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Realtime Data Acquisition (RDA)
Realtime Data Aquisition records realtime data in a PLC, and then reads it to a zenon archive in blocks. This allows the correct documentation even of events that take place very fast, such as injection processes.
In the same way data can be saved in controls that are not in constant contact with zenon (i.e. pump stations). The time stamping of those values can occur in the PLC.
