5 Operation of the application
Speed control with SINAMICS V90 and S7-300 via Profinet
Entry-ID: 109743898, V1.0, 07/2016
Siemens AG 2016 All rights reserved
5.2 Scenario B
The function block FB285 <SINA_SPEED> is available in the drive library in TIA
Portal, and it is used for speed control with standard telegram 1.
1. The library is integrated in the Startdrive. If you have installed Startdrive then the
library has been installed.
https://support.industry.siemens.com/cs/ww/en/view/68034568
2. You can download the latest library version from SIEMENS product and information
pages https://support.industry.siemens.com/cs/ww/en/view/109475044. Follow the
instructions of the manual to implement the library.
Table 5-2 Input interface of FB285
“Off1” = 1 switch on the drive
Rated speed of the drive p2000
Acknowledgement of axis faults
“AckFIt” = 1
IO address on the SIMATIC S7-300 of
the set point slot (SetPoint)
IO address on the SIMATIC S7-300 of
the actual value slot (Actual Value)