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- RLM02 3BSE091723R1
In Stock
Ships by Thursday, August 27
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for RLM02 3BSE091723R1
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Product ModelRLM02 3BSE091723R1
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Product ParametersRedundancy Link Module
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Tariff Code8537101190
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Country of originSWEDEN
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size5.5x9.2x13.3cm
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ManufacturerABB
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Weight0.3 kg
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ConnectionsA, B and M
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Transmission rate9.6 kBit/s to 12 MBit/s
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TypeRS 485
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Connection9-pin Sub-D connector
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Electrical isolationTo IEC/EN 61010-1, functionally isolating
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Test voltage500 Veff
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Device protection class3
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Operating voltage24 VDC
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Power consumption120 mA typically at 24 V
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Power lossApprox. 3.6 W
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Connection8-pin terminal strip 0.14
Description
The ABB RLM02 3BSE091723R1 is a PROFIBUS DP/FMS Redundancy Link Module to provide cable redundancy for PROFIBUS communication networks. It converts a single non-redundant PROFIBUS RS-485 line into two redundant communication lines (A/B) or combines two redundant lines into one standard PROFIBUS line. The module enables high-availability communication by automatically switching to the healthy communication path if one cable or segment becomes unavailable, ensuring uninterrupted data exchange between PROFIBUS masters and field devices.
The RLM02 supports PROFIBUS DP and PROFIBUS FMS protocols with communication speeds from 9.6 kbit/s to 12 Mbit/s. It also functions as an active repeater, regenerating RS-485 signals while continuously monitoring communication quality, line status, and power supply conditions. The module is DIN rail mounted and is widely used in ABB Freelance, System 800xA, and other industrial automation systems where reliable PROFIBUS network availability is required.
The RLM02 supports PROFIBUS DP and PROFIBUS FMS protocols with communication speeds from 9.6 kbit/s to 12 Mbit/s. It also functions as an active repeater, regenerating RS-485 signals while continuously monitoring communication quality, line status, and power supply conditions. The module is DIN rail mounted and is widely used in ABB Freelance, System 800xA, and other industrial automation systems where reliable PROFIBUS network availability is required.
Information
Overview
Manuals
Application 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
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.
The RLM02 3BSE091723R1 features three 9-pin Sub-D connectors on the front panel: connector A and connector B for the redundant PROFIBUS lines, and connector M for the non-redundant PROFIBUS line. The RLM02 3BSE091723R1 provides 500 Veff functional isolation to IEC/EN 61010-1 between the fieldbus interface and internal electronics, with device protection class 3. The data telegram delay through the RLM02 3BSE091723R1 is 11 bit times [µs] + 0.6 µs from A/B to M, and 4 bit times [µs] + 0.6 µs from M to A/B.
For status indication, the RLM02 3BSE091723R1 includes LED indicators for bus activity (Act - yellow), errors (Err - red), and power status (Power - green). These LEDs on the RLM02 3BSE091723R1 provide immediate visual feedback on network communication status and module health.
- 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.
Alternative Names
RLM02 3BSE091723RI
RLM02 3BSE0917Z3R1
RLM02 3BSE09I723R1
RLM02 3BSEO91723R1
RLM02 38SE091723R1
RLM0Z 3BSE091723R1
RLMO2 3BSE091723R1
Technical notes
The RLM02 3BSE091723R1 carries IP20 protection class, suitable for indoor use in appropriate enclosures.The RLM02 3BSE091723R1 operates reliably across an ambient temperature range of 0°C to +55°C during operation. For storage and transportation, the RLM02 3BSE091723R1 withstands temperatures from -30°C to +85°C. The RLM02 3BSE091723R1 operates at relative humidity up to 75% non-condensing and is rated for altitudes up to 2,000 meters.
FAQs
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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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