Parker EME
Setting up Compax3
192-120114 N5 C3I22T11 June 2008 207
Limitation of hte setpoint velocity
Limitation of the setpoint velocity in the control signal sector of the position loop:
This limitation value is calculated from the maximum mechanical velocity of the
motor and the set value in the configuration in % of the nominal velocity. The smal-
ler of the two values is used for the limitation.
Example
MotorManager
maximum mechanical velocity of the motor: n
max
=3100rpm
Rated speed of the motor: n
N
=2500rpm
C3 ServoManager
Maximum Operating Speed: n
bmax
=200% of n
N
=> 5000rpm
Velocity limitation value =
MIN(n
max
, n
bmax
*n
N
/100)=
3100rpm
Limitation of the setpoint current
Limitation of the setpoint current in the control signal sector of the velocity loop:
This limitation value is calculated from the device peak current, the pulse current of
the motor and the set value in the configuration in % of the nominal current. The
smaller of the three values is used for the current limitation.
Example
Device
C3 S063 V2 F10 T30 M00 device peak current: I
Gmax
=12.6A
rms
MotorManager
Rated current of the motor: I
N
=5.5Arms
Peak Current: I
imp
=300 %I
N
=> 16.5A
rms
C3 ServoManager
Current (Torque) Limit: I
bmax
=200% of I
N
=> 11A
rms
Current limitation value =
MIN(I
Gmax
, I
imp
*I
N
/100, Ibmax*I
N
/100)=
11A
eff
Limitation of the control voltage
Limitation of the control voltage in the control signal sector of the current loop:
This limitation is fixed and cannot be influenced by the user. The limitation value
depends on the DC voltage of the device.
In the event of highly dynamic motion cycles it is necessary to make sure not to
enter the control signal limitation (or, if so only for a very short time) as the drive is
then not in the position to follow the set dynamics due to the slow drive physics and
the limited control signal range.
Please note!
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