{"product_id":"msv21-bb-remote-display","title":"C.E. Electronics MSV21-BB Remote Display","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eMSV21-BB\u003c\/b\u003e is a \"Micro Comm\" series Position Indicator (PI) manufactured by \u003cb data-path-to-node=\"1\" data-index-in-node=\"78\"\u003eC.E. Electronics\u003c\/b\u003e. It is a 1-inch character, segmented LED display used to show floor position and car direction in elevator transoms, hall fixtures, or car operating panels (COP). The \"BB\" suffix specifically designates the visual configuration of the unit.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eCore Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eManufacturer:\u003c\/b\u003e C.E. Electronics, Inc.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003ePart Number:\u003c\/b\u003e MSV21-BB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eDisplay Type:\u003c\/b\u003e Segmented LED (1-inch character height)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eVisual Config (BB):\u003c\/b\u003e \u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"20\"\u003eBlue Display \/ Blue Directional Arrows\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eInput Interface:\u003c\/b\u003e 3-wire Micro Comm (Serial)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,5,0\"\u003e\u003cb data-path-to-node=\"3,5,0\" data-index-in-node=\"0\"\u003ePower Requirement:\u003c\/b\u003e Typically 24V DC (supplied via the Micro Comm driver)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,6,0\"\u003e\u003cb data-path-to-node=\"3,6,0\" data-index-in-node=\"0\"\u003eFunctionality:\u003c\/b\u003e Alphanumeric floor designation and directional arrows\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eElevator Logic\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eMicro Comm Architecture:\u003c\/b\u003e This is \u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"33\"\u003enot\u003c\/b\u003e a standalone unit. It must be connected to a Micro Comm Interface\/Driver board. The driver converts discrete signals (like binary, gray code, or per-floor inputs) into the 3-wire serial data that the MSV21-BB decodes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eSerial Communication:\u003c\/b\u003e Uses a 3-wire hookup (Power, Ground, and Data). This significantly reduces the number of wires required in the traveling cable compared to traditional \"bulb-per-floor\" indicators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eDirectional Logic:\u003c\/b\u003e The \"BB\" configuration features integrated up\/down arrows. The arrows are triggered by the serial data stream based on the controller's directional preference (Up\/Down\/Nudging).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003eSelf-Testing:\u003c\/b\u003e The unit features a self-test mode upon power-up, usually cycling through segments to verify that all blue LEDs are functional.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,4,0\"\u003e\u003cb data-path-to-node=\"6,4,0\" data-index-in-node=\"0\"\u003eError Detection:\u003c\/b\u003e Includes internal error correction to prevent \"ghost\" floor readings if the serial data is momentarily corrupted by electrical noise in the hoistway.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"7\"\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eAccessories\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eLens Options:\u003c\/b\u003e The MSV21 series is often paired with a contrast-enhanced lens. For the \"BB\" model, a clear or blue-tinted lens is standard to maximize the visibility of the blue LEDs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eMicro Comm Driver:\u003c\/b\u003e Required for operation. Common drivers include the \u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"70\"\u003eCIF (Central Interface)\u003c\/b\u003e or \u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"97\"\u003eSIF (Serial Interface)\u003c\/b\u003e boards found in the main controller or car-top station.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eMounting Studs:\u003c\/b\u003e Typically surface-mounted to the back of the fixture plate using integrated threaded studs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003ePassing Chime:\u003c\/b\u003e An optional accessory that can be requested to trigger an audible \"gong\" or chime through the display unit as the car passes a floor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"10\"\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eMaintenance \u0026amp; Code\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eB44 Visual Requirements:\u003c\/b\u003e Under \u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"31\"\u003eCanadian Elevator Code (B44)\u003c\/b\u003e, position indicators must be clearly legible and provide direction of travel. The high-contrast blue LED of the MSV21-BB is often chosen to meet modern aesthetic requirements while maintaining code-compliant visibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eWiring Integrity:\u003c\/b\u003e Since it relies on a 3-wire serial bus, a loose \"Data\" wire will cause the display to freeze, go blank, or show erratic segments across multiple floors. Check for tight terminations at the Micro Comm driver.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eSegment Failure:\u003c\/b\u003e If a single blue segment is dark (e.g., an \"8\" looks like a \"6\"), the LED segment itself has failed. Because these are sealed electronic units, the entire MSV21-BB board must be replaced; it is not field-repairable at the component level.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eCross-Wire Protection:\u003c\/b\u003e The unit is protected against accidental cross-wiring of the 3-wire bus, but applying 110V AC to the 24V DC inputs will result in immediate board failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48313311395992,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_446390a9-084c-4386-b572-c580567ea297.jpg?v=1773855295","url":"https:\/\/parts4rem.ca\/products\/msv21-bb-remote-display","provider":"Parts4REM","version":"1.0","type":"link"}