12.12.3 PMSM SVC control
SVC Control loop configuration
Code Name Setting range Default Min. Attri.
C3.00 Speed loop proportional gain 0.00...655.35 DOM 0.01 Run
C3.01 Speed loop integral time 0.01...655.35 ms DOM 0.01 Run
C3.05 Current loop proportional gain 0.1...1,000.0 DOM 0.1 Run
C3.06 Current loop integral time 0.01...655.35 ms DOM 0.01 Run
C3.20 Low speed torque limitation 1…200 % 100 1 Stop
Torque Limit in Speed Control Mode
When the frequency converter is running in speed control mode, the frequency
converter change with the frequency set value, and the output torque changes
with the load.
Code Name Setting range Default Min. Attri.
C3.44 Torque positive limit 0.0…200.0 % 150.0 0.1 Run
C3.45 Torque negative limit 0.0…200.0 % 150.0 0.1 Run
C3.44 'Torque positive limit' and C3.45 'Torque negative limit' are used to limit
the output torque in speed control mode. The former parameter is used when
the frequency converter is in forward running, while the latter parameter is used
when it is in reverse running.
Initial Position Checking
Initial rotor position checking is automatically checking the rotor position before
the motor startup. The advantage of this function is to prevent the reverse run-
ning at the startup, the disadvantage is extended startup time with moderate
amount of noises.
Code
Name Setting range Default Min. Attri.
C3.50 Initial angle detection current 50…150 % 80 1 Stop
C3.51 Initial angle detection mode 0...2 2 – Stop
C3.50 is to set the current value to be used for checking the rotor initial posi-
tion. The smaller the current, the smaller noise generation over the time of
checking. However current input too small may decrease the accuracy of the
checking result.
C3.51 is to set initial position angle checking mode.
● C3.51=0: No detection
Possible to have the reverse running at the startup.
● C3.51=1: Detection when first power on
EFC x610 Series
Bosch Rexroth AG
Functions and Parameters
DOK-RCON03-EFC-X610***-IT05-EN-P
233/389
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