Operating Manual CMGZ433
24
9.10
Setup of internal pilot control
The internal pilot control enables to evaluate the actual line speed. This operation mode is
suitable if the line speed signal is provided in the machine. The reel diameter is then
calculated internally from the proportion between line speed and actual output value.
Therefore a separate distance sensor is not required.
During operation, a drive output adapted to the reel diameter is continuously calculated
(pilot control signal). In addition, the PI resp. PID control parameters are dynamically
adapted to the reel diameter continuously. Therefore the controller now is only
responsible for the non-synchronous part. This will increase controlling stability.
Notice
The internal pilot control is only suitable with a speed controlled drive.Using a torque
controlled drive the external pilot control has to be used.
(To be developped – ask FMS customer service)
9.11
Tension reduction
If the end of the reel should be wound
smoother than the center of the reel, a
tension reduction can be parametrized.
The characteristic curve can be chosen as
a linear, square or square root function
(fig. 18). But, the tension reduction is
only active if the pilot control is also
active, that means the actual diameter has
to be calculated internal or external.
The tension reduction is parametrized as
follows:
•
Activate pilot control (ref. to „9.9 Setup of external pilot control“ or „9.10 Setup of
internal pilot control“)
•
Set parameter
Tension reduction
to required curve (fig. 18) (ref. to „11.
Parametrization“)
•
Set parameter
Reduction factor
to required value (ref. to „11. Parametrization“)
•
Store diameter of the empty reel (Dmin) to parameter
Center diameter
(ref. to
„11. Parametrization“)
•
Store diameter of the fully wound reel (Dmax) to parameter
Max. diameter
(ref. to
„11. Parametrization“)
fig. 18: Characteristic curve of the
tension reduction
C433007e
Summary of Contents for CMGZ433 Series
Page 45: ...Operating Manual CMGZ433 45...
