Operating Manual BKS601C
27
8.6
Operation with Linear Units
Start of Detection
•
If an edge or line is found with the preceding settings, the control LED on the back
side of the sensor shines (Exception: The ultrasonic sensor US01 has no LED).
•
If no edge or line is found, a detection run can be started with the special function
Detection
(
Fig. 16
) or via the digital input. The linear units will then start searching
for the material edge.
•
If for all that no edge or line was found, the sensor must be aligned more precisely
to the material edge. If the problem persists it may have one of the following
reasons:
– Ultrasonic sensor US01: The material web is sound transmissive.
– Optical sensor AZS01: The material web is too much light transmissive.
– Digital line sensor DLS: The material reflects or the focus distance is wrongly
adjusted.
•
If automatic mode is started without the sensor having found an edge, the control
unit automatically starts detecting.
Automatic Operation (without reference point on the machine frame)
•
Start automatic operation with special the function
Automatic
(ref. to
Fig. 16
) or via
digital input. The control LED
Auto
lights up. Reference position is taken from the
actual web position (
Fig. 19
). The controller starts to guide the web to the reference
position and to hold it there.
•
The reference position can be adjusted during automatic operation with the special
function
Reference
(
Fig. 16
) or using the digital inputs (incremental step 0.1mm).
The sensors will follow the web edge automatically.
•
Quit automatic mode by calling the special function
Automatic
again (
Fig. 16
). The
control LED
Auto
goes off.
Fig. 19: Calculation of the reference value during automatic start using linear
units (without reference point on the machine frame)
K601009e
