Features/ Application - ABB RLM01 Inbetriebnahmeanweisungen

1 Features/ Application

3BDD011600R05
RLM 01 converts one simple, non-redundant Profibus line into two reciprocally
redundant lines A/B. The module works bidirectionally, which means that all three
interfaces can receive and transmit data.
• Conversion: Line M <=> Lines A/B
• Use on PROFIBUS DP/FMS lines
• 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
You can position the module directly after a master, before a bus segment with sev-
eral slaves or before an individual slave. PROFIBUS stations with redundant cou-
plers [K] can be directly connected to the PROFIBUS set redundant by RLM 01.
Stations with only one interface can be optionally assigned to the A or B line. Each
RLM 01 PROFIBUS interface can serve up to 31 PROFIBUS stations. Using repeat-
ers [R] and media converters [O/E] makes it possible to increase the length of the
PROFIBUS lines and the number of stations.
Fig.: Application example
Features/ Application
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