{"product_id":"abb-1mrk000284-aa-relion®-binary-input-module-digital-i-o","title":"ABB 1MRK000284-AA Relion® Binary Input Module Digital I\/O","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB 1MRK000284-AA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBinary Input Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithin the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRelion®\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprotection and control family. Designed for substation automation and power system protection, it monitors the status of switches, pushbuttons, and sensors to provide precise digital signal acquisition. This module ensures accurate, real-time monitoring and reliable interfacing between field devices and the control logic.\u003c\/p\u003e\n\u003cp\u003eIts compact form factor supports DIN rail or panel mounting, while robust galvanic isolation protects sensitive electronics from voltage surges in high-voltage environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1MRK000284-AA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a digital interface for protection relays, capturing binary signals from high-voltage switchgear, circuit breakers, disconnectors, and manual inputs. Each of the 24 input channels is configurable, and signals are transmitted to the main relay unit for processing. The module includes LED indicators for real-time channel status, along with a test button for diagnostics.\u003c\/p\u003e\n\u003cp\u003eThe \"AA\" revision specifies a hardware variant with predefined input voltage thresholds and relay output capacity, ensuring compatibility with ABB COMBIFLEX systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Signal Detection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMillisecond response time suitable for fast protection schemes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDebounce filtering prevents false triggers from mechanical contacts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Safety and Isolation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eGalvanically isolated inputs safeguard the control electronics from high-voltage transients.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh dielectric strength ensures reliability in demanding substation environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Voltage Support\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHandles a wide input range from 24 VDC up to 250 VDC depending on configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow power consumption minimizes load on station batteries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostics and Reliability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated self-monitoring triggers alarms if any internal fault occurs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLED indicators provide visual confirmation of input status for field personnel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMounting and Integration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with DIN rail and panel installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSeamlessly integrates with Relion® relay systems for monitoring and protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications Table\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eFeature\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eProduct ID\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e1MRK000284-AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eBinary Input (Digital I\/O)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eSystem Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRelion® \/ COMBIFLEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e24 Configurable Binary Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e24–250 VDC (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRelay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOutput Contact Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e2A at 250 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eGalvanic between input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eStatus Indicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eLED for each input, test button included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMounting Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eDIN Rail or Panel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eProtection Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e-40°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eDimensions (H×W×D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e156 mm × 125 mm × 81 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMonitoring status of circuit breakers, disconnectors, and pushbutton commands in substations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegration with Relion® COMBIFLEX relays for power system protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital signal acquisition for control systems in high-voltage automation environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can this module handle multiple voltage standards?\u003c\/strong\u003e\u003cbr\u003eA1: Yes, the 1MRK000284-AA can accommodate a range of DC voltages up to 250 V depending on the sub-model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: How does the module indicate input activity?\u003c\/strong\u003e\u003cbr\u003eA2: Each channel has a dedicated LED, and a test button allows manual verification of signal paths.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Is hot-swapping supported?\u003c\/strong\u003e\u003cbr\u003eA3: Hot-swap depends on the relay rack configuration; always follow ABB safety and LOTO procedures.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44126392582243,"sku":"1MRK000284-AA","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/ABB1MRK000284-AA.jpg?v=1776651226","url":"https:\/\/precisemodule.com\/products\/abb-1mrk000284-aa-relion%c2%ae-binary-input-module-digital-i-o","provider":"Precise Module Ltd.","version":"1.0","type":"link"}