Any tips on hooking up the micro-switches - Troubleshooting

I don&#;t know where you are in the build process nor where you got your parts. If you purchased your SKR Pro board from Ryan, then you will have a correct firmware on the board. If you purchased your the dual ends stop wires at the same time, then you will have the correct firmware. There are two configuration for the MPCNC serial and dual end stop. Ryan flashes what he thinks you will need based on the parts you purchased. If you are unsure, you should be able to look at your display when booting the control board and see the version. The dual end stop version will have a &#;D&#; after the firmware version number. If you don&#;t have a display installed, I believe sending a M115 will give you the info.

TMAZTZ supply professional and honest service.

If you did not buy your board from Ryan, but did purchase all the specified other hardware, then you will need to 1) download the appropriate version of the firmware from V1, 2) potentially make some changes to support the drivers you purchased (if they are different than the ones Ryan sells), and 3) flash the firmware. This is the release point for V1 firmware. All the parameters in the firmware that V1 provides is setup to the hardware he specifies for the MPCNC.

If you purchased alternate hardware like a pully with a different number of teeth, or lead screw with few or more mm per revolution, you would need to modify a few parameters in the firmware. These modifications can be done directly in the firmware or done after you your rig is running through g-code. Based on the information on this form, needing to make this kind of change is exceeding rare.

As for testing the end stop logic before you&#;ve installed the end stops, as mentioned above, the dual end stop firmware expects the connection to be normally closed. So if you have some Dupont cables, you could jumper between the signal pin and ground for all your end stop connections. Then start your homing sequence. Pulling the jumper off will stop that stepper. If you are having trouble, an M119 g-code can give you the states of all the end stop switches.

Edit: Also if you are having to modify firmware anyway, consider modifying the following section in your configuration.h to match the size (in mm) of your XY working area.

// The size of the print bed
#define X_BED_SIZE 200
#define Y_BED_SIZE 200

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Clutch micro switch

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Hey everyone. I&#;m having a problem trying to figure out how to activate my 2 step off of 2 micro switches that I bought from quarter max. I want to wire it into the first gear linkage and the clutch pedal so that when the clutch is pushed down and it&#;s in 1st gear the 2 step is activated. It&#;s in a 69 charger and the transmission is a Gforce G101A. Just wondering if anyone has a wiring diagram they could post. I&#;m not the biggest fan of wiring. Thanks

Re: Clutch micro switch

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Gus

I have my 2 step wired the same way off the first gear lever and a switch on my pedal stop. I really don't know how to post a diagram but I have them wired in series so both switches need to be closed to complete the circuit to activate the 2 step.Gus

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Re: Clutch micro switch

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Normally open will conduct when the switch is not on(activated), normally closed will conduct only when the switch is on or closed
If it needs ground due the same thing, same test

if the two step needs 12V current use a volt ohm meter to read the wires through the switch to see when it conducts current, use the ohm meter to read continuity, to see when it is conducting through the switch.Normally open will conduct when the switch is not on(activated), normally closed will conduct only when the switch is on or closedIf it needs ground due the same thing, same test

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Re: Clutch micro switch

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Contact us to discuss your requirements of micro switch on off. Our experienced sales team can help you identify the options that best suit your needs.

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Originally Posted by Cape

Hey everyone. I&#;m having a problem trying to figure out how to activate my 2 step off of 2 micro switches that I bought from quarter max. I want to wire it into the first gear linkage and the clutch pedal so that when the clutch is pushed down and it&#;s in 1st gear the 2 step is activated. It&#;s in a 69 charger and the transmission is a Gforce G101A. Just wondering if anyone has a wiring diagram they could post. I&#;m not the biggest fan of wiring. Thanks

Do you have a long shifter with the slider blocks? If you do mound the microspwith the contact the shifter block in first. If you have a non block style shifter used two side cover bolts to mount a microswitch bracket the is activated by the shift lever tab.

For the clutch I used the clutch pedal bumper stop hole for the ckutch micro but it eventually beat the switch to death a few times so I switched to a roller lever style from mcmaster.

As Gus said the need to be wired in series. I usually switch electronic stuff on the ground side if I have a choice these days.

Do you have a long shifter with the slider blocks? If you do mound the microspwith the contact the shifter block in first. If you have a non block style shifter used two side cover bolts to mount a microswitch bracket the is activated by the shift lever tab.For the clutch I used the clutch pedal bumper stop hole for the ckutch micro but it eventually beat the switch to death a few times so I switched to a roller lever style from mcmaster.As Gus said the need to be wired in series. I usually switch electronic stuff on the ground side if I have a choice these days.

Re: Clutch micro switch

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Originally Posted by Cape

Hey everyone. I&#;m having a problem trying to figure out how to activate my 2 step off of 2 micro switches that I bought from quarter max. I want to wire it into the first gear linkage and the clutch pedal so that when the clutch is pushed down and it&#;s in 1st gear the 2 step is activated. It&#;s in a 69 charger and the transmission is a Gforce G101A. Just wondering if anyone has a wiring diagram they could post. I&#;m not the biggest fan of wiring. Thanks

Attached pic may help. This assumes you will be using a Line Lock to stage. The linelock PB, the shifter micro and the Clutch micro are wired in series. Use the "Normally Open" contact from each device.
2-Step will be active when the car is in 1st gear and the clutch pedal is pressed and the line lock PB is pressed. Releasing the linelock pb or the clutch pedal or shifting out of 1st gear will de-activate the 2-stap.

Attached pic may help. This assumes you will be using a Line Lock to stage. The linelock PB, the shifter micro and the Clutch micro are wired in series. Use the "Normally Open" contact from each device.2-Step will be active when the car is in 1st gear and the clutch pedal is pressed and the line lock PB is pressed. Releasing the linelock pb or the clutch pedal or shifting out of 1st gear will de-activate the 2-stap.

Re: Clutch micro switch

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Thank you very much. That picture is a life saver. I appreciate it. Thanks everyone as well for the help.

Re: Clutch micro switch

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Here's something you may want to add to your set-up. The relay will let you stage the car, activate the 2-step when the clutch pedal is pressed and shifter is in 1st gear and you push the line-lock PB. The "Normally Open" relay contact will bypass the linelock PB and keep the 2-step and linelock active until you release the clutch or shift out of 1st gear. This way you will not have to keep the linelock PB pressed while the car is staged.

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