{"product_id":"abb-07kr91-gjr5250000r0101-plc-central-unit","title":"ABB 07KR91 GJR5250000R0101 PLC Central Unit","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB 07KR91 (GJR5250000R0101)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a versatile and reliable\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCentral Unit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAdvant Controller 31\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efamily. It is engineered for decentralized automation, acting as a standalone small-scale PLC or as a node within a larger network. With its integrated I\/O and communication capabilities, the 07 KR 91 provides an \"all-in-one\" solution for machine control, building automation, and distributed processing environments where reliability is paramount.\u003c\/p\u003e\n\u003ch3\u003eTechnical Data\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Designation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e07 KR 91\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGJR5250000R0101\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdvant Controller 31 (AC31)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUser Memory:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e28 kB (For program and data)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital I\/O Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e20 Digital Inputs \/ 12 Digital Relay Outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFast Counter:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 channel (up to 10 kHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReal-Time Clock:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Backup:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRequires Lithium battery\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e07 LE 90\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTypically Germany\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Relay Outputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 12 digital outputs are relay-based, allowing for direct switching of higher current loads without the need for interposing relays in many applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible System Expansion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCS31 system bus\u003c\/strong\u003e, the unit can be expanded with additional distributed I\/O modules, enabling it to manage more complex decentralized systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMulti-Functional COM1 Port:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis serial interface serves a dual purpose: it is used for programming the unit and can also be configured as an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eASCII interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto communicate with peripheral devices like HMIs or printers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes comprehensive self-diagnostic routines that monitor the health of the basic unit, the CS31 bus, and any connected expansion modules, reducing troubleshooting time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDetachable Connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe screw-type terminal blocks can be unplugged, allowing for easy replacement of the central unit without re-wiring the entire system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46720792494270,"sku":"07KR91 GJR5250000R0101","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-05-06_10-57-55_66671895-262c-4ea3-857a-c11cb433e567.png?v=1778037898","url":"https:\/\/www.autooiltech.com\/products\/abb-07kr91-gjr5250000r0101-plc-central-unit","provider":"AutoOilTech Limited","version":"1.0","type":"link"}