must always reside in Slot 1 of the VME rack to act as bus master.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRevision Matching:\u003c\/strong\u003e Confirm whether your system requires coaxial or fiber optic IONet front interfaces (H2C vs H1A series).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary role of the IS215VCMIH2C board?\u003c\/strong\u003e\u003cbr\u003eA: It acts as the VME bus master controller, coordinating internal backplane communications and external IONet network traffic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the VCMI board reside in any slot within the VME chassis?\u003c\/strong\u003e\u003cbr\u003eA: No, it is specifically designed to operate in Slot 1 of the control and I\/O rack backplane.\u003c\/p\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":43737350537283,"sku":"IS215VCMIH2C","price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/IS215VCMIH2C1_6a7ad325-7ddf-46f9-8694-c7cb3b8a9db5.jpg?v=1788242184","url":"https:\/\/www.plcdcspro.com\/th\/products\/is215vcmih2c-vme-bus-master-controller-card-ge","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}