Mitsubishi Servos (MRJ4-10A With HG-KR13)
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Hello everyone
I am currently trying to connect 100w mitsubishi servos to my 3d printer and I would like to get help
I have 0 idea where to begin, so if someone can point me in the right direction, I would be very thankful. -
@zughal
According to the manual, the MRJ4-controller only understands Modbus or RTU protokol. It communicates through RS485 standards.
Not sure, if any RRF-compatible controller speaks that dialect? Even if, it would then depend on your Duet-board, how to connect the amplifiers.Do you also have a Modbus master controller? It would probably have a USB terminal to control upto 32 amplifiers from one data port.
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@zughal It looks like the servo amplifier takes in forward and reverse step pulses. Duet boards output step, direction, and enable signals to stepper drivers. I think you'll need some sort of hardware signal converter or to write some code to run on the Duet board to get it to produce forward and reverse step pulses (at 24V).
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@o_lampe I read through the amplifier instruction manual and found that cn1 takes forward and reverse signal, now I need to find some way to convert step/dir to forward and reverse
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I found this too, now I need to figure out how to convert these signals to desired output
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@zughal
Even if you were able to convert the step/dir signals, there is still a problem with initialisation of the amplifier (microsteps, motor current). With a little luck it has some default values you can live with, but it's a gamble...
