9
Operation
104/130 ekr CON 100 – Installation and Operating Manual
9.10 Optimizing the Controller Gain
You use this function to set the gain for the different guiding
modes. The controller gain is normally set once during commis-
sioning (see Adjusting the Controller Gain, page 72). If control os-
cillations occur during operation (the guiding device trembles),
the controller gain has to be optimized.
You have to set the gain for each guiding mode separately.
Fig.48: Display of the controller gain
Optimizing the controller gain
›› The material web is pulled in.
›› The guiding device is not in an end position.
1. Select the desired guiding mode (see Selecting the Guiding
Mode, page 96).
2. Press the Automatic key.
The LED of the key will illuminate.
The controller switches to automatic mode.
3. Press the SETUP key.
The set gain is displayed at the bottom edge of the display
using a bar indicator ① and as a numeric value ②.
4. Keep increasing the gain using the right arrow key until control
oscillations occur (the guiding device starts to tremble).
5. Keep reducing the gain using the left arrow key until the
oscillation ceases (stable guiding operation).
If you desire a slower reaction of the guiding, you can reduce
the gain even further.
Pressing both arrow keys at the same time will reset the gain to
a value of 5.0.
6. Press the ENTER key.
ð The gain setting is complete.
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