{"product_id":"abb-rlm-02-3bse091723r1-profibus-redundancy-link-module","title":"ABB RLM 02 3BSE091723R1 PROFIBUS Redundancy Link Module","description":"\u003cp\u003eConfigured for PROFIBUS line redundancy in industrial communication architectures, the \u003cstrong\u003eABB RLM02 3BSE091723R1\u003c\/strong\u003e (\u003cstrong\u003eRLM02\u003c\/strong\u003e Communication Module) provides direct physical\/electrical execution.\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\u003eRLM02 3BSE091723R1\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\u003eStandard ABB Manufacturing\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\u003e175.5 mm x 103.5 mm x 90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C (Standard Industrial Range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC Auxiliary Supply Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Type\u003c\/td\u003e\n\u003ctd\u003eRS485 Physical Layer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Protocol\u003c\/td\u003e\n\u003ctd\u003ePROFIBUS DP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Conversion\u003c\/td\u003e\n\u003ctd\u003e1 Non-Redundant Line to 2 Redundant RS485 Lines (and vice versa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Compliance\u003c\/td\u003e\n\u003ctd\u003eEU Directive 2011\/65\/EU (RoHS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMarine Certification\u003c\/td\u003e\n\u003ctd\u003eGermanischer Lloyd (GL) Cat. A, B, C, D (Requires 3BDZ000397R1 Filter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe RLM02 converts a single non-redundant PROFIBUS line into two parallel, line-redundant RS485 channels to ensure deterministic networks without data loss. Internal signal-shaping circuits process incoming serial frames to preserve backplane bus communication velocity and transmission waveform integrity. Automatic line monitoring maintains continuous bus availability, switching copper physical paths upon detecting line errors or signal attenuation. Full firmware flash compatibility ensures direct integration with standard PROFIBUS master and slave nodes across System 800xA and S800 I\/O architectures.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is required to satisfy Germanischer Lloyd (GL) marine certification for the RLM02 module?\u003c\/p\u003e\n\u003cp\u003eA: Marine certification under GL Categories A, B, C, and D requires the installation of an external power supply filter (ABB Part Number 3BDZ000397R1) on the incoming power feed.\u003c\/p\u003e\n\u003cp\u003eQ: How does the RLM02 manage PROFIBUS signal conversion?\u003c\/p\u003e\n\u003cp\u003eA: The module operates bi-directionally on the RS485 physical layer, converting one standard PROFIBUS channel into two redundant PROFIBUS RS485 lines and vice versa without protocol translation delays.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module securely on a grounded DIN rail inside a protective cabinet enclosure.\u003c\/li\u003e\n\u003cli\u003eInstall the 3BDZ000397R1 power supply filter in series with the incoming 24 VDC supply lines when operating in GL-certified installations.\u003c\/li\u003e\n\u003cli\u003eEnsure both redundant PROFIBUS RS485 lines are terminated with active 120 ohm bus termination resistors at both end nodes.\u003c\/li\u003e\n\u003cli\u003eRoute redundant RS485 communication cables through separate physical conduits to maintain physical path isolation against localized physical damage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53236617118005,"sku":"RLM 02 3BSE091723R1","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/RLM02.png?v=1785488001","url":"https:\/\/www.5gplc.com\/products\/abb-rlm-02-3bse091723r1-profibus-redundancy-link-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}