{"product_id":"abb-procontic-fpr3600227r1202-07-kr-31-central-processing-units","title":"ABB Procontic FPR3600227R1202 07 KR 31 Unités centrales de traitement","description":"\u003ch1\u003e\u003cspan\u003eSystem Profile\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e07 KR 31 (07KR31)\u003c\/strong\u003e, also identified under the part number\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFPR3600227R1202\u003c\/strong\u003e, is a high-performance Central Processing Unit (CPU) specifically developed for the ABB Procontic series. This controller is a cornerstone for legacy industrial automation and control systems in sectors such as metallurgy, specialized machine manufacturing, and chemical processing. In an era where system uptime is critical, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e07 KR 31\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides a stable and robust platform for managing complex digital and analog logic. Its integrated 24 VDC power supply and support for the CS31 remote bus architecture allow for a distributed control strategy, enabling engineers to maintain legacy infrastructure with high reliability while avoiding the prohibitive costs of a total system overhaul.\u003c\/p\u003e\n\u003ch3\u003eArchitectural Framework and Mapping\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e07 KR 31\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a master controller capable of managing extensive I\/O data through its internal memory and external bus interfaces.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated I\/O:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe basic unit features 12 local digital inputs (E 62,00 to E 62,11) and 8 relay digital outputs (A 62,00 to A 62,07), providing immediate control capability without peripheral modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCS31 Bus Expansion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt supports a massive remote I\/O range, accommodating up to 61 remote modules. This allows for thousands of binary flags (M-flags) and hundreds of word-based operands (MW) to be processed in real-time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Processing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDedicated hardware addresses handle high-speed counting and zero-crossing detection (E 63,13 and E 63,14), essential for precise positioning or frequency-based tasks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe CPU reserves specific memory areas (M 255,00 range) for system diagnostics, ensuring that hardware faults or bus errors are captured and reported immediately to the HMI or supervisory system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance and Hardware Specifications\u003c\/h3\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\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e07 KR 31 (07KR31)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFPR3600227R1202\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eABB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProcontic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLocal Digital Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 Inputs (24 VDC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLocal Digital Outputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Relay Outputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCounter Functions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-speed counter \u0026amp; Zero-crossing counter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Net Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.40 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10.20 x 7.60 x 12.70 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 55 deg Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Status\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eObsolete (Legacy Support Available)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eExpert Support FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 07 KR 31 directly compatible with 07 KT 31 modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the 07 KR 31 is designed to integrate seamlessly with 07 KT 31 series modules and various function modules, allowing for expanded analog processing and specialized control tasks within the same rack or bus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the CPU handle power fluctuations in a 24 VDC environment?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe internal 24 VDC power supply is industrial-grade, designed to handle standard industrial voltage tolerances. However, for environments with high electrical noise or instability, an external regulated power supply and surge protector are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary method for troubleshooting bus communication errors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUsers should monitor the diagnostic flags ranging from M 255,00 to M 255,15. These flags provide specific error codes related to the CS31 remote bus integrity and internal CPU status.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering \u0026amp; Maintenance Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRelay Output Longevity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSince the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e07 KR 31\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes mechanical relay outputs, it is vital to check the load types. For inductive loads (such as solenoids or contactors), always install external RC snubbers or flyback diodes to prevent arcing, which can weld the internal relay contacts over time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCS31 Bus Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe CS31 bus is sensitive to electromagnetic interference. Ensure the bus cable shield is grounded at a single point (usually at the CPU end) to prevent ground loops while effectively draining induced noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlthough this unit is robust, ensure the internal memory backup battery is checked during annual shutdowns. A depleted battery will lead to the loss of user programs and flag settings (KW\/MW data) during a power cycle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCooling and Airflow:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGiven its compact dimensions, do not obstruct the ventilation slots on the top or bottom of the housing. Maintain at least 20 mm of clearance from adjacent wiring ducts to ensure passive convection keeps the internal components within the rated 55 deg Celsius limit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52701958537579,"sku":"07KR31","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/07kr31-tkzo3cysdxy_834ded44-d989-4ad5-969b-e1538fc58898.jpg?v=1766478156","url":"https:\/\/www.plcprotech.com\/fr\/products\/abb-procontic-fpr3600227r1202-07-kr-31-central-processing-units","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}