Stid ultrys - Page 237

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SPECTRE ATX 4 READ ONLY
© STid – MU_ULTRYS_V3.0.1_EN
RS232 / RS485
Serial frame:
*Doubled if the ASCII option is activated.
Data
Data sent in decimal or hexadecimal format.
Padding
Add on the frame leading zeros. If this option is not activated, the leading
zero won’t sent.
STX+ETX
Add STX (0x02) and ETX (0x03) in the frame.
CR
Carriage return (0x0D).
LF
Line feed (0x0A).
LRC
Checksum byte by XORing of all previously characters without the STX.
ASCII
If this option is activated, the Data will be sent in ASCII mode.
1 byte
X bytes
1 byte
1 byte
1 byte
1 byte
STX
Data*
LRC
CR
LF
ETX
2