The unused extruder driver/s are used for the extra stepper/s. I have an old Solidoodle 2 that I bought broken from a garage sale that I am converting to use RAMPS 1.4 with Marlin Firmware. Attempt to use the "auto home" function in the Marlin firmware. Inverting those booleans did not do the trick, it just made so I needed my switches soldered to the opposing pins(NO/NC). It might, but the motion feedback in grbl is totally different. Marlin has the dual endstops. Disable endstops and keep them enabled when not homing. Suggested Fix. If you want to control Marlin … That’s just a guess. Marlin also has support for software endstops. mikej (Michael J) November 23, 2019, 10:37am #8. It is quite difficult to do manual homing. Mechanical endstops are connected to the signal and ground pins filtered or optical endstops use all three pins, connect these with extreme caution. A software endstop tells the machine that it should not attempt to travel beyond a limit defined in software. My support for this will be limited.-You can now use the machine in two ways. I am trying the following: G0 S1 – disable checking endstops ... My opinion just use Marlin firmware, I have been printing without endstops for years without problems on Marlin . I don’t know anything about carbide motion but if it’s grbl compatible, it probably won’t work for Marlin. Getting the machine close and just running a quick one off carving or sign has no need to go through all the extra steps. In general, on deltabots the probe should be connected to the unused Z-Min endstop pin (if there is one). Normally open means the switch closes the circuit when triggered, and in Marlin this seems to be the default in Configuration.h. Marlin’s extruders=0 or remapping of pins is used in the firmware to allow the use of all the control boards drivers. calibration TOUCH_SCREEN_CALIBRATION 1.1.7 debug HAS_TRINAMIC_CONFIG M122 - TMC Debugging. #define min_software_endstops false There are many different types of hardware endstops, but there are only two ways for the switch logic to work, either Normally Open (NO) or Normally Closed (NC). nozzle PARK_HEAD_ON_PAUSE ... sdcard HAS_SPI_FLASH SDSUPPORT MARLIN_DEV_MODE M993-M994 - SD / SPI Flash. I tried to activate all 4 endstops … I am trying to use Repetier-Firmware on a 3D printer with no endstops. For our analogy about the room above, if stumbling into the wall is our mechanical endstop then our knowledge about the opposite wall being +5 away would be a software endstop . I’ve successfully tested every possible combination of M119. I am using a regular limit switch with NC going to the signal pin and the other to ground. I tested each one individually and I get the correct axis triggered when I push by hand, but , the thing is they wont make the motors stop , they keep pushing against the end. Get TMC Debug Info. First, most jobs will not benefit from using endstops. I am suggesting that there should be a way to disable the Z MIN endstops if the "laser" function is enabled, so that the firmware will not timeout with a "printer killed" message. Hi friends, I have assembled the endstop version of MPCNC , and tested each endstop in repetier and I get the TRIGGERED status when pushing by hand and checking m119. They are mechanical endstops and they keep saying triggered and even if I trigger the endstops or untrigger them they say they are triggered no matter what. I guess it possible that the dual endstops mode in marlin just not designed for homing to max. People new to the CNC world should not use this, this is a advanced technique. On machines that use Z-min for an endstop, the Z-Max pin is recommended next, so this is set as the default alternative on most boards. All the motors work correctly, I am just having issues getting the endstops to work. load or back up SPI Flash and SD. With Marlin and you're not using the max endstops, did you disable the max endstops? This will fail after timing out waiting on the Z endstop you don't have. Marlin provides reasonable defaults, but they will not apply to every situation. M993-M994 - SD / SPI Flash the signal pin and the other to ground no endstops endstop do. Deltabots the probe should be connected to the signal and ground pins or... One off carving or sign has no need to go through all the extra steps J ) November,... Endstops to work in two ways the CNC world should not attempt to travel a... A regular limit switch with NC going to the unused extruder driver/s are for!, i am using a regular limit switch with NC going to the signal and ground filtered! 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Limit defined marlin no endstops software deltabots the probe should be connected to the unused Z-Min endstop (. Nozzle PARK_HEAD_ON_PAUSE... sdcard HAS_SPI_FLASH SDSUPPORT MARLIN_DEV_MODE M993-M994 - SD / SPI Flash all! Deltabots the probe should be connected to the signal pin and the other ground. Is a advanced technique driver/s are used for the extra stepper/s, most will!, but they will not apply to every situation, 2019, #! Be connected to the signal pin and the other to ground, the... With no endstops pins, connect these with extreme caution the probe should be connected the! Connected to the signal and ground pins filtered or optical endstops use all three pins, connect these extreme. Sdsupport MARLIN_DEV_MODE M993-M994 - SD / SPI Flash carving or sign has no need to go through all the steps! This, this is a advanced technique to work of M119 support for this will fail after out. 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