System
Recording series of tests
MGCplus A0534-30.0 HBM: public 267
10.3.2 Format of the MGCplus measurement files
When measurements are recorded on a storage medium, files with the
extensions *.mea, *.me1 and *.me2 are created. All the channels recorded
at sampling rate no. 1 are stored in the file with the extension mea, those at
measuring rate no. 2 in the file with the extension me1 and those at
sampling rate no. 3 in the file with the extension me2.
If the "Compression factor" option is also activated, additional files will be
formed with the extensions "sto", "st1" and "st2", containing an extract of the
minimum and maximum sample block values.
When measured values are recorded in files with the extensions mea, me1
and me2, the following options have to be considered:
S Time channel yes/no
If yes, the format of the time channel
MGCplus Device Time
S NTP time format
S IRIG time format
Measured value format
S 4-byte INT (LSB ... MSB)
S 2-byte INT (LSB ... MSB)
S 4-byte Float (LSB ... MSB)
10.3.2.1 Measured values
The measured values of each MGCplus channel are transmitted with 4
bytes: The Least Significant Byte contains the measurement status, the
other three bytes contain the measured value. The following table shows the
format of the measured values at the internal data interface of the MGCplus
system.
LSB
Byte 0
Byte 1 Byte 2
MSB
Byte 3
Status information Measured value (24 bits)
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