File Size - Hioki MEMORY HiLOGGER LR8450 Instruction Manual

11.9 File Size

This section describes how to calculate the size of binary waveform files (MEM).
Unit: bytes
File size
Header size + data size
Header size
Shared header size + text header size + binary header size
Shared header size
1000 + number of measurement module channels × 680 + number of pulse channels × 650 +
number of logic channels × 240 + number of waveform calculation channels × 450 +
number of alarm channels × 256
(The size, which may vary according to the settings, should be used for reference only)
Text header size
512 × (10 + number of measurement module channels × 5 + number of pulse channels × 5 +
number of logic channels × 4 + number of waveform calculation channels × 7 +
number of CAN channels × 5 + number of alarm headers*
*1: If alarms are enabled, 16; if not, 0.
Binary header size
512 × (1788 + number of alarm headers*
*2: If alarms are enabled, 176; if not, 0.
Data size
(Number of measurement module channels*
number of pulse channels × 4 + number of waveform calculation channels × 8 +
Logic data size*
*3: Except CAN.
*4: Number of CAN channels carrying 2-byte data × 2 + number of CAN channels carrying 4-byte
*5: If any logic channel is enabled, 2; if not, 0.
*6: If alarms are enabled and alarm source data recording is enabled, 450;
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5
+ alarm data size*
data × 4 + number of CAN channels carrying 8-byte data × 8
if alarms are enabled but alarm source data recording is disabled, 2;
if alarms are off, 0.
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1
)
2
)
3
× 2 + CAN channel data size*
6
) × number of data points
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File Size
4
+
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