Manual
Double Sheet Control System R1000 series L20
with integrated fieldbus interface
System description
B0063191 / 1.3
14
ROLAND ELECTRONIC GmbH · Otto-Maurer-Str. 17 · DE 75210 Keltern · Phone +49 (0)7236-9392-0 · Fax +49 (0)7236-9392-33
Fig. 5: Deviations for LAS200
3.1.2 Planning information for calibration
If the values Delta Ax cannot be achieved, a regular calibration may be helpful.
Ideally, a gauge block is provided in mechanics. This can be done via a pneumatic cylinder and is
then automated via PLC control.
3.1.3 Planning information for air blow-off
The operation of the system in ambience containing oils, as it occurs at press lines in the
immediate vicinity of oiling is generally possible if following is respected:
1.
The air blow-off of the sensors is used.
2.
The system test of the L20-3-XX-S (only sensors) is accessed cyclical via PLC.
3.
The sensors are well accessible for cleaning.
Normally the air blow-off is sufficient to allow reliable operation in vicinity of oiling. However, failure
of air blow-off, can cause serious contamination. This requires the cleaning of the sensor optics.
Therefore, in any case, the safe access to the sensors must be ensured.
3.2
Control unit
The L20 is based on the product platform R1000.
Major features of the control unit:
•
Programmable for 255 different sheet thicknesses / types of sheets
•
Fieldbus interface for the control, operation and data exchange with the PLC
•
Calibration of the measuring point with a calibration sheet
•
Digital display of sheet thickness and operating parameters
•
Monitoring of over gauge and under gauge limits
•
Monitoring of operating voltage and cable breakage
•
Optocoupler for direct I/O control via the PLC for fast measurement operations
•
Software firmware update
•
Data backup via fieldbus interface or USB interface
LAS200
Del
ta
A
x
[mm]
D
min
[mm]
LAS200
0,9
0,8
0,7
0,6
0,5
0,4
0,3
0,2
0,1
0
0
1
2 3 4 5 6
