VEGA VEGACOM 557 VEGA ASCII protocol User Manual
Page 29

VEGACOM 557 VEGA ASCII
29
Telegram from processing system to VEGACOM 557
Identifier: 1 character, optional "M“ or "m“
End identification: 1 character Chr (13) = CR = Carriage Return
Total length of the telegram: 5 characters
Answer of VEGACOM 557
Start character: S1 = 1 character "=“
Start character: S2 = 1 character "#“
Separating character: Tx = per 1 character "p“
Total length of the telegram: 66 characters
Error information
1. position
0: No error on DCS 1,2,3
1: Error on DCS 1
2: Error on DCS 2
3: Error on DCS 1+2
4: Error on DCS 3
5: Error on DCS 1 + 3
6: Error on DCS 2 + 3
7: Error on DCS 1,2 + 3
2. position
0: No error on DCS 4,5,6
1: Error on DCS 4
2: Error on DCS 5
3: Error on DCS 4+5
4: Error on DCS 6
5: Error on DCS 4 + 6
6: Error on DCS 5 + 6
7: Error on DCS 4,5 + 6
3. position
0: No error on DCS 7
1: Error on DCS 7
(structure is valid for all DCS values)
"-“ for negative values
" " for positive values
7
1 2 3 4 5 6
6 digit figure
without decimal point
Data image in VEGACOM 557
Address Address End
Identifier
VEGACOM
VEGAMET identification
No. of bytes
1
1
2
1
Range (ASCII)
m (M)
0..9
01..15
CR
Example
m
1
2
CR
Addr Addr
DCS
Error
End
S1 COM MET S2
value2 T2
T3
info
identification
No. of bytes 1
1
1
1
7 X
7
1
1
1
2
Range (ASCII) = 0..9 01..15 #
ASCII
p
p
0..7
CRLF
Example =
1
02
#
-00384 p
p
0
CRLF
High resolution = switch 2.2 = ON
The same resolution can also be carried out with high resolution. The enquiry to VEGACOM
557 remains the same, however the answer, has more characters for the presentation of the
measured value.