Overview
The ABB REB103 is a Bus Connection Module engineered for the RE500 protection relay family. It provides seamless integration between the RE500 device and fiber-optic communication networks. By supporting SPA, LON®, and IEC 60870-5-103 protocols, the module enables high-speed, interference-resistant communication in demanding industrial environments. Furthermore, it ensures optimal signal integrity by converting optical signals to electrical RS-485 format.
Technical Specifications
General Information
- Manufacturer: ABB
- Series: RE500
- Product Type: Bus Connection Module
- Supported Protocols: SPA, LON®, IEC 60870-5-103
Electrical Specifications
- Power Supply: Supplied through RE500’s 9-pin D-type connector
- Signal Conversion: Converts optical SPA/LON® signals to RS-485 electrical signals
- Service Pin: Supports diagnostics for LON® nodes
Communication & Connectivity
- Connector Type: 9-pin D-type subminiature connector
- Bus Topologies: Supports Loop and Star configurations
- Collision Detection: Enabled during LON® communication
Environmental Specifications
- Operating Temperature: -10°C to +55°C
- Storage Temperature: -40°C to +70°C
- Humidity: 5% to 95%, non-condensing
- Electromagnetic Resistance: High, due to fiber-optic communication
- Mounting Method: DIN rail mounting