VEGA VEGACOM 557 VEGA ASCII protocol - Manual (Page 28)

28 VEGACOM 557 VEGA ASCII
4.2 Enquiry for VEGAMET with up to seven values per instrument
Low resolution = switch 2.2 = OFF
VEGAMET instruments can be provided with up to 7 DCS outputs. With this telegram, it is
possible to read all DCS values from one instrument.
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
"-“ for negative values
" " for positive values
(Structure is valid for all DCS values)
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
7 1 2 3 4 5 6
3 positions in front of 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) 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 # 38.4 p p 0 CRLF