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NHP

FX3U and Servo Amp MR-J4

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I want to drive a servo amp MR-J4 in position control mode by using pulse train signal. I have FX3U but i think it's source output type (common output is V+).

Up on reading J4 manual, pulse train input to J4 is either open-collector type or differential type.

I'm still a beginner and don't know that would it be possible to drive J4 with this FX3U. If possible, how should i do? Any help and advice is greatly appreciate.

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Posted (edited)

 

J4 amps manifactured after Jan. 2015 with software version B7 have PP2/NP2 inputs for soure interface.

Check section 3.6.1 from here: https://pl3a.mitsubishielectric.com/fa/pl/dl/9202/SH(NA)-030107-R.pdf

If you are not lucky:

Source_Logic_Servo.pdf

Both wiring diagrams tested with MR-JE_A. It's the lighter version of MR-J4, but interfaces basiclly the same...

Edited by glavanov

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