RER103-MM
PublishedBus Connection Module
ABBControl Systems (PLC & DCS)Bus CouplerIndustrial supply
ABB RER103-MM bus connection module acting as an interface unit, converting incoming optical SPA/LON/IEC 60870-5-103 bus signals to RS-485 for RE500 devices. 9-pin D-type connector; up to 1.25 Mbps; powered from host (5V DC); 35 x 73 x 20 mm.
Wholesale supplyRER103-MM
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameBus Connection Module
Item number / codeRER103-MM
BrandABB
Product lineIndustrial supply
CategoryControl Systems (PLC & DCS)
Product typeBus Coupler
Technical data14 rows
TypeRS-485. Connector
Voltage5V
Bus Topology SupportLoop and Star configurations
Communication ProtocolsSPA, LON®, IEC 60870-5-103
Compact and Efficient DesignEasily integrates with RE500 devices
Connector Type9-pin D
Data Transfer RateUp to 1.25 Mbps
Dimensions35 mm x 73 mm x 20 mm
High Immunity to InterferenceFiber-optic transfer media minimizes electrical noise
Interface TypeRS-485
Operating Temperature10°C to 55°C
Power SupplyPowered from the host device (5V DC)
RER 103module acts as an interface unit, converting incoming optical signals from the SPA, LON®, and IEC 60870-5-103 buses into electrical RS-485 signals for RE500 dev
Reliable Industrial PerformanceOptimized for demanding automation environments
Reference numbers1 public
ABBRER103-MM