need help with a stepper driver

Question

this is a 2-phase stepper motor drive by a chinese company called SCKJMOTOR with the model number SC2680MH

it can be found here in this link http://sckjmotor.com/prodetail.asp?cid=3&scid=6&id=67

i am not much experienced with electronics so i cant figure out how to use it with out an instruction manual and sadly the manual is in chinese

so i thought maybe i can find some help here on element 14

you can see in the pictures the driver has lots off ports on it they go like + , PU, + , DR, + , MF, + , TM, +V, -V, +A, -A, +B, -B

here i think the " + " ports might be a 5V input so i guess i must give 5V in them, but why are there so many???? why do i need to give the driver 5V at 4 different ports ???

the port " PU " might be pules, i am just guessing, it might be to control the speed of the motor

the port " DR " maybe direction like forward-reverse, another guess

the port " MF " i have no idea, cant even guess this one

the ports " +V " and " -V" the driver says on the side " DC24-80V " so i guess i might have to give it some thing between 24V to 80V

the posts +A, -A, +B, -B are clear i guess, i just have to find the right coil pairs of the stepper motor and connect it to these ports

there is also some thing called a division setting table and it gives me values 1, 2, 4, 8, 16, 32, 64 and 128 , i think this must be some thing related to the step divisions of the stepper motor, need some help with that as well

please try to help me out with this, i am just starting to take interset in electronice and dont have any experience in this at all, just have some basic electronic knowledge since i am doing engineering and its my 1st year

thank you

kas.lewis · Answer

Have you tried Google Translate? I have it built into my browser so one click and its all in english.... Ahh OK I see what you mean now, I gat all the slaes stuff in english but since they have embeded the data sheet as a picture Google won't translate that

kas.lewis · Answer

OK, just asked someone here and this is what I could make out. MF - motor output signal or some form of feedback (Does not need to be connected) V+ - DC Power V- - DC Power A - Stepper motor phase A B - Stepper motor phase B TM - Zero point (we think) Im - Current in coil PU - Stepper pulse (D2-on step on rising edge, D2-off step on falling egde) we think DR - Direction D2-off direction control signal, D2-on reverse pulse Also in teh data sheet were it says asomething then 0 - 0.5V that is the low required, 4-5V that is the high required, 2.5us is the pulse width. The PU/DR + take 5V and if >5V is applied a current limiter is needed. I think that should get you somewhat started on the understanding what is what but to get it aculy working it seems liek there is a controller that plugs into PU- and DR- as can be seen in teh picture n ttop right corner of teh data sheet. (sorry about spelling, writing this quickly while at work)

kas.lewis · Answer

I would input 5V to PU/DR+ and then connect the other connections as described (or how you understand them to be connected) and then just try diffrent things. I might suggest if you can get an O-scope or use one at the university that would give you better info then connecting to a motor at this point. And you do NOT need to connect MF to anything for now.