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CU320

Created by: Raj dan at: 11/5/2009 12:27 PM (7 Replies)

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11/5/2009 12:27 PM	Rate (0)
Raj dan Posts: 11 Rating: (0)	In one of our application, we are having CU320 configuration in two MoMo with single CU320.We have a question regarding CU320. How many Drives can I configure under a CU320 in Servo / Positioning Mode?Our drive commissioning engineers had tried to commission 2 servo drives with single CU & DCC charts. But it was unable to download the configuration giving error of insufficient memory space. We have used Compact Flash Card with Performance Enhancement.Is it not possible to commission two servo drives & single CU with DCC charts? With single drive & single CU & DCC charts we are able to download & commission as servo drive.
Raj dan Posts: 11 Rating: (0)	Last edited by: O_Moderator at: 11/9/2009 10:23 AM transferred from intranet to internet
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11/6/2009 6:55 AM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 7/11/2025 Posts: 22663 Rating: (3066)	Hello, without DCC you can configure up to 6 Servo Drives on one CU320. When you use big DCC Charts then the number of Servos increased. The Memory message is this a fault in SINAMICS or a message in starter when you download? Regards Christoph

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11/6/2009 7:21 AM	Rate (0)
Raj dan Posts: 11 Rating: (0)	Yes, It's a message coming in starter. Also our commissioning Engineer says "giving error of insufficient memory space. We have used Compact Flash Card with Performance Enhancement " Does this means memory is not sufficient ?
Raj dan Posts: 11 Rating: (0)
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11/6/2009 10:48 AM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 7/11/2025 Posts: 22663 Rating: (3066)	Hi, please can yopu check if any drive fault on sinamics when the message occurrs in starter? And please post a screenshot with the error message. The CF Card with Performance Option have not more memory at the normal CF Card. At the moment i think you DCC Chart is to big for the RAM Memory on the CU. Regards Christoph

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11/6/2009 11:50 AM	Rate (0)
Raj dan Posts: 11 Rating: (0)	Thanks. I will try to get information from site Engineer. What I did understand from your answer is that - The CF Card with Performance Option have notenough memory and this may be one of the reason when we try to download big DCC chart gives this message. I am not much familar with CU but can we enhance this memory card or is their any option we can see.
Raj dan Posts: 11 Rating: (0)
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11/6/2009 1:27 PM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 7/11/2025 Posts: 22663 Rating: (3066)	Hello, no i think the problem is the memory on the CU (RAM)not on the CF-Card. The CF-Card with Performance Option have the same size as the CF-Card without the Performance Option. Both Cards have a size of 64 MB . Regards Christoph

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11/9/2009 4:29 AM	Rate (0)
Raj dan Posts: 11 Rating: (0)	Thanks. Can the memory of CU be extended ? or do we need additional CU for second servo drive ?
Raj dan Posts: 11 Rating: (0)
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11/9/2009 10:14 AM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 7/11/2025 Posts: 22663 Rating: (3066)	Hello, no, internal memory of th CU can be extended. When you use so big DCC Charts the you must use 2 C320.

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