Thread: Limits, homes, override switch
Threaded View
-
22-02-2016 #10
Jazz can probably explain it better than me, but you can use the same switches as home and limits as Mach3 can disable limits when homing.
Microswitches are cheap enough (I don't pay more than €2 each) and it looks as though you have standard microswitches, so forget what I said about inductive sensors.
It is not usual to have a Z-- switch. If the object of the Z-- limit is to stop you crashing the tool into the machine bed, you need to know the tool length, so Z-- is pointless.
You should arrange the switches so the actuating is not done by end on contact, but by an arm passing by the switch. That way the switch won't get crushed.
I haven't looked in proper detail at your wiring diagram, but my first impression was that it was over-complicated. I can't understand why you are talking about 10v and 24v as the BoB input pins are 5v, any higher and you could fry the board.
Estop should kill power to the drives and VFD and report to Mach3 that an Estop has happened, which is what you have.
Cheers,
Rob
Thread Information
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
Similar Threads
-
feedrate override using rotary momentary switch?
By routercnc in forum General ElectronicsReplies: 8Last Post: 26-02-2015, 10:11 PM -
Proximity switch NPN or PNP
By Matt81 in forum General ElectronicsReplies: 9Last Post: 19-04-2014, 11:38 AM -
stepper acceleration rate - limits?
By dsc in forum Stepper & Servo MotorsReplies: 11Last Post: 02-03-2014, 02:25 PM -
limits on mill table
By John11668 in forum Gantry/Router Machines & BuildingReplies: 5Last Post: 31-08-2011, 06:46 PM -
Limits or homing switchs???
By Ross77 in forum Computer SoftwareReplies: 11Last Post: 28-03-2010, 03:17 AM
Bookmarks