{"product_id":"3bdz000398r1-rlm01-abb-profibus-redundancy-link-modules","title":"3BDZ000398R1 RLM01 ABB PROFIBUS Redundancy Link Modules","description":"\u003cp\u003eConfigured for optical and electrical signal duplication in PROFIBUS-DP network segments, the \u003cstrong\u003eABB 3BDZ000398R1\u003c\/strong\u003e (\u003cstrong\u003eRLM01\u003c\/strong\u003e PROFIBUS Redundancy Link Module) provides direct physical\/electrical execution to convert non-redundant line architectures into redundant bus configurations.\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\u003e3BDZ000398R1 (RLM01)\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.46 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard DIN-rail module form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC external supply input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol Type\u003c\/td\u003e\n\u003ctd\u003ePROFIBUS-DP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e1 main line to dual redundant lines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Speed\u003c\/td\u003e\n\u003ctd\u003eAuto-sensing, up to 12 Mbit\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks and Bus Redundancy\u003c\/h3\u003e\n\u003cp\u003eThe RLM01 module interfaces a single non-redundant PROFIBUS-DP master or slave device to two redundant transmission lines (Line A and Line B). It monitors signal traffic and automatically routes incoming data packets to both lines concurrently without protocol latency. During frame transmission, internal logic selects the first error-free telegram received from either line, suppressing cross-talk and jitter to preserve deterministic network execution across industrial fieldbus structures.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the RLM01 module require software node addressing or configuration files?\u003c\/p\u003e\n\u003cp\u003eA: No, the module operates transparently at Bit Physical Layer (Layer 1) and automatically adjusts to the PROFIBUS-DP transmission speed without requiring address allocation or software parameterization.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle a wire break or signal fault on one of the redundant lines?\u003c\/p\u003e\n\u003cp\u003eA: If a signal interruption occurs on one line, the internal signal selector automatically switches to the secondary valid line without frame loss or disruption to the connected slave unit.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the module securely onto a standard 35 mm DIN rail inside an IP54 or higher rated field enclosure.\u003c\/li\u003e\n\u003cli\u003eConnect dual 24 VDC power supply lines to the redundant input terminals to maintain module availability during power rail fault events.\u003c\/li\u003e\n\u003cli\u003eEnsure all RS-485 PROFIBUS cables utilize shielded twisted-pair wire and that line terminators are active at both physical ends of Line A and Line B.\u003c\/li\u003e\n\u003cli\u003eBond the DIN rail and module grounding terminal directly to the central functional earth bar using short, low-impedance copper conductors.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53211965915445,"sku":"RLM01 3BDZ000398R1","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/RLM013BDZ000398R1.png?v=1784872872","url":"https:\/\/www.5gplc.com\/products\/3bdz000398r1-rlm01-abb-profibus-redundancy-link-modules","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}