1. Create a new technology object. In the "Dynamic", you can set the maximum speed (30.0), the start/stop speed (2.0) and the acceleration and deceleration time (which can also be calculated).
The calculation method of acceleration is: (maximum rotation speed-start/stop speed)/acceleration time
The calculation method of deceleration is: (maximum speed - start/stop speed) / deceleration time
2. After setting the running speed, the acceleration and deceleration time can be calculated
Right-click the motor "real axis", open the DB editor, modify the acceleration and deceleration in the "configuration parameters of dynamic settings" to 30.0 and 20.0 respectively
The jog speed is given as 30 in the program
3. Can calculate acceleration and deceleration time
Acceleration time = (set speed - start speed) / acceleration = (30.0-2.0) / 30.0 = 0.933s
Deceleration time = (set speed - stop speed) / deceleration = (30.0-2.0) / 20.0 = 1.400s
4. Waveform monitoring through Traces
We monitor the positive jog trigger signal as well as the actual speed of the axis
Observe that the acceleration time can be seen as 0.935s
Observing the deceleration time can be seen as 1.404s
Consistent with our calculated results, this is the algorithm of Siemens PLC acceleration and deceleration time.
You can set the acceleration and deceleration to calculate the time, and you can also set the time to calculate the acceleration and deceleration! !