VEGA VEGASON 62 Profibus PA - Manual (Page 45)

45
10 Supplement
VEGASON 62 • Profibus PA
28785-EN-130417
A bitmap file is also provided for the Profibus network planning tool. This file is installed automati-
cally when the GSD file is integrated. The bitmap file is used for symbolic indication of the PA instru-
ment in the configuration tool.
Ident number
Each Profibus instrument gets an unambiguous ident number (ID number) from the Profibus user
organisation (PNO). This ID number is also included in the name of the GSD file. For VEGASON 62
the ID number is 0x0770(hex) and the GSD file "SN__0770.GSD". As an option to this manufactur-
er-specific GSD file, PNO provides also a general so-called profile-specific GSD file. For VEGASON
62 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
operates 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.
m(d) % 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
Fig. 29: VEGASON 62: Block diagram with AI (PA-OUT) value and additional cyclical value
TB Transducer Block
FB Function Block
Module of the PA sensors
For the cyclic data traffic, VEGASON 62 provides the following modules:
•
AI (PA-OUT)
– PA-OUT value of the FB1 after scaling
•
Temperature
– PA-OUT value of the FB2 after scaling