VEGA VEGABAR 66 Profibus PA - climate compensated - Manual (Page 62)

62
10 Supplement
VEGABAR 66 • Profibus PA - climate compensated
36792-EN-130321
66 you have to use the general GSD file PA139701.GSD. If the general GSD file is used, the sensor
must be set to the profile-specific ident number via the DTM software. By default, the sensor oper-
ates with the manufacturer-specific ID number.
Note:
When using the profile-specific GSD file, the PA-OUT value as well as the temperature
value are transmitted to the PLC (see block diagram "Cyclical data traffic").
Cyclical data traffic
The master class 1 (e.g. PLC) cyclically reads out measured values from the sensor during opera-
tion. The below block diagram below shows which data can be accessed by the PLC.
bar % Lin%
Min-Max
adjustment Linearization
PROFIBUS PA-output
Primary
Value
Secondary
Value 1
Secondary
Value 2
Target
Mode
Failure
mode
Alarms Scaling Source for
scaling
t
i
Damping
Sensor
characteristics
PA-Out
TB
FB
Select additional cyclic
value
Sensor mounting
correction
Fig. 33: VEGABAR 66: Block diagram with AI (PA-OUT) value and Additional Cyclic Value
PROFIBUS PA-output
Target
Mode
Failure
mode
Alarms Scaling
Source for
scaling
t
i
Damping
Sensor
characteristics
PA-Out
°C
TB
FB 2
Fig. 34: VEGABAR 66: Block diagram with temperature value
Module of the PA sensors
For the cyclic data traffic, VEGABAR 66 provides the following modules:
•
AI (PA-OUT)
– PA-OUT value of the FB1 after scaling
•
Temperature
– PA-OUT value of the FB2 after scaling
•
Additional Cyclic Value
– Additional cyclical value (depending on the source)
•
Free Place