Vega VEGABAR 64 Profibus PA Bedienungsanleitung Seite 64

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- PA-OUT value of
the FB1 after scaling
l Temperature
- PA-OUT value of
the FB2 after scaling
l Additional Cyclic Value
- Additional cyclical value (depending on the source)
l Free Place
- This module must be used if a value should not be used in the data telegram of the cyclical data
trac (e.g. replacement
of the temperature and Additional Cyclic Value)
Max. three modules can be active. By means of the conguration software of the Probus master,
you can determine the conguration of the cyclical data telegram with these modules. The procedure
depends on the respective conguration software.
Tip:
The
modules are available in two versions:
l Short for Probus master supporting only one "Identier Format"
byte, e.g. Allen Bradley
l Long for Probus master only supporting the "Identier Format"
byte, e.g. Siemens S7-300/400
Examples of telegram conguration
In the following you will see how the modules can be combined and how the appendant data telegram
is st ructured.
Example 1 (standard setting) with pressure value, temperature value and additional cyclical value:
l AI (PA-OUT)
l Temperature
l Additional Cyclic Value
Byte-No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14
15
Format
Value
IEEE-754-
Flieskommazahl
PA-OUT
(FB1)
Status
Status
(FB1)
IEEE-754-
Flieskommazahl
Temperature
(FB2)
IEEE-754-
Flieskommazahl
Additional Cyclic
Value
Status
Status
(FB2)
Status
Status
Fig. 31: Telegram conguration example 1
Exa
mple 2 with pressure value and temperature value without additional cyclical value:
l AI (PA-OUT)
l Temperature
l Free Place
64 VEGABAR 64 Probus PA
10 Supplement
28252-EN-081209
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