7i77 Servo Enable

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5 years 5 months ago #208743 by MrSpeaky
7i77 Servo Enable was created by MrSpeaky
Hello dear forum users

Ive nearly completed my wiring diagramm for my Mill retrofit
but i am not so sure about how to correctly wire my servo drivers to my 7i77



how would you wire the four analog servo pins
aout
gnd
ena+
ena0-

i would kindly appreciate any help
thank you

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5 years 5 months ago - 5 years 5 months ago #208754 by chris@cnc
Replied by chris@cnc on topic 7i77 Servo Enable
I would try
aout => 42
gnd => 41
ena+ => 36
ena0- => 3
Last edit: 5 years 5 months ago by chris@cnc.
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5 years 5 months ago #208755 by MrSpeaky
Replied by MrSpeaky on topic 7i77 Servo Enable
Thank you know this is what i thought about too but i wasnt sure cause of com + thank you know i can be more sure of not killing my boards

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5 years 5 months ago - 5 years 5 months ago #208756 by bevins
Replied by bevins on topic 7i77 Servo Enable
Check you can move manuall and the encoder is moving in the right direction before enabling. If you didnt already know that.
and try putting a 1.5v battery on pins 41 and 42 after manually enabling. Just a little safeguard.
Last edit: 5 years 5 months ago by bevins.

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5 years 5 months ago - 5 years 5 months ago #208757 by chris@cnc
Replied by chris@cnc on topic 7i77 Servo Enable
I edit ena+ and ena0.
You should look online in servodriver to check i/o bits
Last edit: 5 years 5 months ago by chris@cnc.
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5 years 5 months ago - 5 years 5 months ago #208759 by chris@cnc
Replied by chris@cnc on topic 7i77 Servo Enable
If ena0 => 37 and ena+ => 3 will happend nothing. On Second side is no com+
Last edit: 5 years 5 months ago by chris@cnc.
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