Siemens SIMATIC S7-200 System Manual page 273

Configuring the PTO Output
To configure one of the built in outputs for PTO operation use the Position Control wizard. To start
the Position Control wizard, either click the Tools icon in the navigation bar and then double-click
the Position Control Wizard icon, or select the Tools> Position Control Wizard menu command.
1. Select the option to configure the onboard PTO/PWM operation for the S7-200 PLC.
2. Choose the output Q0.0 or Q0.1 that you wish to configure as a PTO output.
3. Select Linear Pulse Train Output (PTO) from the drop down dialog box.
4. If you wish to monitor the number of pulses generated by the PTO, select the use High
Speed Counter by clicking the check box.
5. Enter the MAX_SPEED and the SS_SPEED in the designated edit boxes.
6. Enter the acceleration and deceleration times in the designated edit boxes.
7. In the motion profile definition screen, click the new profile button to enable defining the
profile. Choose the desired mode of operation.
For a relative position profile:
Fill in the target speed and the number of pulses. You may then click the plot step
button to see a graphical representation of the move.
If more than one step is needed, click the new step button and fill in the step
information as required.
For a single speed, continuous rotation:
Enter the single speed value in the edit box.
If you wish to terminate the single speed, continuous rotation move, click the Program
a Subroutine check box and and enter the number of pulses to move after the Stop
event.
8. Define as many profiles and steps as you need to perform the desired movement
9. Then select Finish to complete the wizard.
Open Loop Motion Control with the S7-200 Chapter 9
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