{"product_id":"b-r-x20bm11-x20-bus-module","title":"B\u0026R X20BM11 X20 Bus Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eB\u0026amp;R X20BM11\u003c\/strong\u003e is a specialized \u003cstrong\u003eX20 bus module\u003c\/strong\u003e designed to function as a base for X20 I\/O modules, establishing the internal backplane connection and distribution of the internal I\/O power supply. This module features a 24 VDC mechanical keying mechanism to prevent incorrect module insertion and ensure hardware compatibility within the system configuration. It provides a continuous internal I\/O supply across the backplane, allowing seamless power and data distribution to adjacent modules. The unit is optimized for space-constrained industrial control cabinets, utilizing a compact format to maximize density. It integrates directly into standard B\u0026amp;R X20 control systems, serving high-performance machinery, factory automation, and process engineering setups that demand reliable modular distribution.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrates the standard X20 backplane bus for internal data routing.\u003c\/li\u003e\n\u003cli\u003eFeatures a 24 VDC mechanical keying system to safeguard hardware against incorrect module installation.\u003c\/li\u003e\n\u003cli\u003eDelivers continuous internal I\/O supply distribution across the system rail.\u003c\/li\u003e\n\u003cli\u003eCompact layout with a precise 12.5 mm pitch to support high-density panel builds.\u003c\/li\u003e\n\u003cli\u003eLow power consumption from the bus to maintain system efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentral and distributed I\/O topologies in factory automation.\u003c\/li\u003e\n\u003cli\u003eMachine control systems requiring modular I\/O expansion.\u003c\/li\u003e\n\u003cli\u003eProcess control infrastructure and assembly line sequencing.\u003c\/li\u003e\n\u003cli\u003ePower distribution and signal isolation within X20 controller racks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eB\u0026amp;R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003e\u003cstrong\u003eProduct Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eX20BM11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eX20 Bus Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003e\u003cstrong\u003ePower Consumption (Bus)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e0.13 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003e\u003cstrong\u003ePermissible Contact Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003e\u003cstrong\u003ePitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e12.5+0.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003e\u003cstrong\u003eInternal I\/O Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003eContinuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003e\u003cstrong\u003eKeying\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003e24 VDC keyed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003e2 Kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003eAustria\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003e12.5 mm width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003ch4\u003eDIN Rail Installation\u003c\/h4\u003e\n\u003cp\u003eMount the bus module vertically or horizontally onto a standard 35 mm DIN rail. Ensure the module snaps securely into place on the rail tracking before mounting any electronic I\/O modules.\u003c\/p\u003e\n\u003ch4\u003eInternal I\/O Supply and Keying\u003c\/h4\u003e\n\u003cp\u003eVerify that the 24 VDC keying matches the electronic module intended for insertion. The continuous internal supply transfers power across the backplane contacts; inspect alignment pins prior to seating to avoid terminal damage.\u003c\/p\u003e\n\u003ch4\u003eCooling and Ventilation\u003c\/h4\u003e\n\u003cp\u003eMaintain the recommended clearances above and below the X20 module rack to allow natural convection cooling. Avoid placing high-dissipation heat sources directly underneath the module array.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of this hardware?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt serves as the structural base and electrical backplane connector for the X20 I\/O system, enabling data transfer and power routing between modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this base module isolate the I\/O power supply?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, it provides a continuous internal I\/O supply connection across the bus station.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the 24 VDC keying specification mean?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt means the module has mechanical coding that only accepts X20 electronic modules designed for 24 VDC operation, preventing voltage mismatches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum contact load capacity for the internal bus?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe permissible contact load is rated at a maximum of 10 A.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much power does the unit draw from the bus?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module has an internal bus power consumption of 0.13 W.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the exact physical pitch of the unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe pitch is 12.5 mm with a tolerance allowance of +0.2 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit be swapped out while the system is live?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHot-swapping capabilities depend on the specific configuration of the main X20 controller and the electronic module inserted into it; refer to the system manual before removal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module require independent software configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, it acts as a passive physical and electrical backplane link and does not require independent firmware setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the module secured to the control panel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt snaps directly onto a standard 35 mm DIN rail and interlocks laterally with adjacent X20 bus modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if a module with a different voltage rating is inserted?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe mechanical keying mechanism physically blocks the insertion of modules that do not match the 24 VDC configuration.\u003c\/p\u003e","brand":"B\u0026R","offers":[{"title":"Default Title","offer_id":53086365843819,"sku":"X20BM11","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/x20bm11-buhjao14ufz.png?v=1776138142","url":"https:\/\/www.plcprotech.com\/products\/b-r-x20bm11-x20-bus-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}