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CU320 DP not connecting to target device

Created by: syedinst at: 1/13/2018 4:05 PM (4 Replies)

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1/13/2018 4:05 PM	Rate (0)
syedinst Regular Member Joined: 8/7/2017 Last visit: 3/1/2023 Posts: 14 Rating: (0)	Dear all, Greetings ! We have three CU320 DP which are connected to double motor modules. There was a fault in CU number 2 "F07840 Drive: Infeed operation missing" i acknowledged it but it came again then i tried operating other drives in same CU but they are not working. At last i tried downloading the program again but only CU number third is downloaded successfully and the remaining two CUs are not connecting flashing error that set PG/PC interface or network. I checked PG/PC interface settings of CU 3rd which was downloaded successfully all the settings are same for all three CUs. Station address is also same selected as on respective hardware. Now, i cannot connect to the CUs for downloading programme. Waiting for advises. Thanks.

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1/14/2018 7:05 AM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (877)	Are you able to view infeed modules? If not please check Drive CLiQ cable from CU to infeed modules.

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This contribution was helpful to 2 thankful Users Diniz_ mindware

1/15/2018 10:10 AM	Rate (0)
Technology Team Platinum Expert Joined: 10/11/2006 Last visit: 9/30/2024 Posts: 5909 Rating: (804)	Hello, I think it is not the question of accessing the infeed. I think you have a problem getting online access to your DP Control Units. You need to try to get online either via Profibus or via X127 Ethernet port. I think going online with X127 in front of the CU is easier. Connect it via Ethernet to your PC, set up the correct PG/PC interface in Starter and search for accessible devices. The default address of X127 is 169.254.11.22. If you reached to get online you need to check p864 on your drives. Which kind of setup do you have? Does each CU have their own Infeed or is there only one central infeed for all drives? Or do you have infeeds without DRIVE-CLiQ interface (SLM 5 / 10 kW)? Are you sure you enabled the infeed before enabling the drives? There are too many open questions to give you a proper advise how to solve your issue. We need more information. Here is a getting started, where you find a description on how to get online with your device (see from chapter 5.2 on): https://support.industry.siemens.com/cs/de/en/view/109754314
	With best regards, Technology Team Application consulting and pre sales support for SINAMICS, SIMATIC Technology, SIMOTION, SIMOTICS and MOTION CONNECT
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1/15/2018 5:30 PM	Rate (0)
syedinst Regular Member Joined: 8/7/2017 Last visit: 3/1/2023 Posts: 14 Rating: (0)	PISCEAN 2010 Are you able to view infeed modules? If not please check Drive CLiQ cable from CU to infeed modules. Hi, i missed to mention earlier that i had downloaded the updated PLC program which was sent by manufacturer of machine before this problem occurs. So, I have downloaded old PLC and HMI again after that this error gone itself. Now, it is working. But CU still is not going online. For making sure i will download only updated blocks again and will update here.

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1/19/2018 8:04 PM	Rate (0)
syedinst Regular Member Joined: 8/7/2017 Last visit: 3/1/2023 Posts: 14 Rating: (0)	Dear Tech Team and PLCSean Here is update. Thank you Tech team for guiding on connecting through Ethernet. I have connected it via Ethernet now it is fine. Fault ''F07840 Drive: Infeed operation missing'' now it is not coming after i switched back old program. Although actual reason is still unknown but it went into fault mode after i downloaded the whole program which was modified by the machine manufacturer now i just downloaded only modified blocks along with HMI. When checking and comparing the modified program i couldn't find anything which is related to the specific motor in which this fault was showing. Regarding your question - ''Does each CU have their own Infeed or is there only one central infeed for all drives? Or do you have infeeds without DRIVE-CLiQ interface (SLM 5 / 10 kW)? Are you sure you enabled the infeed before enabling the drives?'' Answer - Three CUs and central infeed for all the drives with CLIQ interface. All was enabled i didnt do anything other than downloading. I have one more query every time i connect and disconnect through Ethernet it asks about some inconsistencies so i chose option Load to PG and then saved it but still it comes every time i go offline from online.

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This contribution was helpful to 1 thankful Users PISCEAN 2010

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