



Introduction
The ABB CI840A 3BSE041882R1 Communication Interface Module is designed to provide seamless communication between ABB control systems and external devices in industrial environments. This module acts as a key communication link for transmitting and receiving data between controllers, remote I/O units, and various field devices. Engineered for versatility and reliability, the CI840A supports various protocols to ensure smooth and uninterrupted communication, making it an ideal choice for both complex automation systems and distributed control systems.
Technical Specifications
| Specification | Details |
|---|---|
| Model | ABB CI840A 3BSE041882R1 |
| Type | Communication Interface Module |
| Dimensions | 54 x 119 x 96 mm |
| Weight | 0.2 kg |
| Power Supply | 24V DC (Nominal) |
| Communication Interface | Ethernet, PROFIBUS DP, Modbus RTU |
| I/O Channels | 2 x Digital Inputs, 2 x Digital Outputs |
| Operating Temperature Range | -20°C to 60°C |
| Storage Temperature Range | -40°C to 85°C |
| Mounting Type | DIN Rail Mounting |
| Certifications | CE, UL, RoHS |
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