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      RLM02 3BSE091723R1

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      Product Information

      Product Describe
      RLM02 3BSE091723R1 
      Redundancy Link Module 
      Use on PROFIBUSDP/FMSlines
      Transmission rate 9.6 kbit/s... 12 Mbit/s

      Technical specifications for RLM02 3BSE091723R1

      • Product Model
        RLM02 3BSE091723R1
      • Product Parameters
        Redundancy Link Module
      • Tariff Code
        8537101190
      • Country of origin
        SWEDEN
      • Place of shipment
        Xiamen, China
      • Estimated Shipping Size
        9x10.3x17.5cm
      • Manufacturer
        ABB
      • Weight
        0.46 kg
      • Connections
        A, B and M
      • Transmission rate
        9.6 kBit/s to 12 MBit/s
      • Type
        RS 485
      • Connection
        9-pin Sub-D connector
      • Electrical isolation
        To IEC/EN 61010-1, functionally isolating
      • Test voltage
        500 Veff
      • Device protection class
        3
      • Operating voltage
        24 VDC
      • Power consumption
        120 mA typically at 24 V
      • Power loss
        Approx. 3.6 W
      • Connection
        8-pin terminal strip 0.14

      • Factory New

        These are new and current items that are procured from the manufacturer.

      • New No Package

        These parts are new. They have not been used, but their original packaging is no longer available.

      • New In Opened Package

        These parts are new. They have not been used, but their original packaging has been opened or the packaging is significantly aged.

      • New In Sealed Package

        Parts are new. They have not been used and still have their original package seal intact.

      • New in Original Package

        These parts are new. The packages were not originally sealed by their original manufacturer.

      Warranty Period & Disclaimer

      Amikon is not an authorized distributor unless otherwise specified, representative, or affiliate of the manufacturer of this product. All trademarks and documents are the property of their respective owners and are provided for identification and informational.

      FAQs

      • What is the ABB RLM02 3BSE091723R1？+
        The ABB RLM02 Redundancy Link Module (Part No. 3BSE091723R1) is an active switch that integrates single-interface PROFIBUS devices into a redundant RS485 PROFIBUS network.
      • What is its primary purpose?+
        It converts a non-redundant PROFIBUS line to two redundant RS485 lines, or vice versa, allowing devices with a single PROFIBUS port to participate in a high-availability network.
      • How does it handle communication faults?+
        The RLM02 monitors Lines A, B, and M for activity. If an error occurs on one of the redundant lines (A or B), the control logic automatically switches to the operational line without interrupting communication.
      • What is the maximum number of connected devices?+
        Each RLM02 PROFIBUS interface can serve up to 31 PROFIBUS stations
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      Product

      MORE INFORMATION

      Overview Manuals Technical notes Product Applications Core Product Applications

      Features:

      • Use on PROFIBUSDP/FMSlines
      • Automatic line selection
      • Transmission rate 9.6 kbit/s... 12 Mbit/s
      • Monitoring of communication
      • Repeater functionality
      • Redundant power supply
      • Status and error display
      • Monitoring of the power supply
      • Potential-free alarm contact
      • Simple assembly on DIN mounting rail
      • Conversion of one simple, non- redundant PROFIBUSline into two reciprocally redundant lines A/B
      The three RS485 interfaces of the module supportall transmission rates specified in IEC 61158-2 forthe PROFIBUSfrom 9.6 kbit/s to 12 Mbit/s. Themodule has repeater functionality, i.e., it regenerates the signal shape and the amplitude of receiveddata. RLM02 monitors all three lines A, B and M foractivity and error states.

      Detected errors are signalled by LEDs (light emittingdiodes) on the front panel. The potential-free alarmcontact activated in parallel to this can be polled fordiagnostic purposes by the process control systemPCSor by a programmable logic control PLC. Thethree serial RS485 interfaces are potential-free relative to each other and to the power supply. This is afunctional electrical isolation.

      The RLM02 3BSE091723R1 ABB Redundancy Link Module may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
      ABB RLM02 3BSE091723R1 Redundancy Link Module Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
      Data coming in over line M with a correct telegramstart are routed in parallel to the two terminals AandB. The test for data is always based on the first character. In the case of a telegram start with error, thecontrol logic does not output any data to A and B.
       
      Either a single or a redundant power supply with 24VDC is possible. The distribution of load across L1+and L2+ is based on the level of the voltages applied.If a voltage source fails, the switch to the redundantsupply source is made without interruption. A monitoring logic circuit tests whether both voltages arepresent.
      • Turbine Generators:Gas/steam/hydro: failure risks shutdown or grid instability
      • Boiler Control Systems:Redundant loops for heavy combustion & feed-water pumps
      • Emergency Diesel Generators (EDGs):Critical backup for data centers/nuclear/marine
      • Large-Scale Compressors & Pumps:Multi-stage compressors for oil/gas pipelines & refining
      • Industrial Kilns & Furnaces:Data loss halts cement/steel thermal cycles
      • Water Treatment Machinery:Automated filtration, high-pressure pumps & chemical dosing
      This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
      PROFIBUS Line Redundancy: Converts a single non-redundant PROFIBUS line into two redundant RS-485 lines (or vice-versa), ensuring fault-tolerant and highly available communication.
      Single-Interface Device Integration: Allows field devices and stations with only one PROFIBUS DP interface to connect directly to redundant networks without communication loss.
      What Happens Next
      Get the quote now Write Email to: INFO@AMIKON.CN
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      Need Moore Help? Get fast and efficient help from our experienced sales or customer service teams.
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      Delivery
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      Warranty
      All parts new original are covered by Amikon 12 month warranty

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      Why Choose Amikon Limited?

      When it comes to industrial automation, reliability, speed, and trust matter. At Amikon Limited, we go beyond just supplying parts — we deliver confidence.

      • ● Extensive Inventory Reach: Nearly 1 million automation parts at your fingertips, including legacy and obsolete models.
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      • ● 1-Year Warranty Available: Peace of mind with every purchase backed by one year warranty guarantee.
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      Whether you're maintaining legacy systems or building future-ready projects, Amikon Limited is your dependable partner in precision and performance.


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