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Hi guys, I got my new gecko 320 today and after reading and re-reading the instructions managed to hook it up and have it not work. Here is the rundown. (or skip to the end) power is a computer power supply I am using on the test bench, its attatched per instructions( actually attached last) motor is connected per instructions, black to the "arm+" and red to the "arm-" sounded odd to me but it says that. next is pin 5 the err/rst pin which i tied into pin 7 the positive for the encoder. the encoder positive and negative leads are properly wired (checked pittman motion website for proper encoder lead identification) to the encoder power pins. channel a of my encoder to enc a and b to b i looked thru the documentation that came with my controller software and identified x axis step and direction pins on the printer port and wired them to the step and direction pins the last puzzled me. the comm for the step direction pins. in the documentation it asks for 5v from the step direction source. I wired it to the 5v from the power supply of the computer providing the step direction signal. is this correct? is there a pin on the printer port that supplys 5v from the right place?? I thought that step and direction signals WERE 5v. why does it want 5v positive or is that a typo? anyway the fault light comes on and then off as should, when i rotate the motor more than a little bit, the fault light comes back on untill i reset with the 5\7 connection. if i try to slowly jog the axis its connected to the fault lights after a short time. this tells me, that a) the encoder is working and b) the step and direction are connected and working right. but no matter what i do the motor never moves at all. it doenst hum sing whine or shake, even when i turn the driver on it doesnt twitch at all. anyone encounter this? the motor and encoder are new out of the box and it works fine when directly connected to power so that can be ruled out. I noticed that my driver has 4 sets of jumper terminals inside while there are 3 shown on the documentation and also the test points are not in the same place as illustrated. any connection here between this and my problem? that extra jumper isnt the "magic make the motor work" jumper is it?? |
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