{"product_id":"abb-dstc-406-module-termination-unit","title":"ABB DSTC 406 Module Termination Unit","description":"\u003cp\u003eThe \u003cstrong\u003eABB DSTC 406 57520001-DX\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDSTC 406\u003c\/strong\u003e Module Termination Unit, operates as a dedicated hardware component for impedance matching and signal line continuity within MasterPiece \/ Advant OCS network segments. The device directly bridges connections between the Short Distance Bus (SDB) and Long Distance Bus (LDB), providing impedance termination on the SDB circuit boundary for final modem interfaces.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003eDSTC 406\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct ID\u003c\/td\u003e\n\u003ctd\u003e57520001-DX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.025 kg net\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e60 mm x 35 mm x 272 mm (W x H x D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C (Standard backplane deployment baseline)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive architecture (No external power required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Dependency\u003c\/td\u003e\n\u003ctd\u003eOperates in conjunction with modem DSTC 452\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit Function\u003c\/td\u003e\n\u003ctd\u003ePassive electrical termination for SDB segments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Networks \u0026amp; I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe passive circuit matrix is layout-optimized to prevent signal degradation across localized bus segments linked to Profinet \/ EtherNet\/IP deterministic networks. By ensuring physical termination compliance on final modem loops, the hardware limits wave reflections that could affect data frame synchronization. It supports systematic I\/O density scaling profiles across adjacent field bus interface cards, maintaining precise line metrics without requiring backplane bus communication velocity licenses or altering active firmware flash compatibility metrics.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is a separate DSTC 406 unit required for every modem configured on the bus segment?\u003c\/p\u003e\n\u003cp\u003eA: No. One DSTC 406 unit is required specifically for the final modem operating on the designated Short Distance Bus (SDB) line to close the electrical communication circuit.\u003c\/p\u003e\n\u003cp\u003eQ: Can this termination module be extracted or connected while the adjacent bus lines are under power?\u003c\/p\u003e\n\u003cp\u003eA: No. Although the unit is a passive component, removing it while the network is active will disrupt the signal impedance of the SDB line, leading to data dropouts or bus faults on the host controller.\u003c\/p\u003e\n\u003cp\u003eQ: Does the module require configuration software to establish proper termination parameter states?\u003c\/p\u003e\n\u003cp\u003eA: No. The hardware provides static electrical termination through its physical internal copper path layout, requiring no register programming or software parameter adjustments.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the termination unit securely within the subrack or tracking channel adjacent to the target DSTC 452 modem, verifying physical seat alignment.\u003c\/li\u003e\n\u003cli\u003eMaintain a minimum separation of 100 mm between the bus communication cables and internal high-voltage AC circuit conductors inside the cabinet.\u003c\/li\u003e\n\u003cli\u003eVerify that the network cable shield braids are terminated continuously at a single ground block to block high-frequency industrial noise.\u003c\/li\u003e\n\u003cli\u003eSecure all mechanical connections to prevent resistance changes at the terminal interfaces from environmental vibration.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53054484185397,"sku":"DSTC 406 57520001-DX","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/DTC40657520001-DX.png?v=1782897970","url":"https:\/\/www.5gplc.com\/products\/abb-dstc-406-module-termination-unit","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}