Setup TO_Objects (Axis-Sync) parameters in StartUp OB

 Thank you Mister T!
Made this WRIT_DBL and it worked.
(Also made a Pulse for Restart of the TO)
But it was a bit weird..
I made the first WRIT_DBL, then ofc i get a difference in my TO_Object.
I Make an upload to get it same.
Then
I made another WRIT_DBL, with EXACT same data.
And i get a difference.
Its a never ending cycle of upload and WRIT_DBL.

But at least i saw the values change in the TO_Object when i did this..
SO it does work.
But a bit weird for containing same projects etc..
But will test.
THank you!

Mister T

Hello,

please have a look to the manual(s), to get the right information:

• Positioning axis:
  
  SIMATIC S7-1500 S7-1500/S7-1500T Axis functions V5.0 in TIA Portal V16
  https://support.industry.siemens.com/cs/ww/en/view/109766462
  
  
• Synchronous axis:
  
  SIMATIC S7-1500 S7-1500/S7-1500T Synchronous operation functions V5.0 in TIA Portal V16
  https://support.industry.siemens.com/cs/ww/en/view/109766464
  
  

For example, for a position axis, you find in chapter A.2 "Tags of the positioning axis technology object (S7-1500, S7-1500T)" of the documentation, the information to make changes directly in technology object data block:

Tag "W" descripes the "Effectiveness of changes in the technology data block"

• DIR "Direct":
  Values are changed via direct assignment and take effect at the start of the next MC-Servo [OB91].
  
  
• CAL "At call of Motion Control instruction":
  Values are changed directly and take effect at the start of the next MC-Servo [OB91] after the call of the corresponding Motion Control instruction in the user program.
  
  
• RES "Restart":
  Changes to the start value in the load memory are made using the extended instruction "WRIT_DBL" (write to DB in load memory). Changes will not take effect until after restart of the technology object.
  
  
• RON "Read only":
  The tag cannot and must not be changed during runtime of the user program.