ABB
ABB DC Drives
DCS550 Technical catalog e a
| 3ADW000378R0101
9
Winder Macros
Winder Assistant
Winder function required?
Integrated winder functions
The DCS550 is equipped with a winder function featuring
pre-defined macros for the four most commonly used winder
types:
Velocity control
Calculates the diameter and rotation speed setpoint value.
The diameter is used to adjust the speed controller to all
winding sizes. There is no tension control. All other macros
are included in this basic structure.
Indirect tension control
Controls the tension with the help of preset charts for friction
and moment of inertia (open loop).
This structure provides a very robust control behavior be-
cause no physical tension measurement is required.
Direct tension control
Closed loop for physical value of tension
The tension is measured with a load cell and transferred to
the drive as an analog actual value. The DCS550 is equipped
with a free PID-controller that can be integrated into the con-
trol loop with the “Tension Control” macro.
Dancer control
Controls the tension with the weight of the dancer roll
(closed loop).
The dancer has to be kept in the right position with additional
speed set values. The PID-controller of the DCS550 can also
control the positioning of the dancer roll. The position of the
dancer roll is transmitted to the controller as an analog actual
value.
Commissioning assistant
For an easy winder set-up, all different winder types can be
configured and commissioned using a graphical assistant.
The assistant is part of DriveWindows Light PC-tool.
The rating for friction and inertia can be determined by auto
tuning.
Example: direct tension control (closed loop)
F
T
D
F
T
D