ABB RLM02 3BSE091723R1 Link Module

ABB RLM02 3BSE091723R1 Link Module

Specifications

You can position the module directly after a master,before a bus segment with several slaves or beforean individual 

slave. PROFIBUS stations with redun-dant couplers [K] can be directly connected to thePROFIBUS set redundant by 

RLM02.
Stations with only one interface can be optionallyassigned to the A or B line. Each RLM02 PROFIBU Sinterface can 

serve up to 31 PROFIBUS stations. Us-ing repeaters [R] and media converters [O/E] makesit possible to increase the 

length of the PROFIBUSlines and the number of stations.
The three RS 485 interfaces of the module supportall transmission rates specified in IEC 61158-2 forthe PROFIBUS 

from 9.6 kbit/s to 12 Mbit/s. The module has repeater functionality, i.e., it regener-ates the signal shape and the 

amplitude of receiveddata. RLM02 monitors all three lines A, B and Mforactivity 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 systemPCS or by a PLC. 

Thethree serial RS 485 interfaces are potential-free rela-tive to each other and to the power supply. This is 

afunctional electrical isolation.

Product Applications

Electric power industry: Used in thermal power plants and hydropower stations for hydraulic control systems of steam 

turbines, generator excitation control, and control of power plant valves, ensuring stable operation of the units under 

harsh conditions.
Petroleum and chemical industry: Applied in the fieldbus architecture of large-scale DCS (Distributed Control System, 

such as ABB 800xA or Freelance), ensuring uninterrupted data during continuous production.
Water treatment and environmental protection: Ensuring the stability and reliability of long-distance communication 

links between remote sites and the main control room in large sewage treatment plants or water supply networks.
Light industry (pharmaceuticals, food, horticulture): In assembly lines with strict requirements for automated 

hygiene and batch continuous production, preventing downtime due to single-point communication failures.

Claim Your Extra Discount: Contact Sales Manager Lisa Lin for Details

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Major Business

ABB: Industrial robot parts of DSQC series,Bailey INFI90, DCS
Honeywell: 51/MU/MC/TC/CC ...
Triconex: 3008/3511/3625/3664/3721/3700A..
Bently Nevada: 3500/3300/330180-Cable..
Foxboro: FBM203/204/217/231, FCP240/270
Woodward: SPC valve position controller, PEAK15 digital controller
Siemens: 6DD/6DP/6ES5/6DR/6GK Series
Westinghouse Series: 1C/5X  ...
General electric: IC693/IC697/IC695/DS200..
Schneider: 140 Series

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