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ABB 35EK90 GJR5143100R0001 Bus Coupler Module

ABB CI920N 3BDS014113 Communication Interface for Industrial Automation

ABB 35EK90 GJR5143100R0001 Bus Coupler Module

Name: ABB 35EK90 GJR5143100R0001 Bus Coupler Module
Brand: ABB PLC
SKU: 205
Availability: InStock
Rating: 5.0 (1 reviews)

Brand:ABB PLC
Item No.:35EK90 GJR5143100R0001
Product Origin:Sweden
Product Dimensions:180 × 40 × 120 mm
Product Weight:1.2 kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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Product Details
Product Applications
Product Advantages
Technical FAQs
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Introduction

The ABB 35EK90 (GJR5143100R0001) is a legacy bus-coupler module used in ABB control and automation systems, designed to bridge communication between subsystem modules and the main industrial bus. This version is written in a technical, engineering-note style, focusing on real-world integration, operational behavior, and its function within distributed automation architectures.

Technical Specifications

Parameter	Description
Module Type	Bus Coupler / Communication Interface Module
Model / Part Number	35EK90 / GJR5143100R0001
Communication Role	Links subsystem I/O modules or additional rack segments to the main system bus
Data Handling Capability	Supports fast, deterministic data exchange suitable for legacy ABB bus architectures
Input Power	24 V DC provided through the rack backplane
Mounting Style	Rack-mounted, designed for ABB legacy modular platforms
Operating Temperature Range	–20 °C to +60 °C (typical for ABB industrial modules)
Construction	Industrial-grade housing with EMI-conscious layout
Dimensions	Approx. 180 × 40 × 120 mm (H × W × D)
Weight	Approx. 1.2 kg

Applications

Acting as the primary interface between remote I/O modules and the central controller
Expanding legacy ABB control systems by adding new subsystem racks
Bridging separate bus segments within an industrial automation network
Use in process industries, manufacturing, utilities, and chemical plants where legacy ABB systems remain in service
Supporting deterministic data exchange in systems requiring predictable cycle times

Advantages

Reliable linking of distributed modules — ensures stable communication between expansion units and core system controllers
Designed for legacy ABB systems — ideal for maintaining, repairing, or expanding older installations
Industrial construction — engineered to withstand noise, temperature variation, and long-duration operation
Modular replaceability — simplifies maintenance because of its standardized form factor
Supports long system life cycles — extends the usability of ABB control infrastructure without requiring full system migration

Technical FAQs

What is the main function of the 35EK90?
It couples remote or extended I/O modules to the main system bus, enabling communication and synchronization across the control network.
Is it compatible with other ABB legacy racks?
Yes, it is designed to work within specific ABB modular rack systems that use comparable bus standards.
Does it require external wiring?
Most connections are backplane-based; only system-specific bus cabling is routed externally.
What power is required?
It typically operates on 24 V DC supplied through the rack backplane.
Can it handle high data loads?
Yes — within the limits of legacy ABB bus protocols, it supports fast and deterministic data exchange.
What are its environmental limitations?
Usually –20 °C to +60 °C, suitable for typical industrial cabinet installations.
Is it suitable for system expansion?
Absolutely — it is primarily used to expand or interconnect additional subsystem modules.
Can it be hot-swapped?
In most ABB legacy systems, modules are not hot-swappable. Power-down procedures are recommended.
What signs indicate a failing bus-coupler?
Intermittent communication loss, irregular data updates, or subsystem modules going offline.
Is it recommended for new installations?
Only when building onto an existing ABB legacy architecture; new systems usually adopt modern communication standards.

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