ABB
ABB 3BSE031694R4 CI840A Fieldbus Communication Interface
In stock, ready to ship
Manufacturer: ABB
Product No.: 3BSE031694R4 CI840A
Product Type: Communication Interface
Product Origin: Sweden
Payment: T/T
Weight: 1550g
Shipping port: Xiamen
Warranty: 12 months
Yes, we provide a 30-day money-back guarantee for all purchases.
Yes, all items come with a 12-month warranty from the date of shipment.
The ABB CI840A is a Fieldbus Communication Interface (FCI) for the S800 I/O system. It serves as a high-performance communication bridge between the PROFIBUS DP-V1 fieldbus and S800 I/O modules.
Key Technical Specifications
| Feature | Specification |
|---|---|
| Protocol | PROFIBUS DP-V1 |
| Data Rate | Up to 12 Mbit/s |
| I/O Capacity | Supports up to 12 I/O modules |
| Redundancy | Dual PROFIBUS line support |
| Power Supply | 24 V DC |
| Isolation | Galvanic isolation from the fieldbus |
Core Functions and Features
Modular Connectivity
The CI840A manages data exchange between the controller (e.g., AC 800M) and S800 I/O modules connected via its local bus or extended I/O clusters.
Redundancy Support
The “A” version indicates enhanced support for redundant configurations.
When used with TU846 or TU847 termination units, two CI840A modules can be paired to maintain system operation if one interface fails.
Hot Swap Capability
Designed for high industrial availability, the CI840A supports Configuration in Run (CiR), allowing module replacement without shutting down the I/O station.
Diagnostics
Provides comprehensive diagnostic capabilities, including:
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Status LEDs (Run, Fault, Primary, etc.)
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Detailed diagnostic data transmitted to the control system