14  IG9972BEN     (2017-09)     Plug-In Boards.om 
 
Problem  Possible cause  Correction 
No communication  Incorrect Baud rate 
1)
  Set Baud rate to 
19200 Baud 
 
Incorrect data format  Adhere to the standardized 
Profibus-DP data format 
(→  [2]) 
Cycle time >100 ms  Incorrect firmware  Firmware TPG300: 
302-654 
Firmware Profibus: V1.5 
 
Incorrect Baud rate 
1)
  Set Baud rate to 
19200 Baud 
 
1)
  At the controller TPG300, firmware 302-654 or higher 
 
 
   
6.4  Problems with the 
Profibus-DP Interface