6. Description of Parameters
- 166 -
6
6.8 Process Control
This section introduces three commonly used process control functions, the wobble function, fixed
length and counting.
6.8.1 The Wobble Function
7KHZREEOHIXQFWLRQLVDSSOLFDEOHWRLQGXVWULHVVXFKDVWH[WLOHDQGFKHPLFDO¿EHUDQGZLQGLQJ
and unwinding applications. It indicates output frequency wobbles up and down with frequency
reference as center.
Figure 6-46 Application of the wobble function
The winding motor
rotates at uniform linear
speed.
Reciprocating
mechanism
Set wobble function related parameters.
With
wobble
function
Without
wobble
function
Pendulum
motor
f
t
Fb-01
Fb-02
Fb-03
Fb-04
Function Code
Parameter Name
Wobble amplitude
time coefficient
Triangular wave rising
Wobble cycle
Wobble step
7KHWUDFHRIUXQQLQJIUHTXHQF\DWWLPHD[LVLVVKRZQLQWKHIROORZLQJ¿JXUH
Figure 6-47 The wobble function schematic diagram
Time (t)
Output
frequency (Hz)
Wobble frequency
upper limit
Frequency
reference Fset
Wobble frequency
lower limit
Wobble
cycle
Triangular
fallling time
Decelerate
Wobble amplitude
Aw = Fset x Fb-01
+Aw
Textile wobble
step
= Aw x Fb-02
-Aw
Triangular
rising time
RUN
command
Accelerate
Summary of Contents for MD290 Series
Page 1: ......
Page 79: ...3 Electrical Installation 78 3 ...
Page 80: ...4 Operating Panel Keypad Display 4 1 Introduction 80 4 2 Inbuilt LED Operating Panel 80 ...
Page 92: ...5 Quick Setup 5 1 Get Familiar With Operating Panel 92 5 2 Setup Flowchart 93 ...
Page 227: ...7 Interfaces and Communication 226 7 ...
Page 285: ...10 Troubleshooting 284 11 ...
Page 349: ......
Page 350: ......