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frequency does not change more than 5Hz

Created by: Milen_I. at: 10/23/2013 12:58 PM (15 Replies)

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10/23/2013 12:58 PM	Rate (0)
Milen_I. Posts: 23 Rating: (0)	Hello, I write to you for advice. I have the following problem. I'm trying to set frequency in PROFIBUS motor as W#16#3000. When I start command via profibus, inverter start but the frequency does not change more than 5Hz. I suppose that somewhere there is a set maximum frequency, but I can not figure out how to change it. So I restored factory settings but the result was the same. What i set is P700-6, P1000-6, P2000-50Hz, P0918-Addres. Please give me advice.
Milen_I. Posts: 23 Rating: (0)	Last edited by: O_Moderator at: 10/23/2013 1:03 PM new subject after splitting from /tf/WW/en/Posts/70415#top
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10/23/2013 4:01 PM	Rate (0)
Ste39 Platinum Member Joined: 1/21/2013 Last visit: 11/20/2024 Posts: 4620 Rating: (710)	Hi are you sure you really get the reference in the right PQW that goes to the Micromaster? what type of PPO you have? What kind of PLC controls your Micromaster? And P0719 = What is the value?
	Last edited by: Ste39 at: 10/23/2013 4:42 PM
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10/24/2013 8:24 AM	Rate (0)
Milen_I. Posts: 23 Rating: (0)	I've attached a picture with the parameters. And for parameter P0719 - 0 Attachment MM4.JPG (363 Downloads)
Milen_I. Posts: 23 Rating: (0)
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10/24/2013 8:57 AM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 9/15/2025 Posts: 9027 Rating: (1199)	Hello Milen_l., Just thinking: 5 hz is mostly a value for the jog frequency. Perhaps you can read out parameter: 2090 (Control word from CB) Best regards, Wizard

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10/24/2013 9:18 AM	Rate (0)
Ste39 Platinum Member Joined: 1/21/2013 Last visit: 11/20/2024 Posts: 4620 Rating: (710)	Hi Milen_I from the picture you sent, you see two other Micromaster, with address 12 and 15, are of the same type? working properly? if so, you can try to compare the respective parameters to the Profibus.

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10/24/2013 2:48 PM	Rate (0)
Milen_I. Posts: 23 Rating: (0)	Not there is the same situation
Milen_I. Posts: 23 Rating: (0)
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10/24/2013 2:52 PM	Rate (0)
Ste39 Platinum Member Joined: 1/21/2013 Last visit: 11/20/2024 Posts: 4620 Rating: (710)	Hi Milen_I. Can you send us your STEP 7 program so we can see if we can help you?

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10/28/2013 7:44 AM	Rate (0)
Milen_I. Posts: 23 Rating: (0)	I sent you a message with the link from where you can download it
Milen_I. Posts: 23 Rating: (0)
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10/28/2013 11:04 AM	Rate (0)
O_Moderator Diamond Member Joined: 4/24/2009 Last visit: 8/20/2024 Posts: 2682 Rating: (135)	Hello Milen_I., it would be great to have this project accessible for all users, because now only one users is able to help you. Best regards O_Moderator
	Tips&Tricks for the forum usage
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10/28/2013 11:24 AM	Rate (0)
Milen_I. Posts: 23 Rating: (0)	I tried to attach the project but the site allows only 3000kb, the project is 24Mb.
Milen_I. Posts: 23 Rating: (0)
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10/28/2013 12:26 PM	Rate (0)
O_Moderator Diamond Member Joined: 4/24/2009 Last visit: 8/20/2024 Posts: 2682 Rating: (135)	Milen_I. I sent you a message with the link from where you can download it What about the link?
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11/7/2013 9:57 AM	Rate (0)
Ste39 Platinum Member Joined: 1/21/2013 Last visit: 11/20/2024 Posts: 4620 Rating: (710)	Hi Milen_I You have solved the problem? Otherwise you may send to us, only the hardware configuration, and whether the program is well structured only Functions or Function Blocks which exchanges data between PLC and Micromaster.

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11/9/2013 5:19 AM	Rate (0)
Prajyot Posts: 40 Rating: (0)	Hello, If you want to check maximum freq , Its in P1082. All the best, Prajyot
Prajyot Posts: 40 Rating: (0)
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11/9/2013 8:06 AM	Rate (0)
Ste39 Platinum Member Joined: 1/21/2013 Last visit: 11/20/2024 Posts: 4620 Rating: (710)	Hello Prajyot, We have already solved the problem of Milen_I Take a look: MICROMASTER 420 control by Profibus Thanks for your interest
	Last edited by: Ste39 at: 11/9/2013 8:07 AM
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11/19/2013 9:39 AM	Rate (0)
ach Regular Member Joined: 8/23/2011 Last visit: 12/5/2019 Posts: 19 Rating: (0)	Dear Milen, What is value in P1070

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11/22/2013 12:56 PM	Rate (0)
Vithani Platinum Expert Joined: 7/8/2009 Last visit: 6/7/2025 Posts: 1977 Rating: (479)	ach Dear Milen, What is value in P1070 Ste39 Hello Prajyot, We have already solved the problem of Milen_I Take a look: MICROMASTER 420 control by Profibus Thanks for your interest
	I dont Like people driving Fast, thats the reason I overtake them ;)
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