I'm using 24v hall effect proximity switches linked to a mechanical relay to interface with the logic voltage (3.3v). I am not using a resistor, should I be adding it on the 24v side or the 3.3v side?
On Tuesday, November 21, 2017 at 12:35:44 PM UTC-6, Eric Keller wrote: > This is obviously a hardware issue that has nothing to do with the > software. Nothing hooked up to inputs is not that great for noise > immunity. A limit switch grounding a power supply through a resistor > should be pretty immune to noise, is that what you are doing? Shields > probably not required. > Eric Keller > Boalsburg, Pennsylvania > > On Tue, Nov 21, 2017 at 12:13 PM, <[email protected] > <javascript:>> wrote: > >> I've managed to get up and running with machinekit except for being able >> to set up home switches. Even with no wires connected to the home switch >> pins, the home switch input will sporadically be triggered as soon as the >> machine is powered up. It None of the stepper motor cables are shielded, >> but I still would not expect noise to be triggering endstops without any >> wires leading to the inputs. Is there some way to resolve this issue? >> Should I physically move the beaglebone away from all the other hardware? >> Or is something else going on here that I don't understand? >> >> My configuration is just the default Xylotex board. >> >> -- >> website: http://www.machinekit.io blog: http://blog.machinekit.io >> github: https://github.com/machinekit >> --- >> You received this message because you are subscribed to the Google Groups >> "Machinekit" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> Visit this group at https://groups.google.com/group/machinekit. >> For more options, visit https://groups.google.com/d/optout. >> > > -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. Visit this group at https://groups.google.com/group/machinekit. For more options, visit https://groups.google.com/d/optout.
