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Mellow-3D / FLYF407ZG

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How to Add External Driver? #34

Open gsuresh2u opened 3 years ago

gsuresh2u commented 3 years ago

Hi, i am using 4 motors for Z axis (Nema23) and i am using TMC5160 v1.2 for all 9 drivers and with 128 microstep TMC5160 is capable of 4.5Amp, and My NEMA23 motors are 4A/phase after starting 5 minutes of printing, my Z stepper drivers are heating so much, i am unable to touch them here is my Stepper motor info Nema23-30 61Kg Motor Specs and in Marlin advanced config, i modified as below for all Z motors

#if AXIS_IS_TMC(Z)
    #define Z_CURRENT       2545 //    4 Amp / 1.414 = 2.828 -> 2.828 * 0.9(90% Capacity) =2.545A = 2545mA
    #define Z_CURRENT_HOME  Z_CURRENT
    #define Z_MICROSTEPS     128
    #define Z_RSENSE         0.075   //0.11 (For TMC5160 its 0.075, i read it in some blog)
    #define Z_CHAIN_POS      -1
  #endif

Still having the same heat problem Is there any way to add External Drivers like TB6600 ?

jaysuk commented 3 years ago

yes, you can run external drivers. just connect the step, enable and direction directly to the driver. There are many instructions on the internet about how to do so