Dedicated function list
41
3
3
DANCER FEEDBACK SPEED CONTROL
Dancer feedback speed control is a control function to keep the line speed and the dancer roll position constant.
To perform dancer feedback speed control on the winding/unwinding shaft of the system, the line speed and the dancer roll
position can be kept constant in combination with the winding diameter calculation function.
3.1
Dedicated function list
Item
Description
Dancer
feedback
speed control
Control method
PID control, PI control, P control, and PD control can be selected.
Gain switchover by dancer position is available.
Gain switchover by external terminal input is available.
Dancer roll position setting
Set a point with a parameter.
Dancer roll position detection signal
Use an analog terminal for the signal input. (Terminal 1, 2, 4, or 6 is selectable.)
Line speed acceleration/deceleration
function
Available. Three patterns are selectable with external contact signal.
Additional function
Material break detection function
Winding
diameter
compensation
Constant line speed control
Available
Winding diameter calculation
Calculation based on the line speed detection and the motor rotation speed and
calculation based on the material thickness and the number of motor rotations are
selectable.
Actual line speed detection
Pulse train input (A/B phase, single phase) and analog input are selectable.
Reduction ratio setting
Available
Maximum/minimum winding diameter
setting
Available. (Four patterns are selectable with external signal.)
Speed control proportional gain
compensation function
Available. (Straight movement (with three break points) against the winding
diameter can be performed.)
Winding diameter storage
Available
Common
Dedicated input signal
Dancer/tension control selection, Winding diameter compensation selection, PID
gain switchover, PID integral term reset (P control selection), Line speed
acceleration/deceleration selection, Winding diameter selection, Stored winding
diameter clear, Winding/unwinding selection, Two-way operation.
Dedicated output signal
Upper limit, Lower limit, Dancer roll position, Break detection, Initial winding
diameter calculation completion, Target winding diameter achieved, Winding/
unwinding completion
Dedicated monitor
Set point, measured value, deviation, line speed command, roll diameter, actual
line speed, compensation speed, winding length.
Содержание A800 Plus Series
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