Technology instructions
10.3 Motion control
S7-1200 Programmable controller
660 System Manual, V4.2, 09/2016, A5E02486680-AK
● PTO (pulse and direction (direction de-selected)): If you de-select the direction output in a
PTO (pulse and direction (direction de-selected)), then output (P0) controls the pulsing.
Output P1 is not used and is available for other program uses. Only positive motion
commands are accepted by the CPU in this mode. Motion control restricts you from
making illegal negative configurations when you select this mode. You can save an
output if your motion application is in one direction only. Single phase (one output) is
shown in the figure below (assuming positive polarity):
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