{"product_id":"bes212-bes212-n-bachmann-bus-expansion-modules","title":"BES212, BES212\/N Bachmann  Bus Expansion Modules","description":"\u003ch2\u003e\n\u003cimg height=\"21\" width=\"50\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/Bachmann_70f48a98-d9af-43aa-8a7a-47e1c1cd4343_480x480.png?v=1697551010\" alt=\"\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Bachmann BES212 and BES212\/N are bus expansion slave modules that connect distributed I\/O SubDevices to a control system through a high-speed bus connection. The modules support daisy-chain interconnection of up to six SubDevices, with a maximum cable distance of 3 m between two stations and an access time below 1.5 us. Both models provide two bus interfaces, while the BES212\/N includes an integrated power supply for the connected SubDevice.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003eBES212, BES212\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBachmann\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBus Expansion Slave Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBES212 Part Number\u003c\/td\u003e\n\u003ctd\u003e00012847-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBES212\/N Part Number\u003c\/td\u003e\n\u003ctd\u003e00012848-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Interfaces\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Number of Stations\u003c\/td\u003e\n\u003ctd\u003eUp to 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Cable Length Between Stations\u003c\/td\u003e\n\u003ctd\u003e3 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Medium\u003c\/td\u003e\n\u003ctd\u003eCAT7 special cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Access Time\u003c\/td\u003e\n\u003ctd\u003eLess than 1.5 us\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum M200 Standard Modules per SubDevice\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Power Supply\u003c\/td\u003e\n\u003ctd\u003eOptional; included in BES212\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage Range\u003c\/td\u003e\n\u003ctd\u003e18-34 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Current Consumption\u003c\/td\u003e\n\u003ctd\u003e1.2 A at 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Power\u003c\/td\u003e\n\u003ctd\u003e17 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+5 V Output Current\u003c\/td\u003e\n\u003ctd\u003e2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+15 V Output Current\u003c\/td\u003e\n\u003ctd\u003e250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-15 V Output Current\u003c\/td\u003e\n\u003ctd\u003e200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse Polarity Protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity, Operation\u003c\/td\u003e\n\u003ctd\u003e5% to 95%,\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity, Storage\u003c\/td\u003e\n\u003ctd\u003e5% to 95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePollution Degree\u003c\/td\u003e\n\u003ctd\u003e2, according to IEC 60664-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprovals and Certificates\u003c\/td\u003e\n\u003ctd\u003eCE, UKCA, cULus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBus Expansion and Distributed I\/O\u003c\/h3\u003e\n\u003cp\u003eThe BES212 series extends the connection between the control system and distributed I\/O stations. Its two bus interfaces support a daisy-chain topology, allowing up to six SubDevices to be interconnected. Each SubDevice can accommodate up to 15 M200 standard modules, subject to the supported system configuration.\u003c\/p\u003e\n\u003cp\u003eThe specified access time of less than 1.5 us describes the bus access performance. The maximum 3 m cable length applies between two stations and uses a CAT7 special cable with RJ45 connectors. These physical and timing limits should be considered when arranging distributed stations.\u003c\/p\u003e\n\u003ch3\u003eBES212 vs. BES212\/N\u003c\/h3\u003e\n\u003cp\u003eThe main documented difference is the integrated power supply. The BES212 is the bus expansion slave module with two interfaces, while the BES212\/N adds an integrated power supply for the SubDevice.\u003c\/p\u003e\n\u003cp\u003eThe integrated supply specification includes a 24 V operating reference, an 18-34 VDC input range, and separate +5 V, +15 V and -15 V output ratings. Verify the required power configuration and station arrangement before selecting the part number.\u003c\/p\u003e\n\u003ch3\u003eCommunication and Power Supply Features\u003c\/h3\u003e\n\u003cp\u003eThe module uses RJ45 connectors to simplify bus cabling. The expansion bus does not require a special protocol for I\/O access; the control system can access the connected modules as if they were local I\/O, according to the specified system architecture.\u003c\/p\u003e\n\u003cp\u003eAn integrated watchdog monitors the slave modules. This function supports supervision of module operation, although the available specifications do not define its timeout value or fault-response behavior.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the difference between BES212 and BES212\/N?\u003c\/p\u003e\n\u003cp\u003eA: Both models provide two bus interfaces for distributed I\/O expansion. The BES212\/N includes an integrated power supply for the SubDevice, whereas the BES212 is listed as the version without that integrated supply.\u003c\/p\u003e\n\u003cp\u003eQ: How many distributed SubDevices can the bus expansion support?\u003c\/p\u003e\n\u003cp\u003eA: The documented configuration supports up to six stations connected in a daisy chain. Each SubDevice can handle up to 15 M200 standard modules, with a maximum cable length of 3 m between adjacent stations.\u003c\/p\u003e\n\u003cp\u003eQ: Which cable should be used for the bus connection?\u003c\/p\u003e\n\u003cp\u003eA: The specified transmission medium is CAT7 special cable with RJ45 connectors. Keep the cable distance between two stations within 3 m.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/Bachmann_70f48a98-d9af-43aa-8a7a-47e1c1cd4343_480x480.png?v=1697551010\" width=\"50\" height=\"21\"\u003eOther Attributes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCountry of Origin: \u003cspan\u003e Austria\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLead Time: In Stock, 2 Working Days\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\n\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/Bachmann_70f48a98-d9af-43aa-8a7a-47e1c1cd4343_480x480.png?v=1697551010\" width=\"50\" height=\"21\"\u003e\u003cspan\u003eIn Stock \u003c\/span\u003e\u003cspan\u003eHot Items \u003c\/span\u003eof Bachmann\u003c\/h2\u003e\n\u003ctable height=\"126\" width=\"483\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\" style=\"border-collapse: collapse; width: 362.27pt;\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"222\" style=\"width: 166.50pt;\"\u003e \u003ccol width=\"138\" style=\"width: 103.50pt;\"\u003e \u003ccol width=\"123\" style=\"width: 92.25pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd width=\"222\" height=\"18\" class=\"et2\" style=\"height: 13.50pt; width: 166.50pt;\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/100-brand-new-wt205v-bachmann-canopen-powerful-temperature-measurement-module-in-stock?_pos=1\u0026amp;_psq=WT205V\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eWT205V\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd width=\"138\" class=\"et2\" style=\"width: 103.50pt;\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/aio288-bachmann-analog-input-output-module-100-brand-new-in-stock?_pos=1\u0026amp;_psq=AIO288\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eAIO288\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd width=\"123\" class=\"et2\" style=\"width: 92.25pt;\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/100-brand-new-fm211-bachmann-fastbus-master-module-in-stock?_pos=1\u0026amp;_psq=FM211\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eFM211\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" class=\"et2\" style=\"height: 13.50pt;\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-bs208-bs208-smd-8-slot-base-rack-in-stock-100-genuine-and-brand-new?_pos=1\u0026amp;_psq=BS208\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eBS208\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-pcc200-pc-cards-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=PCC200\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003ePCC200\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-dio248-digital-input-output-module-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=DIO248\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eDIO248\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" class=\"et2\" style=\"height: 13.50pt;\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-gio212-universal-input-output-module-in-stock?_pos=1\u0026amp;_psq=GIO212\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eGIO212\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-cm202-canopen-master-module-in-stock-100-brand-new?_pos=1\u0026amp;_psq=CM202\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eCM202\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-bs206-backplanes-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=BS206\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eBS206\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" class=\"et2\" style=\"height: 13.50pt;\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-mx220-processor-module-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=MX220\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eMX220\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-acr222-2-axis-controller-module-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=ACR222%2F2\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eACR222\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/100-brand-new-dio216-bachmann-digital-input-output-module-in-stock?_pos=1\u0026amp;_psq=DIO216\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eDIO216\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" class=\"et2\" style=\"height: 13.50pt;\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-mpc240-w-processor-modules-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=MPC240%2FW\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eMPC240\/W\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-isi222-positioning-module-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=ISI222\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eISI222\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-ptai216-temperature-input-module-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=PTAI216\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003ePTAI216\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" class=\"et2\" style=\"height: 13.50pt;\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-nt250-power-supply-module-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=NT250\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eNT250\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-mpc270-processor-modules-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=MPC270\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eMPC270\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-mpc240-processor-modules-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=MPC240\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eMPC240\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" class=\"et2\" style=\"height: 13.50pt;\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-swi205-plc-model-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=SWI205\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eSWI205\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-ai204-2-analog-input-modules-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=AI204%2F2\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eAI204\/2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e\u003ca href=\"https:\/\/www.newgenplc.com\/products\/bachmann-00016586-00-4gb-udma-in-stock-with-factory-sealed?_pos=1\u0026amp;_psq=00016586-00\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003e00016586-00\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOur Competitive Brands\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e- ABB Advant-800xA，Advant OCS，Bailey Infi 90 and Net 90，H\u0026amp;B Freelance 2000，DSQC Robots，IGCT \/ IGBT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- GE General Electric Field Control, Genius I\/O, QuickPanel, RX3i PacSystem, Series 90, Series 90, Series VersaMax\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Allen Bradley Allen-Bradley SLC500, MicroLogix, CompactLogix, ControlLogix, PLC-5, Panel View,\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Bently Nevada 3300 System, 3500 System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Honeywell 7800 Series, FSC, IPC, Mxopen, TDC 2000, TDC 3000, Experion PKS(C200,C300)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Yokogawa Centum CS - Centum VP, Centum XL - micro XL, FA-M3, ProSafe-PLC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Ovation, Foxboro, EPRO, Emerson DeltaV, Fuji, Siemens, HIMA, Prosoft, Invensys Triconex, ICS TRIPLEX, Woodward, Bachmann, Schneider\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"tel:+8618030205725\"\u003e\u003cspan\u003e\u003cstrong\u003eTEL: +86 18030205725 \u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e    \u003ca href=\"maito:manskiwong@cambia.cn\"\u003e\u003cspan\u003e\u003cstrong\u003eE-MAIL: manskiwong@cambia.cn\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Bachmann","offers":[{"title":"Default Title","offer_id":67877956583733,"sku":"BS212","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/BS212_Cocoai.jpg?v=1792479634","url":"https:\/\/www.newgenplc.com\/bg\/products\/bes212-bes212-n-bachmann-bus-expansion-modules","provider":"New-Gen Automation Limited","version":"1.0","type":"link"}