Siemens SIMATIC S7-1500 Function Manual page 39

Configuring isochronous mode
5.5 Configuring isochronous mode for a Motion Control application
11.Assign the drive V90 to the positioning axis.
Figure 5-10 Assigning the drive to the positioning axis
Results:
– As soon as an axis was created for the CPU, the MC Servo OB is automatically
– The drive is automatically assigned to the MC Servo OB and the TPA OB Servo
– The drive is connected as an isochronous drive.
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created and set synchronous to the PROFINET IO.
process image partition when the axis is created.
Isochronous mode
Function Manual, 10/2018, A5E43884988-AA