CTH200 Series PLC User Manual
direction), and Z in the left position along the left side of the origin switch signal, inside of the
effective range of the origin switch signal.
When the machine is within the origin switch range (mechanical motion trajectory 2), the origin
can be found by directly running in the negative direction. When the machine is outside of the
origin switch (mechanical motion track 1 and 3), the machine runs in a constant direction
(negative direction) toward the limit switch. According to the detected sequence of the origin
switch and limit switch, find the movement track and the origin.
E.5 Examples
Case 1) Using uniaxial relative motion instruction
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