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Storage: -20
It is commonly used for continuous monitoring systems or periodic measurements with diagnostic instruments
Its rugged design and compact footprint make it suitable for harsh environments and space-constrained installations
and requires a specific communications board like the RDCO-03 for proper operation
ABB CI840 Advanced Field Communication Interface for Automation Industrial Embedded Controller Storage: -20Overview The ABB CI840 CI840A is a Fieldbus Communication Interface (FCI) Module for ABBs System 800xA and S800 I O platform. It acts as a communication gateway between AC 800M controllers and S800 I O units, enabling fast, reliable, and fault tolerant data exchange. The module supports redundant applications, making it suitable for mission critical systems where downtime is unacceptable. Advanced features include Hot Configuration in Run (HCIR), HART
