Vaisala Hydromet Data Collection Platform Instrukcja Użytkownika Strona 208

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User’s Guide ______________________________________________________________________
206 __________________________________________________________________M210785EN-E
0711-126
Figure 107 Checksum Settings Window
In the Checksum settings window, you can define the following
parameters:
- Method
- Format
- Used bitcount, specifies how many bits are used to calculate the
CRC. 16 bits is typical for SUM and CRC16; 8 bits is typical for
XOR.
- Init value, indicates the start value for the CRC, that is, where the
calculation is started. This parameter is also known as a seed.
Parameter Option Description
SUM Calculates a sum from the bytes to be
included in CRC
XOR Calculates an exclusive OR from the bytes to
be included in CRC
CRC16 16-bit CRC
CRC32 32-bit CRC
USER CRC User-defined CRC
Parameter Option Description
Hex Displays the CRC in a hexadecimal format
Hex LSB first Displays the CRC in a hexadecimal format,
Lower byte first
KERMIT Kermit-style formatting
WXT Vaisala Weather Transmitter style formatting
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