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uss communication

9/16/2009 12:31 PM	Rate (0)
nishu Posts: 66 Rating: (1)	I am communicating S7-200 with VFD MM440 over USS. If power supply of PLC switch off or uss cable is remove VFD still in running mode, I want to stop the VFD, please provide the parameter setting for this purpose
nishu Posts: 66 Rating: (1)
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9/16/2009 1:36 PM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 9/15/2025 Posts: 9027 Rating: (1199)	Dear nishu, Please have a look at parameter 2014 (USS telegram off time), Perhaps it is useful. Best regards, Wizard

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9/17/2009 2:32 AM	Rate (0)
Graeme Platinum Expert Joined: 6/4/2008 Last visit: 8/5/2025 Posts: 1518 Rating: (327)	See this thread /tf/WW/en/Posts/28900#top

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9/17/2009 8:27 AM	Rate (0)
nishu Posts: 66 Rating: (1)	Dear Graeme I want to provide rpm set point via USS communication when DI No. 3 is off and rpm setpoint is Analog Set Point 2 when DI No.3 is ON, please provide the parameter setting for this.
nishu Posts: 66 Rating: (1)
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10/29/2009 11:43 AM	Rate (0)
Vithani Platinum Expert Joined: 7/8/2009 Last visit: 6/7/2025 Posts: 1977 Rating: (479)	you can do this using cds change over. set P1000.0 to ur USS and P1000.1 to analog and use DI3 bico to chang datasets using P810 Caution: All command data set will be change over so you have to take care for each parameters you are using. You have to configure for both indices. Hope this will help. Regards, Devesh Vithani
	I dont Like people driving Fast, thats the reason I overtake them ;)
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