VEGA VEGASON 66 Profibus PA - Manual (Page 54)

Note:
The modules are available in two versions:
l
Short for Profibus master supporting only one "Identifier
Format" byte, e.g. Allen Bradley
l
Long for Profibus master only supporting the "Identifier
Format" byte, e.g. Siemens S7-300/400
Examples of telegram configuration
In the following you will see how the modules can be combined and how the appendant data
telegram is structured.
Example 1 (standard setting) with distance 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
Example 2 with distance value and temperature value without additional cyclic value:
l
AI (PA-OUT)
l
Temperature
l
Free Place
Byte-No. 1 2 3 4 5 6 7 8 9 10
Format
Value
IEEE-754-
Flieskommazahl
PA-OUT
(FB1)
Status
Status
(FB1)
IEEE-754-
Flieskommazahl
Temperature
(FB2)
Status
Status
(FB2)
Example 3 with distance value and additional cyclical value without temperature value:
l
AI (PA-OUT)
l
Free Place
l
Additional Cyclic Value
Telegram configuration:
Supplement
54 VEGASON 66 - Profibus PA
28789
-EN
-060731