ABB RER 103 Bus Module

Description

The ABB RER 103 is a bus connection module designed for distributed substation automation systems. It enables communication between protection and control devices using fiber-optic links and supports multiple network topologies.

Specifications

• Model: RER 103
• Function: Bus Connection Module
• Communication Protocol: LON® (Local Operating Network)
• Interface: RS-485
• Topology Support: Loop and Star
• Line Idle State: Selectable (light on/off)
• Connectors: Fiber-optic (plastic or glass)
• Mounting: DIN rail or panel
• Standard Compliance: IEC
• Service Pin: Included for node diagnostics

Features

• Flexible Topology Support: Operates in both loop and star configurations for versatile substation layouts.
• Fiber-Optic Communication: Ensures high-speed, interference-free data transfer between devices.
• RS-485 Interface: Supports robust serial communication for legacy integration.
• Service Pin Functionality: Enables diagnostics and configuration of LON® nodes.
• Selectable Line Idle State: Allows customization of idle light behavior for system monitoring.
• Compact Design: Suitable for dense control cabinets and modular installations.