{"product_id":"abb-1mrk000284-abr03-binary-input-module","title":"ABB 1MRK000284-ABr03 Binary Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eABB 1MRK000284-ABr03\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1MRK000284-AB\u003c\/strong\u003e Binary Input Module, operates as a dedicated hardware component for localized digital state monitoring and continuous external contact validation within ABB Relion protection relay platforms.\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\u003e1MRK000284-ABr03 \/ 1MRK000284-AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eFactory Standard Global Site\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e160 mm x 115 mm x 40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC standard system rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital Input Cards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Density\u003c\/td\u003e\n\u003ctd\u003e24 binary inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Topology\u003c\/td\u003e\n\u003ctd\u003eOptically isolated input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Filtering\u003c\/td\u003e\n\u003ctd\u003eConfigurable software input delay registers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eIndividual LED status indicators per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaintenance Feature\u003c\/td\u003e\n\u003ctd\u003eIntegrated hardware manual test mode activation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Orientation\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail mountable assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and Drives (PLC\/DCS\/Drives) Attributes\u003c\/h3\u003e\n\u003cp\u003eThe 1MRK000284-ABr03 manages high-speed edge transition detection and continuous sensing loop verification directly across the secondary automation backplane interface. To process multi-channel status flags from external pushbuttons or safety switches and transmit state changes concurrently without electrical bounce or contact degradation, the internal circuitry utilizes a high-density array of optocouplers. This optical barrier breaks direct conduction paths, protecting the core processor registers while maintaining backplane bus communication velocity Licences integrity under transient fault conditions.\u003c\/p\u003e\n\u003cp\u003eBecause this digital acquisition module operates inside high-voltage substation and heavy machinery control panels, its physical mapping supports modular I\/O density scaling options across the system rack. The firmware architecture enforces absolute firmware flash compatibility with the host protective relay, permitting custom tuning of input delay parameters down to millisecond thresholds. This software filtering prevents line noise from injecting false binary changes into the master processor database via Profinet \/ EtherNet\/IP deterministic networks, suppressing process variable spikes and tracking loop timeouts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the integrated manual Test Mode alter data packet transmission to the host processor during live system checks?\u003c\/p\u003e\n\u003cp\u003eA: When test mode is active, technicians can simulate contact state changes via internal software commands or force registers. The module flags these packets with a specific diagnostic test attribute, allowing loop checkout without triggering downstream trip outputs or safety-critical interlocks.\u003c\/p\u003e\n\u003cp\u003eQ: What layer behavior occurs if an external field wire short-circuits to the local 24 VDC return path on an input channel?\u003c\/p\u003e\n\u003cp\u003eA: The optical isolation circuits keep the fault confined to that single input terminal point. The optocoupler current remains limited by internal power-limiting resistors, protecting adjacent channels and keeping backplane transport cycles stable without dropping the system communication license.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":47598768881854,"sku":"1MRK000284-ABr03","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-05-13_10-37-23_a1f0dcee-893f-41fa-b52a-ad5778f5d9eb.png?v=1780386475","url":"https:\/\/www.autooiltech.com\/products\/abb-1mrk000284-abr03-binary-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}