Functions
8.24 Open-loop and closed-loop control
Control Units CU240S
8-180 Operating Instructions, 11/2006, A5E00766042B AA
8.24.2.4 Closed-loop torque control
Data
P1300, P1500 … P1511 Parameter range:
P1400 … P1780
Warnings: -
Faults: -
Function chart number: FP7200, FP7210, FP7700, FP7710
Description
For sensorless closed-loop speed control SLVC (P1300 = 20) or for closed-loop speed
control with sensor VC (P1300 = 21), it is possible to changeover to closed-loop torque
control (slave motor) using BICO parameter P1501. It is not possible to changeover between
closed-loop speed and torque control if the closed-loop torque control is directly selected
using P1300 = 22 or 23. The torque setpoint and supplementary torque setpoint can be
selected using parameter P1500 and also using BICO parameter P1503 (CI: Torque
setpoint) or P1511 (CI: Supplementary torque setpoint). The supplementary torque acts both
for the closed-loop torque control as well as for the closed-loop speed control (see figure
below). As a result of this feature, a pre-control torque for the speed control can be
implemented using the supplementary torque setpoint.
Note
For safety reasons, it is presently not possible to assign fixed torque setpoints.
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