{"id":630,"date":"2018-10-24T19:37:55","date_gmt":"2018-10-24T19:37:55","guid":{"rendered":"https:\/\/piper3dprinters.com\/?page_id=630"},"modified":"2019-04-30T21:31:36","modified_gmt":"2019-04-30T21:31:36","slug":"connecting-4-z-motors-of-piper-2","status":"publish","type":"page","link":"https:\/\/piper3dprinters.com\/?page_id=630","title":{"rendered":"Connecting 4 Z motors of Piper 2"},"content":{"rendered":"

[Update] Latest recommendation is to use Klipper firmware https:\/\/github.com\/KevinOConnor\/klipper <\/a>with 2 Arduino+Ramps 1.4 or other similar boards. Connecting 4 motors to a separate stepper driver. This allows the use of mechanical auto gantry leveling or 4 endstop configuration.<\/p>\n

There are several ways to connect 4 stepper motors to a single RAMPS like board.
\n1. Connect them in mixed parallel and a serial connection to a single stepper driver. This has worked for me for some time.
\n2. Connect 2 motors on one side of X in series to Z stepper driver and connect 2 other motors in series to E1. Look to enable “Z_DUAL_STEPPER_DRIVERS” in Configuration_adv.h in Marlin. The benefit of this connection is that each motor receives 2 times more power than in the first method, and also is a possible step to have “Z_DUAL_ENDSTOPS” enabled what will make homing on left and right side of the printer independent. I have implemented this method for a 3 stepper motor schema to fight one side creeping.
\nThis video shows use of both Z_DUAL_STEPPER_DRIVERS and Z_DUAL_ENDSTOPS:
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