West Control Solutions DataVU 7 - Manual (Page 100)

11 Configuration - Device Data
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History
(data) memory Here you can determine the size of the History memory. The memory is used
to show stored measurement data that are outside the present curve view.
The History presentation is started through the History function in the header.
v Chapter 5 "Memory Presentation (History)"
Data readout
via ... The memory readout type of your choice is selected here. The parameter only
affects the header, and when there is no CF card in the slot.
If the symbol is shown in red, a memory alarm for the corresponding type of
readout is present.
If the CF card is inserted, the available memory of the CF card is displayed.
The parameter “Read data via ... (Display CF capacity)” is irrelevant at this
point.
Interface
This shows the available memory for reading out data
via one of the interfaces (RS232/RS485, setup interface
or Ethernet). The data readout can, forinstance, be
implemented via the PCA
Communications software PCC.
CF card
This shows the available memory for reading out data
via the CF memory card.
H
The minimum size of available storage space (in %) is determined
through the parameter Configuration
 Device data  Memory
alarm. If less memory space is available than has been set, there
will be an entry in the event list.