VEGA VEGACOM 557 VEGA ASCII protocol User Manual

Page 29

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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.

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