Parameter
Format
Description
Command ID
G
G
defines an output string with string number
String number
dd
01
Main values
03
Special values
05
Analysis values
06
Analysis values
Command
se
se
identifies automatically sent values
Table 8
Header of the Sommer protocol
Measurement value
A measurement value (
02 1539|
) has a length of 8 digits and is returned together with its index.
If the measurement value is a decimal number, one digit is reserved for the decimal character. Values
are returned right-aligned, so blanks may occur between index and value.
Parameter
Format
Description
Index
dd
2 numbers
Value
xxxxxxxx
8 character right-aligned
Separator
|
Table 9
Values in Sommer protocol
End sequence
The data string is terminated with a CRC-16 in hex format (
3883
) followed by an end character and
<CR><LF>. The CRC-16 is described in
Parameter
Format
Description
CRC-16
Hhhh
4-digit hex number
End character
;
Control characters
<CR><LF>
Carriage return and Line feed
Table 10
End sequence of the Sommer protocol
1
2
C
o
m
m
u
n
ic
at
io
n
Manual
65
