User Manual
Chapter 4
GFK-2849A
Oct 2019
System Operation
79
Figure 78
4.2
ECM850 Operations in RX3i System
The ECM850 in the RX3i controller system performs the following operations:
•
Receives IEC 61850 IED configuration from the RX3i controller CPU.
•
Establish association with IEDs using the configuration over IEC 61850 network.
•
Consumes input data from each IED and makes that data available to the CPU during
the CPU’s input sc
an.
•
Receives output data from the CPU during the output scan and transfers the outputs
to IEDs.
•
Processes connection information from IEDs and converts them to a PACSystems
format.
•
Maintains a Local Log Table of its own alarms and the diagnostic information it
receives. It also forwards some of the information to the CPU as I/O or Controller
Faults.
