Where:
fn is
AnCh is the amount of recorded analog channels (which is then summed with 1 which stand for
time stamp for each recorded sample)
SR is the sample rate chosen by parameter (8,16,32 or 64 samples per cycle)
200Hz is the rate at which digital channels are always recorded (5ms)
DiCh is the amount of digital channels recorded
16076647 is the amount of samples available in FTP if no other types of les are saved.
As an example if nominal frequency is 50Hz and sample rate is 64s/c, all nine analog channels are
used and 2 digital channels are recorded the result is the following.
Total sample reserve 16076647 is derived from the knowledge that one sample is always 4 bytes and
the DR can use 64306588 bytes (total amount of bytes available divided by size of one sample in
bytes).
AQviewer
Disturbance recordings can be opened by choosing open folder icon or by going to
File
→
Open
.
Recordings are packed comtrade les. Zip- le includes *.cfg and *.dat. AQviewer is capable to open
original packed zip les directly or comtrade les as they are as far as both *.cfg and *.dat are located
in same directory.
Figure. 5.6.3. - 174. Open stored recordings.
AQ-F255
Instruction manual
Version: 2.00
© Arcteq Relays Ltd
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