{"product_id":"siemens-simatic-s7-s7-400-6es7403-1ta11-0aa0-racks","title":"Siemens Simatic S7 S7-400 6ES7403-1TA11-0AA0 Racks","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e6ES7403-1TA11-0AA0 (6ES74031TA110AA0)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a heavy-duty\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eER1 Extension Rack\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for the SIMATIC S7-400 automation system. This 18-slot chassis provides the physical framework and backplane communication necessary to expand the I\/O capacity of an S7-400 controller. Engineered for maximum durability, the ER1 variant is specifically used for \"Extension\" purposes where local or remote I\/O modules are required, but where certain central processing functions (like multi-computing) are not utilized in that specific rack. It serves as the backbone for high-density I\/O configurations in large-scale industrial plants.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSiemens\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e6ES7403-1TA11-0AA0\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Family\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSIMATIC S7-400\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRack Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eER1 (Extension Rack)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18 Slots\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBus Logic\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eP-Bus (Peripheral Bus) support only\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRequires IM 461 interface module for connection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAluminum \/ Steel Construction\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e482.5 mm x 290 mm x 27.5 mm (Standard 19-inch width)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 3.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupports S7-400 PS 405\/407 modules\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCabinet \/ 19-inch Rack Mount\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eStructural Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e6ES7403-1TA11-0AA0\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for the expansion of peripheral modules (Signal Modules, Function Modules, and Communication Processors). It features a \"P-Bus\" backplane, which allows for the high-speed exchange of I\/O data. However, unlike the UR (Universal Rack) series, the ER1 does\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enot\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupport the \"K-Bus\" (Communication Bus), meaning it cannot house certain communication modules or CPUs that require inter-processor communication. Its 18-slot capacity makes it one of the largest expansion frames available, ideal for centralized cabinets managing hundreds of I\/O points.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the main difference between the ER1 and the UR1 rack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ER1 (\u003cstrong\u003e6ES7403-1TA11-0AA0\u003c\/strong\u003e) only supports the P-Bus (Peripheral Bus) and is intended solely for I\/O expansion. The UR1 (Universal Rack) supports both P-Bus and K-Bus, allowing it to house CPUs and more complex communication processors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I connect this rack to the Central Controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo link the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eER1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto a central S7-400 rack, you must install an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIM 461\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einterface module in the ER1 and connect it via a specialized cable to an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIM 460\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule located in the central rack.\u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":52716786418027,"sku":"6ES7403-1TA11-0AA0","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/6es7403-1ta11-0aa0-khelq0knhei_e112b294-e99a-4b2f-a850-e25874f58509.jpg?v=1767089758","url":"https:\/\/www.plcprotech.com\/fr\/products\/siemens-simatic-s7-s7-400-6es7403-1ta11-0aa0-racks","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}