VEGA VEGACOM 557 VEGA ASCII protocol User Manual
Page 31

VEGACOM 557 VEGA ASCII
31
High resolution = switch 2.2 = ON
The same enquiry can also be carried out with high resolution. The enquiry to VEGACOM 557
remains the same, however in the answer, more characters are used for presentation of the
measured value.
Answer of VEGACOM 557
Start character: S1 = 1 character "=“
Start character: S2 = 1 character "#“
Total length of the telegram: 255 * 14 characters
Telegram from processing system to VEGACOM 557
Identifier: 1 character, "%“
End identification: 1 character Chr (13) = CR = Carriage Return
Total length of the telegram: 2 characters
255 repetitions
6 digit value
‘-’ with negative values
‘ ‘ with positive values
valid measured value
‘FAULT ’
Fault
1 2 3 4 5 6 7
1 2 3 4 5 6 7
Data image in VEGACOM 557
End
Identifier
identification
No. of bytes
1
1
Range (ASCII)
%
CR
Example
%
CR
DCS
DCS
End
S1
no.
S2
value2
identification
No. of bytes
1
3
1
7
2
Range (ASCII)
=
001..255
#
DCS value of
fault
%CR
Example
=
001
#
-000673
%CR