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Micromaster 420 BOP 0-6

11/17/2010 1:13 PM	Rate (0)
Onilll Posts: 10 Rating: (0)	Two of them with same problem. On BOP every half second 0 change 6, and 6 change 0. When I push START motor start spinning speed 6. On STOP its stoping and 0-6-0-6- appears again. Two times make reset to manufacturing. P1080=0. Please help. Thanks. udp.: r0947 - all 0 r2110 - in000=0; in001=0; in002=503; in003=503 Incoming voltage is OK
Onilll Posts: 10 Rating: (0)	Last edited by: Onilll at: 11/17/2010 1:23 PM Last edited by: Onilll at: 11/17/2010 1:22 PM
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11/19/2010 1:20 AM	Rate (0)
Graeme Platinum Expert Joined: 6/4/2008 Last visit: 8/5/2025 Posts: 1518 Rating: (327)	Onilll Two of them with same problem. On BOP every half second 0 change 6, and 6 change 0. When I push START motor start spinning speed 6. On STOP its stoping and 0-6-0-6- appears again. Two times make reset to manufacturing. P1080=0. Please help. Thanks. udp.: r0947 - all 0 r2110 - in000=0; in001=0; in002=503; in003=503 Incoming voltage is OK Hi, this is normal, when a drive flashes between 0 and "a value", it just means that this is the target setpoint if the drive was given the enable signal, then it will run at this speed. You need to determine where this target setpoint is coming from. You say that you have reset to factory defaults, therefore, P1000 should be = 2 (Source of frequency setpoint = Analog) See the attached picture, if you can use starter, you can see where this frequency setpoint is coming from. Failing that, use the function diagrams to see which parameters to look at on the BOP. Cheers, Graeme Attachment 6.zip (194 Downloads)

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This contribution was helpful to 1 thankful Users Vithani

11/19/2010 2:26 PM	Rate (0)
Onilll Posts: 10 Rating: (0)	Thank you very much.
Onilll Posts: 10 Rating: (0)
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11/20/2010 8:05 AM	Rate (0)
Ayman Elotaify Platinum Expert Joined: 5/28/2008 Last visit: 9/3/2025 Posts: 4522 Rating: (843)	Hello Onilll, I am agree with Graeme. The value on the BOP will switch betwwen 0 & another value like in your case, if there is an active setpoint applied to the drive but the enable start signal is not activated yet. You can test it if you have an analog setpoint and you did noy activated the enable signal. If you have change the analog setpoint value, the value will change also on the BOP. It is normal. In the following link, there is a MM420 Simulator. You can test your case if you go to initial applications/ selecting the command source http://cmsapps.sea.siemens.com/sitrain/wbt/MM420/start.htm Hope this helps.
	Ayman Elotaify
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