Single Ended Signaling from 7i76ED
07 Feb 2021 09:48 #197901
by Hamel2020
Single Ended Signaling from 7i76ED was created by Hamel2020
Hi ,,,
As I know that mesa 7i76e give a differential signal for (pulse and direction) to control the servo motor speed and direction , my question is : I have a servo drive needs a single ended signal to communicate with servo motor , can I get it from mesa , if yes , how the grounding will be ?
If some one have an idea , will be very helpful ..
thanks
As I know that mesa 7i76e give a differential signal for (pulse and direction) to control the servo motor speed and direction , my question is : I have a servo drive needs a single ended signal to communicate with servo motor , can I get it from mesa , if yes , how the grounding will be ?
If some one have an idea , will be very helpful ..
thanks
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07 Feb 2021 12:35 - 07 Feb 2021 12:36 #197912
by PCW
Replied by PCW on topic Single Ended Signaling from 7i76ED
For single ended, you just use one output:
Common ground = common cathode = Step+, Dir+ and ground pin
Common +5V = common anode = Step-, Dir- and 5V pin
The unused differential outputs are left unconnected
Common ground = common cathode = Step+, Dir+ and ground pin
Common +5V = common anode = Step-, Dir- and 5V pin
The unused differential outputs are left unconnected
Last edit: 07 Feb 2021 12:36 by PCW.
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10 Feb 2021 07:38 #198250
by Hamel2020
Replied by Hamel2020 on topic Single Ended Signaling from 7i76ED
Hi Peter,
Thank you very much for your support ...
I have to supply a single -ended analog signal , and I have to use the TB2 form my Mesa card ,,,
my question is : how can I get an analog signal form TB2 ,
since the stp/dir signal is ( digital ??)
Thanks
Thank you very much for your support ...
I have to supply a single -ended analog signal , and I have to use the TB2 form my Mesa card ,,,
my question is : how can I get an analog signal form TB2 ,
since the stp/dir signal is ( digital ??)
Thanks
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10 Feb 2021 16:03 #198284
by PCW
Replied by PCW on topic Single Ended Signaling from 7i76ED
What kind of analog signal do you need?
That is what range and precision do you need?
That is what range and precision do you need?
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10 Feb 2021 16:12 #198286
by Hamel2020
Replied by Hamel2020 on topic Single Ended Signaling from 7i76ED
I need a signal range -10 to +10V , send to my servo drive ...
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10 Feb 2021 16:13 #198287
by Hamel2020
Replied by Hamel2020 on topic Single Ended Signaling from 7i76ED
My servo drive type is Ormec G type
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10 Feb 2021 16:17 #198288
by Hamel2020
Replied by Hamel2020 on topic Single Ended Signaling from 7i76ED
Servo drive signal
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10 Feb 2021 16:56 #198291
by PCW
Replied by PCW on topic Single Ended Signaling from 7i76ED
Is this for a spindle?
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10 Feb 2021 16:59 #198293
by Hamel2020
Replied by Hamel2020 on topic Single Ended Signaling from 7i76ED
No ... for servo motor in x direction ,
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10 Feb 2021 17:11 #198296
by PCW
Replied by PCW on topic Single Ended Signaling from 7i76ED
OK so unfortunately its pretty awkward to just add support for a single
analog drive/encoder to a 7I76E. you could add a 7I83 for analog out
but you would need another daughter card to add an encoder input
(assuming the 7I76Es encoder is already dedicated to the spindle)
analog drive/encoder to a 7I76E. you could add a 7I83 for analog out
but you would need another daughter card to add an encoder input
(assuming the 7I76Es encoder is already dedicated to the spindle)
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