{"product_id":"brand-new-07kr91-abb-controller-30kb-flash-eprom-memory","title":"Brand New 07KR91 ABB Controller | 30kB Flash EPROM Memory","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB 07KR91\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a robust Central Processing Unit (CPU) within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProcontic CS31\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eautomation family. This master unit integrates high-density I\/O—featuring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e20 digital inputs (24VDC)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12 heavy-duty relay outputs\u003c\/strong\u003e—into a single, compact chassis. It manages complex automation tasks via its 30kB Flash EPROM user memory and supports advanced high-order functions including PID control and data handling. Designed for decentralized and standalone control, the 07KR91 facilitates rapid communication across the CS31 system bus, making it a cornerstone for mid-range industrial machine control and process automation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100% Brand New Original.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 07KR91 CPU balances high-speed pulse processing with reliable mechanical relay switching for diverse field applications.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20 Channels (24 V DC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDigital Outputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 Relay Channels (2A per channel)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUser Program Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 kB Flash EPROM \/ Non-volatile RAM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Bus\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCS31 Bus (RS-485)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSerial Communication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProgrammable RS-232 Port\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHardware Counter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Channel, 10 kHz Max Frequency\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAnalog Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 224 AI \/ 224 AO (via expansion)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25.4 cm x 7.6 cm x 10.2 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGermany (DE)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated High-Speed Counting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe dedicated 10 kHz hardware counter processes fast pulse signals from encoders or flow meters. This hardware-level execution ensures the CPU accurately tracks high-speed motion or volume without straining the main program cycle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect High-Load Switching:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike transistor-output controllers, the 07KR91 features 12 integrated relay outputs. Each relay handles up to 2A, allowing the CPU to drive solenoid valves, contactors, and small motors directly from the unit without requiring external interposing relays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust CS31 Bus Networking:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated RS-485 system bus supports the CS31 protocol, enabling the unit to act as a master for up to 1000 digital I\/Os. This architecture simplifies decentralized control, allowing you to bridge long distances between the CPU and remote I\/O nodes with high noise immunity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtreme Environmental Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eABB certifies this unit for operation between 0°C and +55°C, featuring various marine and industrial certifications (ABS, DNV, GL, LR). The internal Flash EPROM and non-volatile RAM protect your critical user data and program logic against power loss without relying solely on external batteries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use the 07KR91 to replace an older Procontic 07KR91 version?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. This brand new 07KR91 maintains compatibility with the Procontic CS31 series. However, always verify that your current I\/O mapping and communication parameters match the 30kB memory and 10kHz counter specifications of this specific revision.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 24VDC power supply requirement apply to the inputs as well?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The CPU requires a stable 24VDC power supply for its internal logic, and the 20 digital inputs are designed to sense 24VDC signals. The relay outputs, however, can switch higher voltages (up to 230V AC\/DC) depending on your circuit design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What software is required to program the RS-232 port?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: You program the 07KR91 using standard ABB Procontic programming tools. The RS-232 port remains fully programmable, allowing you to interface the CPU with HMIs, printers, or third-party modems for data logging and remote monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do the PID functions perform on this unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The 07KR91 includes pre-defined high-order function blocks for PID control. It processes analog values (up to 224 AI\/AO via CS31 expansion) with high precision, making it suitable for temperature regulation, pressure control, and level management tasks.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":42974922375283,"sku":"07KR91","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/193..jpg?v=1774939408","url":"https:\/\/www.dcssupplier.com\/products\/brand-new-07kr91-abb-controller-30kb-flash-eprom-memory","provider":"DcsSupplier Limited","version":"1.0","type":"link"}