{"product_id":"abb-ac-800f-3bdh000530r1-pm-803f-base-unit-16-mb","title":"ABB AC 800F 3BDH000530R1  PM 803F Base Unit 16 MB","description":"\u003ch3\u003eAC 800F Base Unit CPU Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e3BDH000530R1 (PM 803F)\u003c\/strong\u003e is a central base unit within ABB’s AC 800F control system, equipped with a 16 MB battery-buffered RAM architecture. It serves as the core processing unit responsible for executing control logic, managing system communication, and coordinating distributed automation modules.\u003c\/p\u003e\n\u003cp\u003eThe PM 803F is designed as a modular CPU platform, allowing integration of various functional modules depending on application requirements. It is widely used in process automation systems where deterministic control performance and system scalability are required.\u003c\/p\u003e\n\u003ch3\u003eSystem Architecture \u0026amp; Processor Design\u003c\/h3\u003e\n\u003cp\u003eThe PM 803F base unit consists of a CPU main board housed within a modular chassis and supports flexible system expansion:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore Processing Unit:\u003c\/strong\u003e Central CPU module for AC 800F distributed control system operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory Architecture:\u003c\/strong\u003e 16 MB battery-buffered RAM ensures data retention during power interruption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Design:\u003c\/strong\u003e Supports additional functional modules depending on system configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware Dependency:\u003c\/strong\u003e No operating system pre-installed; OS must be loaded during software setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Interface:\u003c\/strong\u003e Equipped with RW 855F contact ledge for system-level connectivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical \u0026amp; Mechanical Data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct ID\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3BDH000530R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eABB Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePM 803F (PM803F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCentral Processing Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 MB Battery-buffered RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABB AC 800F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoftware Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eV7.1 SP2a or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e164 × 202 × 239 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoHS Status\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOperational \u0026amp; System Considerations\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the PM 803F include an operating system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The unit is delivered without a pre-installed operating system. The OS must be installed during system commissioning using ABB software tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the performance difference compared to PM 802F?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe PM 803F has approximately 5–10% lower performance compared to the PM 802F, which should be considered when designing high-load control applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the PM 803F suitable for modern system upgrades?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is still used in existing AC 800F installations, but for new projects ABB typically recommends newer AC 800M-based architectures for higher processing performance and long-term support.\u003c\/p\u003e\n\u003ch3\u003eInstallation \u0026amp; Commissioning Notes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSoftware Compatibility:\u003c\/strong\u003e\u003cbr\u003eEnsure software version V7.1 SP2a or higher is used during installation. Lower versions may not support full hardware functionality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContact Ledge Handling:\u003c\/strong\u003e\u003cbr\u003eThe RW 855F contact ledge must be properly seated during installation to ensure stable communication between CPU and backplane modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Stability:\u003c\/strong\u003e\u003cbr\u003eSince memory is battery-buffered, verify battery condition during maintenance cycles to prevent data loss during unexpected power failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Expansion:\u003c\/strong\u003e\u003cbr\u003eAdditional modules can be integrated into the AC 800F rack, but system load and communication timing should be evaluated during design phase.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52701959356779,"sku":"3BDH000530R1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/3bdh000530r1-23pe3ie1bp4_e32dd7df-ecfc-43eb-afd5-f71e30687633.jpg?v=1766478177","url":"https:\/\/www.plcprotech.com\/products\/abb-ac-800f-3bdh000530r1-pm-803f-base-unit-16-mb","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}