{"product_id":"b-r-x20bb57-compact-s-plc-bus-base-module","title":"Module base bus automate Compact-S B\u0026R X20BB57","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20BB57 (X20BB57)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a foundational bus module specifically engineered for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eB\u0026amp;R X20 Compact-S PLC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries. Functioning as the primary backplane, it provides the essential mechanical and electrical interface for the Compact-S CPU and its corresponding power supply modules. This module is designed to streamline system architecture by integrating dual communication interfaces—\u003cstrong\u003eRS232\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCAN bus\u003c\/strong\u003e—directly into the base hardware. Ideal for space-constrained applications in mobile automation, specialized machinery, and distributed control systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20BB57\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures high-speed backplane communication while maintaining a robust\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10 A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epower distribution capacity across the I\/O segment.\u003c\/p\u003e\n\u003ch3\u003eHardware Architecture and Interface Logic\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20BB57\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the backbone of the Compact-S station, managing both power delivery and high-level communication protocols within a single hardware footprint.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Communications:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with one\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS232\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eport and one\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCAN bus\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econnection, facilitating direct peripheral integration without additional interface cards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNon-Isolated Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePer the engineering specification (ID code\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0xEB09\u003c\/strong\u003e), the Bus, CAN bus, and RS232 interfaces share a common potential. This design minimizes internal propagation delays and power consumption (\u003cstrong\u003e0.55 W\u003c\/strong\u003e).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUniversal Mounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike many specialized bases, this module supports both\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehorizontal and vertical\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emounting orientations, providing mechanical flexibility for shallow or tall control cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cspan\u003e\u003cstrong\u003eX20BB57\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cspan\u003e\u003cstrong\u003eB\u0026amp;R (Bernecker + Rainer)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cspan\u003eCompact-S PLC Base \/ Backplane\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cspan\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cspan\u003e1x RS232, 1x CAN bus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cspan\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cspan\u003e24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cspan\u003e\u003cstrong\u003ePermissible Contact Load\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cspan\u003e10 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption (Bus)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cspan\u003e0.55 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp (Horiz.)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cspan\u003e-25 to 60 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp (Vert.)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cspan\u003e-25 to 50 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cspan\u003e\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55.7762%;\"\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8628%;\"\u003e\u003cspan\u003e1.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the X20BB57 provide electrical isolation between the CAN bus and RS232?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20BB57\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed with the Bus, CAN bus, and RS232 interfaces\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enot isolated\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom each other. In environments with significant potential differences or high electrical noise, engineers should use external isolation barriers or ensuring a common high-quality reference ground to prevent signal corruption.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does installation altitude affect the performance of this bus module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor installations up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2000 m\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eabove sea level, there are no limitations. For elevations exceeding\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2000 m\u003c\/strong\u003e, you must apply a derating factor to the ambient temperature of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.5 Celsius per 100 m\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto account for reduced air density and cooling efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum current I can run through the I\/O power supply contacts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module supports a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epermissible contact load of 10 A\u003c\/strong\u003e. This rating is critical when calculating the total current draw of all downstream I\/O modules attached to the Compact-S backplane to prevent thermal damage to the bus contacts.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOrientation-Based Thermal Limits:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNote that the maximum operating temperature drops from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e60 Celsius\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(horizontal) to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50 Celsius\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(vertical). In vertical installations, rising heat from lower modules can accumulate; ensure forced-air cooling is utilized if the cabinet density is high.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterface Wiring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSince the RS232 and CAN interfaces are not isolated, always use high-quality shielded cables. Connect the cable shields to the ground bar at the cabinet entry point to mitigate the risk of ground loops affecting the CPU logic via the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20BB57\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebackplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eID Code Verification:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDuring software commissioning in B\u0026amp;R Automation Studio, the hardware will report ID code\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0xEB09\u003c\/strong\u003e. Ensure the hardware configuration in your project matches this ID exactly to enable full functionality of the CAN and RS232 drivers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eX20BB57\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a \"hardened\" backplane solution designed for reliability. Its wide operating temperature range (down to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-25 Celsius\u003c\/strong\u003e) makes it suitable for outdoor control panels and cold-storage automation. By integrating the backplane and communication ports into a single unit, it reduces the number of physical connections, thereby increasing the Mean Time Between Failures (MTBF). The robust\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIP20\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehousing and the ability to withstand up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e95% non-condensing humidity\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensure stable performance in the most demanding industrial climates.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"B\u0026R","offers":[{"title":"Default Title","offer_id":53086379147627,"sku":"X20BB57","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/x20bb57-hynak5zhfxr.png?v=1776064760","url":"https:\/\/www.plcprotech.com\/fr\/products\/b-r-x20bb57-compact-s-plc-bus-base-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}