Overview
The ABB 35EK91 (GJR5143200R0001) is a bus coupler unit used in ABB modular process I/O systems. It connects multiple bus segments, enabling system expansion, high-speed data communication, and reliable operation.
General Information
Brand: ABB
Country of Origin: Sweden
Part Number: 35EK91 / GJR5143200R0001
Type: Bus Coupler Unit
Function: Interfaces between control-bus segments and I/O modules; supports system expansion and communication
Mounting: Rack or control cabinet installation
Power Specifications
Supply Voltage: 24 V DC
Power Consumption: Low-power module (typical for bus couplers)
Protection: Over-voltage and reverse polarity protection
Communication & Interface
Interface Type: Bus coupler for fieldbus or system backplane networks
Function: Supports inter-segment communication, diagnostics, and scalable system linking
Environmental
Operating Temperature: −20 to +60 °C
Humidity: Up to 95% RH, non-condensing
Installation Environment: Industrial control rack or cabinet
Dimensions & Weight
Dimensions: 203 × 51 × 279 mm
Weight: Approx. 0.5 kg
