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General Mach Discussion / Re: Looking for good DIY controller kit supplier
« on: November 28, 2020, 01:45:53 PM »
The BOB that I use is perfectly suitable for a beginner and intermediate user.
Nothing special on it. It has a possibility to "control" 5 stepper motors or 4 motors + spindle.
As you can see from schematic, if jumper is placed on dedicated pins it controls the relay which can be used for switching spindle On/Off. PWM is available at the terminal P1 buffered from pin1 of LPT port and as 0-10V at dedicated output near relay output.
So it is Mach3 that controls spindle THROUGH BOB
Another thing, this BOB needs two power supplies. One 5V connected to PC 5v and PC GND and a second one, 12-24V (if stepper supply is not higher than 24V it can be used), for input side (Home/Limit/Probe).
Chinglish? Attached manual is quite easy to understand.
Nothing special on it. It has a possibility to "control" 5 stepper motors or 4 motors + spindle.
As you can see from schematic, if jumper is placed on dedicated pins it controls the relay which can be used for switching spindle On/Off. PWM is available at the terminal P1 buffered from pin1 of LPT port and as 0-10V at dedicated output near relay output.
So it is Mach3 that controls spindle THROUGH BOB
Another thing, this BOB needs two power supplies. One 5V connected to PC 5v and PC GND and a second one, 12-24V (if stepper supply is not higher than 24V it can be used), for input side (Home/Limit/Probe).
Chinglish? Attached manual is quite easy to understand.