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Tacho feedback

9/5/2014 8:56 AM	Rate (0)
List Posts: 664 Rating: (17)	Hai All, I am working with 6RA80 DCM. We are interfacing tachogenerator to the motor. My doubt is how i will monitor the actual rpm from tacho? I have to disply actual rpm to a speed meter. how i will configure analog output for a tacho feedback? Thanks&Regards, Raj
List Posts: 664 Rating: (17)
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9/5/2014 9:31 AM	Rate (0)
KSN Platinum Member Joined: 8/25/2006 Last visit: 9/12/2025 Posts: 2218 Rating: (282)	Hello. Look atList manual, function diagram 2075 and 6810. Connect tacho to term. XT1:103, 104. Set reference speed in p2000, tacho voltage in p50741, speed actual value in p50083=1. You can see rpm in r063, r021.

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9/5/2014 6:48 PM	Rate (0)
List Posts: 664 Rating: (17)	Hai KSN, Thanks for the reply.. I have refered the functional diagram. I got r52013 as tacho generator output.Is this parameter can i use for the monitoring if the actual rpm? Thanks&reagrds, Raj
List Posts: 664 Rating: (17)
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9/8/2014 5:07 AM	Rate (0)
KSN Platinum Member Joined: 8/25/2006 Last visit: 9/12/2025 Posts: 2218 Rating: (282)	Hello. ~~No, r52103 is armature current flow duration.~~ To see rpm from tacho use r063 or r021.
	Last edited by: KSN at: 9/16/2014 6:28 PM
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9/16/2014 6:33 PM	Rate (0)
KSN Platinum Member Joined: 8/25/2006 Last visit: 9/12/2025 Posts: 2218 Rating: (282)	Hello. Just noticed my mistake. Of course you can use r52013, but this value is in % of p50741. For rpm look at r021, r063.

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