User manual

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7 Communication interface
7.4 Syntax for read, write and function commands
Syntax for read commands:
The commands are comprised of the command name (3 characters) followed by
a space and the code for read (“R”). The command ends with CR (0Dh). (0Dh)
C M D R CR
The counter responds by repeating the command name and indicates the return
value, separated by a space. The response ends with CR
C M D - 1 2 3 4 5 6 CR
Unknown (incorrect) commands generate the following response:
E R R CR
Syntax for write commands:
The commands are comprised of the command name (3 characters) followed by
a space and the code for write (“W”) and the value to be written, which con-
sists of up to 6 digits and the algebraic sign. The command ends with CR (0Dh).
C M D W - 1 2 3 4 5 6 CR
The counter responds by repeating the name of the command, followed by “OK”
if the command has been executed or “ER” if the command could not be
executed, e.g., because of an invalid value. The response ends with CR.
Command has been executed:
C M D O K CR
p1_tico_773_2773001_Betriebsanweisung_06062011_de_en.indb 23 02.02.2012 15:49:02