4.3
The GSD generator
4.3.1
General information
The GSD generator allows the user to generate GSD files with a PROFIBUS- DP
interface. The devices available with a PROFIBUS-DP interface are able to transmit or
receive a wide variety of measurands (parameters). However, since in most applications
only some of these measurands are to be transmitted via PROFIBUS-DP, the GSD
generator is used to select these measurands.
Once the device is selected, all variables available appear in the 'Parameterization'
window. Only when these have been copied either to the 'Input' or 'Output' window, will
they later be contained in the GSD file for further processing or preprocessing by the DP
master (PLC).
4.3.2
Operation
Fig. 5: Operation
1
Device name for hardware catalog If different GSD files
are required for devices of the same type, this standard
name has to be altered in a way that allows
unambiguous assignment of the PROFIBUS master in
the hardware configuration.
2
Delete entry from output window
If SIMATIC S7 from SIEMENS is used for project design, the names in the
GSD file must not be longer than 8 characters.
GSD files with long file names cannot be entered into the PLC hardware
catalog!
Configuringa PROFIBUS-DP-System
3
Delete entry from input window
4
Exit program
5
Output window (output for master/PLC)
6
Input window (input for master/PLC)
7
Window containing the available parameters
8
File menu
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