Primes FocusMonitor-W User manual
Short Start Guide
Revision 02/2016 EN
PRIMES
FocusMonitor-W
FM-W
Additional Documentation to the Operating Manual
FocusMonitor/BeamMonitor
Translation of the Original Instructions
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Contents
1 ABOUT THIS DOCUMENTATION 4
2 DISTINGUISHING FEATURES IN COMPARISON WITH THE STANDARD DEVICE 4
3 CONNECTIONS 4
4 DISPLAYS 5
5 ADAPT DEVICE 5
6 INFORMATION ON THE OPERATION OF THE ABSORBER 5
7 MOUNTING/DISMOUNTING 6
7.1 Inserting/Exchanging the Measuring Tip..................................................................................6
7.1 Exchanging the Detector..........................................................................................................8
7.2 Setting the Measurement Sensitivity of the Detect ................................................................11
7.3 Installation Position ................................................................................................................11
7.4 Alignment ...............................................................................................................................11
8 BASIC SETTINGS OF THE LASERDIAGNOSTICSSOFTWARE (LDS) 12
8.1 Measuring Environment .........................................................................................................12
8.2 Sensor parameters.................................................................................................................12
8.3 Beamfind Settings..................................................................................................................13
9 MEASURING 14
9.1 Manual Caustic Measurement ...............................................................................................14
9.2 Caustic Display ......................................................................................................................16
10 TECHNICAL DATA 17
11 DIMENSIONS 18
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1 About this Documentation
This documentation describes the special version „FocusMonitor-W“ of the PRIMES measuring de-
vice “FocusMonitor” and presents the differences. It supplements the standard operating manual of the
FocusMonitor.
IMPORTANT
Please pay special attention to the safety instructions given in the standard operating manual of
the FocusMonitor.
2 Distinguishing Features in Comparison with the Standard Device
• The FocusMonitor-W does not have an integrated z-axis. For the measurement the focus is moved along
the axis by the system. Information regarding the z-position can either be entered manually via the set-
tings dialogue (measurement >> single measurement) in the LaserDiagnosticsSoftware or loaded from
a settings file.
• An absorber is integrated in the measuring device (power, max. 1000 Watts)
• The maximum energy per measurement is 90 kJ (max. irradiation time=90 s at 1000 Watt)
• The measuring device does not have a protective gas connection
• Direct connection to the PC via RS232 interface
3 Connections
RS 232
24 V
Offset: 10,6 mm
Power
Data
Send
Trigger
x+
-
+
yFM-W
FocusMonitor-W
LED-Display
RS232 Bus
Power Supply Connection
Fig. 3.1: Connections of the FMW
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4 Displays
Designation Color Meaning
Power Red Voltage (24 V)
Data Green Devices send data on the bus
Send Red PC sends data on the bus
Trigger Yellow Trigger signal (only for maintenance purposes)
5 Adapt Device
Depending on the laser type the corresponding measuring tip and a suitable detector have to be used. The
NIR detector is included ex works; the measuring tip has to be mounted by the customer.
CO2Laser YAG Laser
Detector Pyro detector, 2 measurement ranges NIR Detector, 2 Ranges
Measuring Tip HP-CO2HighDivYAG
Tab. 5.1: Variety of measurement tips and detectors
i
For the CO2laser measuremen the current FMW works with both the DFCL- and the new DFCM
detector (from November 2011). This requires a selection of the respective detector type in the
sensor parameter window of the LaserDiagnosticsSoftware.
6 Information on the Operation of the Absorber
The high power absorber can absorb up to 90 kJ (1000 W · 90 s).
NOTICE
Danger of damage due to overheating
The absorber is equipped with an alarm which signals overheating. It goes off as soon as
the housing of the absorber reaches a temperature of 60 °C.
In case of an alarm, the laser has to be turned off immediately to ensure the absorber can
cool down!
NOTICE
Danger of burning
Due to the laser beam the surface of the absorber can become very hot.
The absorber must not be touched during or directly after the measurement!
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7 Mounting/Dismounting
7.1 Inserting/Exchanging the Measuring Tip
There are different measurement tips available for different wavelengths (see „Tab. 5.1: Variety of measure-
ment tips and detectors“ on page 5).
NOTICE
Danger of damaging the measuring tip
The small drill hole in the measuring tip can be blocked easily by dirt particles or by
touching it with bare hands.
When mounting/dismounting the tip, please wear powder-free latex gloves and ensure a
dirt- and dust-free environment.
1. Turn off the supply voltage.
2. Turn the drive wheel (see Fig. 7.1) clockwise until the disc extends approx. 15 mm into the measuring
window in a positive y-direction.
Drive Wheel
Measuring Tip Retainer
Fig. 7.1: Moving the disc into the measuring window
3. Turn the disc until the measuring tip retainer becomes visible in the opening of the housing.
4. Remove the fastening screws (Torx T8) as well as the retaining plate.
5. Carefully insert the new measuring tip in the disc (caution, the entrance aperture is located on the arched
side of the tip, see Fig. 7.2).
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Entrance Aperture
Fig. 7.2: Entrance aperture (pinhole) in the measuring tip.
Fig. 7.3: Inserting the measuring tip
6. Insert the retaining plate in the disc with the guidance groove pointing upwards and an angle of 45
degrees and press it downwards into the opening (see Fig. 7.4).
Fig. 7.4: Inserting the retaining plate
7. Insert the screws and fasten them hand-tight.
8. Move the measuring tip out of the measuring window to ensure it is protected.
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i
When turning the supply voltage back on, the measuring head automatically moves back into its
standby position.
7.1 Exchanging the Detector
The NIR detector is the standard detector of the FocusMonitor-W. For measurements with a CO2laser the
detector has to be replaced by a CO2detector.
NOTICE
Danger of damage for the detector sensor
The detector sensor must not be damaged and has to be protected from pollution.
Do not touch the detector sensor with your fingers and do not put it down on the sensor
surface.
i
Only use insulating plastic screws to fasten the detector to prevent noise signals. Do not forget
the foam rubber plate, otherwise the disc may be mechanically blocked by the screws.
Mounting sequence:
1. Turn off the supply voltage
2. Turn the drive wheel anti-clockwise as long as
possible. Now the detector is in its dismounting
position.
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3. Carefully remove the two plugs from the detec-
tor, for example by means of long nose pliers.
4. Remove the fastening screws on both sides
of the bottom plate (please mind that the
screws have different lengths).
5. Tilt the housing backwards.
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6. Opened FMW
7. Remove the plastic retaining screws of the
detector with the short screw driver (included
in the scope of delivery) and carefully take the
detector out of the housing.
8. Build in the new detector in reversed order.
Make sure you do not forget the foam rubber
spacer!
Attention!
If the screws are tightened too firmly, they might
block the rotary disc! Only tighten the screws hand-
tight. The foam rubber spacer may not be com-
pressed by more than 50 % of its original thickness! Detector
x
x
2
Max.
Before
After
Foam Rubber Spacer
This manual suits for next models
1
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