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B-4 Control System MN1901
B.1.4 Torque amplifier
Setting CONFIG to _cfTORQUE configures the MintDrive
II
as a torque amplifier , as shown in
Figure 57. Here, a torque reference obtained from a specified source (e.g. a Mint program, the
Mint WorkBench Command window, the analog demand input, or Fieldbus) provides targets
for a torque profiler . The profiler generates a torque demand signal that smoothly changes
between successive torque targets. This torque demand signal is fed into the torque
controller, and the remaining system operates as described in section B.1.1.
Torque
controller
Power stage
+ motor
Torque
demand
PWM
Torque
profiler
Torque
reference
Measured c urr ent
Figure 57 - Control structure in Torque (_cfTorque) configuration
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