Commissioning the
7.5 Setpoint channel
F-TM ServoDrive
68 Equipment Manual, 02/2020, A5E47579503-AA
7.5.1 Reference values
The physical variable speed is transmitted in the drive telegrams as a reference values.
● Speeds are normalized to the reference speed (p2000) in the drive telegram.
Here, p2000 is decisive as the reference value (telegram content = 4000 hex or 4000 0000
hex for double words if the input variable has the value p2000).
Example of the normalization of the speed:
Figure 7-3 Example of normalization of the speed
Note
The speed and torque are specified in the drive telegram as a
percentage of the reference
-200% to 200%.
Therefore, set the reference variables in such a way that the desired maximum value falls
within the value range of the control from
-200% to +200%.
Procedure
1. Configure the reference value in the context of the drive under:
"Parameters" > "Setpoint channel" > "Reference values".
Uncontrolled drive behavior
Note that the specification of reference values in the CPU and the drive must always match.
Otherwise, uncontrolled drive behavior and rotating of the motor might occur. We therefore
recommend that commissioning of the drive and thus specification of the references values
be completed first before you commission the CPU and, for example, a technology object.
7.5.2 Application limits
In the "Parameters" > "Setpoint channel" > "Application values" area, you can configure
limitations for the speed and torque of the drive if required and adapt them to the
requirements of your mechanical system.
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