Parameter assignment / addressing
5.3 Configuring PROFIBUS DP
SIMOTION D4x5-2
Commissioning and Hardware Installation Manual, 02/2012
129
5.3.7 Modifying the data transmission rate
Introduction
You can modify the transmission rate in a PROFIBUS subnet in HW Config according to
your requirements.
Procedure
1. Open the project in SIMOTION SCOUT.
2. Double-click the device whose PROFIBUS subnet you want to configure.
HW Config is displayed showing the settings for this device.
3. In HW Config, double-click in the graphical display on the PROFIBUS network whose
transmission rate you want to configure.
The "Properties - DP Master System" dialog is displayed.
4. Click on "Properties" to display the "PROFIBUS Properties" dialog.
5. Select the required transmission rate on the "Network settings" tab.
If you wish to activate an isochronous, equidistant bus cycle, the setting can be made
under "Options".
6. Confirm with "OK".
7. Save and compile the new hardware configuration, and load it on the SIMOTION D.
Note
If you modify the transmission rate of the subnet over which you are operating the PG/PC,
the PG/PC loses its active designation. You must then reconfigure it manually in NetPro or
else you will no longer be able to go online by means of this PG/PC.
Note
PROFIBUS DP functionality is both equidistant and isochronous in nature. As such, it can
guarantee that bus cycles will have exactly the same length and ensures deterministic
behavior.
Applications: Connecting drives or synchronized I/O devices.
See also
SIMOTION SCOUT Basic Functions
Function Manual, Section "Isochronous I/O processing
on fieldbus systems".
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