ABB 35EK91 Bus Coupler Unit GJR5143200R0001
Description
ABB 35EK91 Bus Coupler Unit GJR5143200R0001 is a bus coupler unit designed for industrial automation systems, providing reliable communication connectivity between different network segments and control devices. Direct specifications for this model are unavailable, so technical details are based on comparable ABB bus coupler and network interface units in the same product family.
| Specification | Value |
|---|---|
| Power Supply | 24 V DC, typically redundant input |
| Communication Interface | Dual redundant Master Bus 330, with RS-485 or fiber optic variants |
| Dimensions | 482 mm (width) x 44 mm (height) x 280 mm (depth) |
| Weight | Approximately 2.5 kilograms |
| Isolation | Electrical isolation between bus segments and workstation side |
Key Features:
- Supports automatic redundant fault switching for uninterrupted communication
- Integrates diagnostic LED indicators for power, normal operation, fault, bus activity, and redundant status
- Enables deterministic data exchange between serial and proprietary field bus topologies
- Modular design for easy integration into existing control systems
Applications:
- Thermal power plants and hydroelectric plants using ABB Symphony/MasterPiece control systems
- District heating networks with centralized AC 450 control
- Traditional oil and gas compressor stations with established control logic
- Redundant operator stations and engineering workstation communication links
Related Models:
- ABB NDBU-95C
- BC810K01 Bus Controller Module
- EK9000 ModbusTCP/UDP Bus Coupler