Siemens SIMODRIVE 611U

M

Thread Starter

Melvin

I trying to interface a 611u 2-axis positioning/optical encoder to an counter. The simulated TTL signal that I am getting from the drive is quite bad. When the pulse is translating from high to low or low to high there are additional pulses at transition. This seems to occur at very low speeds (10 pulses/rev). Has anyone encountered this problem and any solutions ?
 
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