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See Why Choose ABB RLM01 3BDZ000398R1 PROFIBUS Redundancy Link Module RLM01 Advant 800xA

ABB
December 12, 2025
Category Connection: ABB Module
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#GJV3074370R1 #07BV60 #GJV3074370R1 ABB
Brief: Follow along for a hands-on demonstration that highlights performance points of the ABB RLM01 PROFIBUS Redundancy Link Module. This video shows how the module integrates single-interface field devices into a redundant PROFIBUS network, demonstrating its active switching capability, signal amplification, and real-time line monitoring for enhanced system reliability in Advant 800xA applications.
Related Product Features:
  • Integrates field devices with single PROFIBUS DP interfaces into redundant PROFIBUS networks.
  • Acts as an active switch to convert two redundant lines to one PROFIBUS DP line or vice versa.
  • Amplifies signal form and amplitude of incoming data for improved communication integrity.
  • Monitors activity and error statuses on all three connected PROFIBUS lines.
  • Supports connection of up to 31 PROFIBUS stations per interface for scalable network design.
  • Features redundant 24V DC power supply connectivity for increased module availability.
  • Provides visual fault indication via front panel LEDs and diagnostic messages on an 8-pole terminal strip.
  • Can be positioned next to a master, in front of a bus segment with slaves, or near an individual slave.
Faqs:
  • What is the primary function of the ABB RLM01 Redundancy Link Module?
    The RLM01 integrates field devices that have only a single PROFIBUS DP interface into a redundant PROFIBUS network by acting as an active switch that converts between two redundant lines and one PROFIBUS DP line.
  • How does the RLM01 module handle line redundancy and fault detection?
    It monitors all three PROFIBUS lines for activity and faults, reinforces signal form and amplitude, and automatically switches to the available line (A or B) if an error is detected on the other, with faults indicated via front panel LEDs.
  • What are the power supply requirements for the RLM01 to ensure high availability?
    The module supports a redundant 24V DC power supply. The monitoring logic checks both voltage inputs and reports any malfunctions, ensuring continuous operation even if one power source fails.
  • How many PROFIBUS stations can be connected to a single RLM01 interface?
    Each RLM01 PROFIBUS interface can operate with up to 31 PROFIBUS stations, allowing for flexible integration of multiple devices in the network.
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