Siemens SIMATIC S7-1200 Function Manual page 136

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Using PID_3Step

5.2 PID_3Step V2

The actuator is moved in the selected direction. Time measurement will start once the

actuator has reached the first endstop and will end when the actuator reaches this endstop

for the second time. The motor transition time is equal to the time measured divided by two.

The progress and status of transition time measurement are displayed. The transition time

measured is saved in the instance data block on the CPU and displayed in the "Measured

transition time" field. When the transition time measurement is ended and

ActivateRecoverMode = TRUE, PID_3Step switches to the operating mode from which the

transition time measurement was started. If the transition time measurement is ended and

ActivateRecoverMode = FALSE, PID_3Step changes to "Inactive" mode.

Cancelling transition time measurement

PID_3Step switches to "Inactive" mode if you cancel transition time measurement by

pressing the Stop button.

Function Manual, 03/2017, A5E35300227-AC

Simatic s7-1500