{HEAD ~ The flux sensors} generate {TAIL ~ signals} to indicate step movement and direction, and a digital comparator compares the contents of an up/down counter with the contents of a step command counter 
generate
{ HEAD ~ The flux sensors } generate { TAIL ~ signals } to indicate step movement and direction , and a digital comparator compares the contents of an up / down counter with the contents of a step command counter
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH