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1200 Motion Control positioning via DataBlock

Created by: radoslaw.j at: 2/22/2021 11:53 AM (4 Replies)

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2/22/2021 11:53 AM	Rate (0)
radoslaw.j Member Joined: 4/20/2018 Last visit: 8/14/2025 Posts: 2 Rating: (0)	Hi guys, I have some problem wiht MC via DataBlock. I try to control not Siemens inveter (mode ASC servo) by MC positioning. In detail axis is not enabled. So I did: 1. I add tegchnology obiect MC possitioning. I configured drive and encoder conection via DataBlock. 2. I add Datablock with structure telegram 3 (PD_TEL3). 3. I disabled optimalization in block. 4. I compiled it and download into PLC. I simulate signals: a. ControlRequested b. ReadyToSwitchOn c. ReadyToOperate d. OperationEnabled 5. Execute MC_POWER to enable After this in Online diagnostics of I can see that drive is ready, no error but it's not enabled (attachment). After I try move axis it's give back error "Axis is not enabeled (general). Do you have some tips or solution? I tried to enable axis by comissioning but this same result as you can se on pictrue. Sorry for my bad english . Attachment 3.png (863 Downloads)
	Last edited by: radoslaw.j at: 02/22/2021 11:55:09 Last edited by: radoslaw.j at: 02/22/2021 20:58:43 Last edited by: radoslaw.j at: 02/22/2021 21:00:12
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2/23/2021 12:00 PM	Rate (0)
S83 Regular Member Joined: 4/28/2015 Last visit: 4/4/2025 Posts: 16 Rating: (5)	Hello radoslaw, is there a real drive and encoder connected to the PLC? Are you trying to communicate with the drive and encoder over DB? If yes. Did you assigned the DB Telegramm output and input values to the corresponding drive and encoder telegram in Pre-and Post-Servo OBs? I think more information necessary to find out, whats wrong. Thx.

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2/23/2021 12:09 PM	Rate (1)
Mister T Silver Expert Joined: 4/28/2015 Last visit: 8/7/2025 Posts: 399 Rating: (60)	Hello, you have to switch the bits in "PROFIdrive"-way, like you could see in SINAMICS S120 list manual on page 2199 (Function diagram -2610-). It is not possible to switch on all bits at the same time... SINAMICS S120/S150 (06/2020 - FW 5.2 SP3) List Manual Page 2199 (Function diagram -2610-) https://support.industry.siemens.com/cs/ww/en/view/109781807

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This contribution was helpful to 1 thankful Users cliff.pennalligen

2/25/2021 9:34 AM	Rate (0)
radoslaw.j Member Joined: 4/20/2018 Last visit: 8/14/2025 Posts: 2 Rating: (0)	There is not real drive. But it doesn't matter. Now Problem solved. The problem was sequences of control input bits and enable signal of MC_POWER block. It is described very widely in link form Mister T. Now I have problem with error durign moving but I think I can't solve it whitout real drive and encoder. Thanks for your help.

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6/4/2025 6:12 PM	Rate (0)
cliff.pennalligen Bronze Member Joined: 7/25/2017 Last visit: 8/7/2025 Posts: 362 Rating: (59)	Just an update to this post - Siemens has created “LBMDT” (Library of behavior model for drive telegram) for this purpose. https://support.industry.siemens.com/cs/document/109821327/

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This contribution was helpful to 1 thankful Users Moderator_Lan

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