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Block no. pc/dcs outputs-no – VEGA VEGACOM 557 Profibus DP User Manual

Page 39

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VEGACOM 557 Profibus DP

39

Grouping of measured values acc. to PC/DCS output

number on LOGBUS

Block no.

PC/DCS outputs-no.

1

1...8

2

9...16

3

17...24

4

25...32

5

33...40

6

41...48

7

49...56

8

57...64

10

73...80

12

89...96

9

65...72

11

81...88

13

97...104

14

105...112

15

113...120

16

121...128

17

129...136

18

137...144

19

145...152

20

153...160

22

169...176

24

185...192

21

161...168

23

177...184

25

193...200

26

201...208

28

217...224

30

233...240

27

209...216

29

225...232

31

241...248

32

249...255

Data image in VEGACOM 557

Example:
Enquiry telegram to VEGACOM 557 (2 Byte):

0xCC 0x01

Block no. 1 is enquired

Answering telegram of VEGACOM 557 (50 Byte):

0xCC 0x00 0x01 0xYY 0x00 0x00 0xHH 0xLL 0x02 0xYY 0x00 0x00 0xHH ...

Control word

PC/DCS value-no. 1 PC/DCS value-no. 2

0xYY

= Index-Byte

0xHH

= High-Byte measured value

0xLL

= Low-Byte measured value