– Programming Manual 23. Gap & Crash Function 153
fixed gain control procedure (with stable and repetitive background noise).
To select, proceed as follows:
highlight the desired field with , display the desired icon with or , and
press to confirm.
Start/Stop gain automatic acquisition
Start gain automatic acquisition (enabled only if the automatic gain control
procedure has been selected).
Stop gain automatic acquisition (the selection of gain acquisition type is
disabled).
CRASH control area
Status of CRASH control
The status of CRASH control is indicated by a LED:
LED lit: CRASH control enabled
LED not lit: CRASH control triggered
23.2.2.
GAP control setting
The GAP cycle can be controlled with the definition of an appropriate ultrasonic limit
value. This limit must be empirically defined according to the characteristics of the
application.
At first the grinding wheel must be in rest position, normally spinning and with the
coolant off. The noise displayed by the bargraph, in this particular condition is the
background noise which is a basic characteristic of the application.
The value of the background noise displayed can be:
fairly stable and repetitive
variable and oscillating
Stable and repetitive background noise
1. Select the fixed gain control procedure.
Scroll bar for gain value adjustment
Key
=
Key
=
Status of CRASH
control
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