{"product_id":"abb-07kr51-cpu-module","title":"ABB 07KR51 CPU Module","description":"\u003cp\u003eThe \u003cstrong\u003eABB 07KR51 1SBP260014R1001\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e07KR51\u003c\/strong\u003e CPU Module, operates as a dedicated hardware component for localized logic execution and decentral processing within ABB CS31 fieldbus network platforms. Configured for low-density machinery control applications, this compact central processing unit features integrated digital I\/O channels. It executes Boolean ladder logic and binary status evaluations natively at the hardware tier to drive real-time relay control loops parallel to master control structures.\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\u003e07KR51 (1SBP260014R1001)\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\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.51 lbs (0.23 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard compact DIN-rail form factor profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C (Standard industrial deployment envelope)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e230 VAC nominal input potential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Density\u003c\/td\u003e\n\u003ctd\u003e8 integrated digital inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Density\u003c\/td\u003e\n\u003ctd\u003e6 integrated relay outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eCS31 fieldbus connection port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Lifecycle Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCPU Processors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control \u0026amp; Network Processing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity and CS31 Topology\u003c\/strong\u003e The 07KR51 incorporates a dedicated serial CS31 fieldbus transceiver interface. Operating parallel to the central processing unit's cyclic program scan, this hardware layer handles packet serialization and frame checking to transmit local status registers across the twist-pair network line, facilitating high-velocity I\/O data replication back to a master control unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility and Digital Isolation\u003c\/strong\u003e The processing architecture relies on onboard non-volatile memory arrays to store and execute user program instructions securely without battery backup dependency. Optoelectronic isolation paths separate the 8 digital inputs from the core logic registers, preventing field-side voltage spikes from corrupting the internal processor chip or altering standard memory stack execution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What specific hardware behaviors or error indicators occur if the CS31 bus network line breaks?\u003c\/p\u003e\n\u003cp\u003eA: The onboard network controller immediately registers a bus timeout, halts synchronous packet transmissions, and flags an unmasked fieldbus error to the diagnostic register. The module illuminates the red error LED on its faceplate while its local program logic acts on the pre-configured safe-state parameters for the 6 integrated relay outputs.\u003c\/p\u003e\n\u003cp\u003eQ: Is this 230 VAC powered central processing module hot-swappable during active machine operation?\u003c\/p\u003e\n\u003cp\u003eA: No, the 07KR51 does not support hot-swapping. Because it is hardwired directly to a 230 VAC power source and parallel communication terminals, disconnecting the module while energized can generate hazardous inductive voltage arcs, cause localized short-circuits, and cause permanent component destruction to the internal bus logic.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45124413063283,"sku":"07KR51 1SBP260014R1001","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-06_11-37-35_5e644fe4-5a5d-424f-a0a6-46bc2560be08.png?v=1782186336","url":"https:\/\/www.dcssupplier.com\/products\/abb-07kr51-cpu-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}