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Success. I put two SN75173 on a small perf board. I ran each axis +-STEP +-DIR signals from DDCSV3.1 to differential inputs.
This provided a +5 to to ground output that is compliant with the Gecko drives.
This board runs on a separate 5v supply. 5v from this supply also went out to each Gecko driver board on the machine (pre-existing wiring I did not want to change). The supply shares the same ground COM- for I/O on the DDCS.
成功。 我在一个小的穿孔板上放了两个SN75173。 我将每个轴的+ -STEP + -DIR信号从DDCSV3.1运行到差分输入。
这提供了与Gecko驱动器兼容的+5接地输出。
该开发板在单独的5v电源上运行。 来自此电源的5v电压也传到了机器上的每个Gecko驱动器板上(我不想更改的已有接线)。 电源在DDCS上共享用于I / O的相同地面COM-。 |
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