VEGA VEGACOM 557 VEGA ASCII protocol User Manual
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VEGACOM 557 VEGA ASCII
4.1 Enquiry for VEGAMET with three or less values per instrument
Low resolution = Switch 2.2 = OFF
VEGAMET series 509 and 512 instruments have max. 3 DCS outputs. Series 513, 514 and 515
instruments can assign max. 7 DCS outputs. If max. 3 DCS outputs are used with these in-
struments, the following telegram can be used for data transmission:
Telegram from processing system to VEGACOM 557
Identifier: 1 character, optional "P“ or "p“
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 = "#“
Separating character: T1, T2, T3 = per 1
character "p“
Total length of the telegram: 32 characters
(structure also value for DCS value 2 and 3)
Error information
0: No error
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
"-“ for negative values
" " for positive values
7
1 2 3 4 5 6
3 positions in front of the decimal point
1 decimal point
1 position after the decimal point
1 during simulation
" " during operation
Data image in VEGACOM 557
Address Address End
Identifier
VEGACOM
VEGAMET identification
No. of bytes
1
1
2
1
Range (ASCII)
p (P)
0..9
01..15
CR
Example
p
1
02
CR
Addr Addr
DCS
DCS
DCS
Error
End
S1 COM MET S2 value1 T1 value2 T2 value3 T3
info
identification
No. of bytes 1
1
1
1
7
1
7
1
7
1
1
2
Range (ASCII) = 0..9 01..15 # ASCII p ASCII p ASCII p
0..7
CRLF
Example =
1
02
#
17.2
p
38.4
p
45.7
p
0
CRLF