{"product_id":"abb-07kr51-ac31-plc-cpu-module-1sbp260011r1001","title":"ABB 07KR51 AC31 PLC CPU Module 1SBP260011R1001","description":"\u003ch2\u003eABB 07KR51 AC31 PLC CPU Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB 07KR51-W3.6\u003c\/strong\u003e (order code \u003cstrong\u003e1SBP260011R1001 W3.9\u003c\/strong\u003e), also cataloged as the \u003cstrong\u003e07KR51\u003c\/strong\u003e CPU Module, operates as a dedicated hardware component for integrated control logic execution and local\/distributed I\/O management within Advant Controller 31 PLC platforms.\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-W3.6 (Order Code: 1SBP260011R1001 W3.9)\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\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003ePLC CPU Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated I\/O\u003c\/td\u003e\n\u003ctd\u003e8 digital inputs (24 VDC, PNP\/NPN), 6 relay outputs (250 VAC \/ 2 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Memory\u003c\/td\u003e\n\u003ctd\u003e34 KB user program memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Storage\u003c\/td\u003e\n\u003ctd\u003eNon-volatile RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interfaces\u003c\/td\u003e\n\u003ctd\u003eRS232 (Modbus, ASCII), CS31 bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal Expansion Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 6 local modules (~110 digital or 36 analog I\/O)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistributed Expansion Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to ~1000 I\/O points via CS31 bus (maximum 31 nodes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane drawn (24 VDC internal, load dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage (Uout)\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e120 x 93 x 84 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +55 deg C (horizontal), 0 deg C to +40 deg C (vertical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +75 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003eMax 75% average, 95% occasional non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic CS31 Bus Communication and Local I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe CPU utilizes the proprietary CS31 serial bus protocol to handle remote, deterministic I\/O expansion up to 31 slave nodes, extending system capacity to approximately 1000 I\/O points. Local I\/O density scaling is executed via the physical integration of up to 6 local expansion modules directly connected to the CPU. The internal backplane bus interface coordinates data cycles across local digital and analog channels, preventing latency spikes during intensive execution tasks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How do the mounting orientations affect the thermal ratings of the CPU?\u003c\/p\u003e\n\u003cp\u003eA: Horizontal mounting on a DIN rail supports operation up to +55 deg C. Vertical mounting restricts passive convective heat dissipation, limiting the maximum operating temperature to +40 deg C.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 07KR51 real-time clock maintain its configuration after power loss?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the integrated real-time clock and program memory are supported by non-volatile storage to retain critical variables and timing data during unpowered states.\u003c\/p\u003e\n\u003cp\u003eQ: Does the RS232 programming port support simultaneous HMI and software communication?\u003c\/p\u003e\n\u003cp\u003eA: The physical RS232 port operates on a single active protocol line (ASCII or Modbus) and must be switched or multiplexed to handle alternate software tasks.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN-Rail Mounting Stability:\u003c\/strong\u003e Clip the module onto a standard 35 mm DIN rail, verifying that the physical metal locking tab snaps completely into place to prevent vibrational slippage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Separation:\u003c\/strong\u003e Route the low-voltage 24 VDC digital input cables and RS232 communication lines through dedicated trays separated from high-voltage 250 VAC relay output wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding:\u003c\/strong\u003e Connect the CS31 bus cable shields to the functional ground bar at the entry point of the cabinet to prevent high-frequency noise injection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Dissipation Spacing:\u003c\/strong\u003e Maintain a minimum clearances of 50 mm above and below the module to facilitate convective airflow.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43865636175971,"sku":"07KR51 1SBP260011R1001 W3.9","price":676.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/383_ad46f65e-e494-4892-8f78-41ef696ae06e.jpg?v=1764575319","url":"https:\/\/www.autocontrolglobal.com\/products\/abb-07kr51-ac31-plc-cpu-module-1sbp260011r1001","provider":"AutoControl Global","version":"1.0","type":"link"}