CI840A-1 3BSE041883R1 ABB Communication Module for S800 I/O Systems Resistance Temperature Device Input Module detecting imbalances to protect critical

detecting imbalances to protect critical electrical assets

Turbomachinery Diagnostics: For monitoring shaft displacement and vibration in turbines

268 Kbps for 100 Series FBMs

For remote I/O modules

CI840A-1 3BSE041883R1 ABB Communication Module for S800 I/O Systems Resistance Temperature Device Input Module detecting imbalances to protect criticalOverview The ABB CI840A 1 is a robust and compact communication module engineered for industrial automation systems that require reliable and scalable I O integration. It is part of the S800 I O family, which is widely used in System 800xA environments for process control, power generation, and manufacturing. This module supports the PROFIBUS DP V1 protocol, enabling fast and deterministic communication with field devices. It is designed for redundant