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| Place of Origin: | Sweden |
| Brand Name: | ABB |
| Certification: | COO & COC |
| Model Number: | CI840A |
ABB CI840A 3BSE041882R1 Redundant Communication PROFIBUS DP-V1 Interface Module
Overview
The ABB CI840A (part number 3BSE041882R1) is a high-performance PROFIBUS DP-V1 communication interface that links any ABB S800 I/O station to PROFIBUS DP-V1 masters such as AC 800M controllers, PLCs or SCADA systems. Designed for 24/7 process industries, the module delivers deterministic data exchange, modular scalability and hardware redundancy in a single, hot-swappable unit.
Key Features & Benefits
• Full PROFIBUS DP-V1 compliance – operates as slave or master, supports cyclic & acyclic data, automatic baud-rate detection up to 12 Mbit/s.
• Redundancy-ready – dual CI840A units can be configured for seamless switch-over, eliminating single points of failure.
• Hot-swap capable – insert or remove the module under power without interrupting the process; MTTR < 1 min.
• Industrial durability – -20 °C … +60 °C operating range, 24 VDC ± 20 % supply, <5 W power draw, conformal-coated PCB for harsh environments.
• Compact footprint – 127 × 102 × 178 mm, DIN-rail mount, only 0.5 kg.
Technical Specifications
Protocol: PROFIBUS DP-V1 (EN 50170)
Interface: RS-485 isolated, 9-pin D-sub, termination switch
Baud rates: 9.6 kbps … 12 Mbps auto-detect
Node address: 0–126 (DIP switch or software)
Diagnostics: LED status, extended diagnostic frames, GSD file support
Power supply: 24 VDC SELV, ≤5 W
Dimensions / weight: 127 × 102 × 178 mm / 0.5 kg
Certifications: CE, UL, cULus, ATEX Zone 2, IECEx
Typical Applications
• Oil & gas, petrochemical, power generation
• Water & wastewater treatment
• Pulp & paper, metals, food & beverage
• Transportation and building automation
Product Images
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