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ABB CI840A-EA PROFIBUS Communication Interface

Brand/Manufacturer: ABB

Order Number: CI840A-EA

Type: Communication Interface Module

Country of Origin: Sweden

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

The ABB CI840A-EA, representing the specialized configuration of the CI840A Communication Interface, operates as a dedicated hardware component for slave bus routing within PROFIBUS DP-V1 networks.

Hardware Specifications

Parameter Specification
Model CI840A-EA (3BSE041882R1 Variant)
Brand ABB
Origin Factory Standard Global Site
Weight 0.2 kg (0.44 lbs.)
Dimensions 54 mm x 119 mm x 96 mm (2.13 in. x 4.69 in. x 3.78 in.)
Operating Temp Certified for standard industrial infrastructure environment gradients
Power Consumption 190 mA typical at 24 VDC
Product Type Communication Interface Modules
Communication Protocol PROFIBUS DP-V1 (Slave)
Line Redundancy Supported
Module Redundancy Supported
Hot Swap Capability Yes
Controller Compatibility Used together with HI Controller platforms

Industrial Control and Drives (PLC/DCS/Drives) Attributes

The CI840A-EA manages deterministic protocol processing and continuous backplane bus communication velocity Licences verification across expansion subracks. To transfer discrete process parameters and transmit diagnostics concurrently without data attenuation, the interface engine executes integrated firmware tracking sequences. This infrastructure enforces full compatibility with Profinet / EtherNet/IP deterministic networks and legacy fieldbuses, stabilizing database scaling factors when processing live data from connected HI Controller architectures.

Because the communication node coordinates real-time subrack clustering, the structural hardware supports extensive I/O density scaling options across the remote cluster. The memory management units run optimized register loops that support full module and line redundancy mapping without dropping packet frames. These features stabilize processing cycles under maximum transceiver traffic loads, allowing high-availability configurations to execute without backplane transport faults or firmware flash compatibility mismatches.

Frequently Asked Questions

Q: How does the hot-swap function preserve data integrity across the backplane bus during active module replacement?

A: The onboard hot-swap circuitry controls internal rail isolation pins when the module is unseated from the terminal base. This hardware decoupling isolates live backplane bus lines, preventing electrical transit noise and voltage sags from generating data parity faults on adjacent running interfaces.

Q: What redundancy transition delays occur inside the PROFIBUS slave loops when a primary line failure is detected?

A: When a line or module disruption occurs, internal switching logic transfers the network tracking parameters to the backup hardware node within the standard PROFIBUS DP-V1 bus cycle limits. This rapid changeover prevents data timeouts in the master CPU registers.

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Testimonials

Fast Delivery, Excellent Quality


We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

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"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

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