Analog controller for servos

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11 months 3 weeks ago #337808 by Nkbhvid
Hi 
i am retrofitting a 2002 Homag BOF with Rexroth servo motors and ECOdrive BKC xx.3 040 7 FW.
The setup is originally communicating over Sercos I.
my intention was to use the inbuilt analog +-10v and skip the Sercos. I was planning to use the Mesa7i96 through Ethernet and a daughter card than can run analog communication on the 4 axis.
It seems though that Mesa has more or less abandoned their activities in Europe. 
So what are the alternatives to Mesa products? 

BR
Nkbhvid
 

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11 months 3 weeks ago #337810 by tommylight
www.eusurplus.com in Portugal
www.welectron.com in Germany
You would need :
Mesa 7i96S
Mesa 7i83 for analog out
Mesa 7i85 or 7i85S for encoder feedback
or just a single Mesa 7i97T for everything

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11 months 3 weeks ago #337811 by jmelson
Pico Systems has the PPMC, a set of boards to read encoders, drive +-10V velocity servo drives and handle digital I/O. It is fully supported by LinuxCNC. Take a look at: picosystems.store/product-category/analog-servo-interface-ppmc/
Jon

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11 months 3 weeks ago #337821 by Nkbhvid
Thanks
Problem is availability
Welectron do not sell mesa products any longer
Eusurplus is very limited in stock so I fear they are tapping out of mesa as well.
If it’s not sold within EU we cannot use them as suppliers

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11 months 3 weeks ago #337823 by Nkbhvid
Thanks
Pico is on my watchlist.
Unfortunately they do seem to have any dealers in EU.

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11 months 3 weeks ago #337826 by PCW
Replied by PCW on topic Analog controller for servos
Mesa just shipped product to Welectron  and Eusurplus

In addition Eusurplus has 7I97Ts in stock

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11 months 3 weeks ago #337850 by tommylight

Welectron do not sell mesa products any longer
They do sell Mesa stuff, just type Mesa in the searchbox on their website.

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