{"product_id":"siemens-6es7478-2dx00-0aa0-simatic-connection-tbx478-interface-module","title":"Siemens 6ES7478-2DX00-0AA0 SIMATIC Connection TBX478 Interface Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e6ES7478-2DX00-0AA0 (6ES74782DX000AA0)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized connection terminal block (TBX478) designed for high-level interface operations within the SIMATIC industrial automation ecosystem.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-27 citation-end-27\"\u003eThis module is specifically engineered to facilitate the connection for the Input\/Output-Bus, providing the necessary interface for I\/O-Bus 1 and 2.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-26\"\u003eIt is a mandatory system component that functions exclusively in combination with the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eTPM478\u003c\/strong\u003e\u003cspan class=\"citation-26 citation-end-26\"\u003e\u003cspan\u003e \u003c\/span\u003e(Terminal Processor Module).\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eTogether, they provide the robust data throughput and signal synchronization required for complex, high-speed PLC processing environments.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\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\u003e6ES7478-2DX00-0AA0\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 Interface Modules\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConnection TBX478 (Terminal Block)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBus Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eI\/O-Bus 1 \/ I\/O-Bus 2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRequired Pairing\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTPM478\u003c\/strong\u003e (Mandatory for operation)\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\u003e180 mm x 250 mm x 52.5 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.75 kg (Approx. 1.65 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Phase\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eObsolete (Legacy Support Only)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommodity Code\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e85389091\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eECCN Regulation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eN (Non-restricted)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eOperational Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e6ES7478-2DX00-0AA0\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a critical junction point for the I\/O-Bus communication layer. In large-scale Siemens configurations, it ensures that data packets between the processor and the distributed periphery remain consistent and interference-free. Due to its \"Obsolete\" status, this module is primarily used in maintenance and repair cycles for existing industrial lines where the TPM478\/TBX478 architecture is already established. Its robust mechanical design allows it to withstand the thermal and vibrational stresses typical of centralized control cabinets.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the 6ES7478-2DX00-0AA0 as a standalone interface?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The module is non-functional without the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTPM478\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule. It serves as the physical connection interface (TBX) for the logic processing performed by the TPM.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the I\/O-Bus 1\/2 interface?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis interface manages the high-speed exchange of digital and analog signals between the central controller and specific specialized I\/O racks, ensuring that time-critical production data is prioritized.\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":52716786024811,"sku":"6ES7478-2DX00-0AA0","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/6es7478-2dx00-0aa0-1htdxjkkgdq_08ab0de8-de12-4753-94d6-ecb29de5311c.jpg?v=1767089743","url":"https:\/\/www.plcprotech.com\/products\/siemens-6es7478-2dx00-0aa0-simatic-connection-tbx478-interface-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}