Re: [CAD_CAM_EDM_DRO] Help Needed!!

satan wrote:

>Hello All,
>
>I am a complete newbie to CNC machines but recently after seeing a lot
>of cool homemade CNCs as well their preformance decided to build one
>of my own.
>
>After just my first step I seem to be stuck, so need some help from
>you pros!! I bought a stepper driver called MYCOM model SD45-431.
>Unfortunately this came with no Datasheet, the only info on the
>nameplate says 5V 4.0A and Input 90V-120V AC. I wired in the
>connections the way I though made sense but the tiny little stepper I
>bought for testing overheats in just seconds!! I wanted to know if you
>guys could help me confirm my pin connections. The driver has pins as
>follows:
>
>

Is it a 4 A motor? Because, without some changes, it will deliver 4 Amps
to the motor. I don't see any terminals for a current setting. Are there
dip or rotary switches on it for setting the correct motor current?

Jon