Communication Module CI840A-EA ABB Unit for Fieldbus Integration
Description
CI840A-EA ABB Communication Module is a high-performance industrial automation communication interface module belonging to the AC 800M controller family. It acts as a gateway between the AC 800M system and PROFIBUS DP fieldbus networks, enabling stable data exchange and control command transmission with field devices.
| Specification | Value |
|---|---|
| Part Number | 3BSE041882R1 |
| Supported Protocol | PROFIBUS DP-V1 |
| Maximum Communication Rate | 12 Mbit/s |
| Operating Temperature Range | -40 to 70 degrees Celsius |
| Protection Rating | IP20 |
| Physical Connector | 9-pin D-sub type |
| Net Weight | Approximately 0.34 kg |
Key Features:
- Dual-channel redundant architecture with millisecond-level main/backup link switching and hot-swappable installation for high system reliability
- Electrical isolation between PROFIBUS interface and system backplane to protect against electrical interference and faults
- Multiple LED indicators for real-time monitoring of module status, PROFIBUS communication status, and power status
- Adaptive communication rate matching, supporting speeds from 9.6 Kbit/s to 12 Mbit/s
- Built-in HART pass-through function for signal processing, real-time configuration, and I/O module monitoring
- Configurable via ABB Control Builder M (CBM) software for flexible parameter setup
Applications:
- Power industry: Connecting relay protection devices and smart meters for automated monitoring
- Chemical industry: Linking sensors and actuators for real-time process control
- Manufacturing: Facilitating data exchange between AC 800M systems and production line equipment like PLCs and robots
- Transportation industry: Enabling communication in railway signal and intelligent traffic monitoring systems
Related Models:
- CI830
- CI840 (3BSE022457R1, predecessor model)
- PM865 (AC 800M controller compatible with CI840A)