operation
51
SYNRAD OEM v40 Operator’s Manual Version 4
Initial start-up
Without a UC-2000 Controller
If you have chosen not to use a UC-2000 to control the laser, follow the procedure below to verify the
laser’s functionality. Although a tickle signal is not required, you will need to provide PWM Command
signals to Firestar’s User I/O connector. Refer to User I/O connections in the Technical Reference chapter
for connector pinouts and refer to Controlling laser power in the Technical Reference chapter for Command
signal descriptions.
Danger
serious
personal
injury
This Class IV laser product emits invisible infrared laser radiation in
the 10.6 µm CO
2
wavelength band. Since direct or diuse laser radia-
tion can inict severe corneal injuries, always wear eye protection
when in the same area as an exposed laser beam. Do not allow the
laser beam to contact a person. This product emits an invisible laser
beam that is capable of seriously burning human tissue.
Always be aware of the beam’s path and always use a beam block
while testing.
Note: When performing the initial start-up sequence, you must rst connect the Quick Start Plug or you
must provide the required Remote Interlock and Shutter Open Request signals to the User I/O
connector. See User I/O connections in the Technical Reference chapter for User I/O pinouts and
signal descriptions.
Starting auxiliary equipment
1
Ensure that all personnel in the area are wearing protective eyewear.
2
Place a beam block 24" (61 cm) from the laser aperture to prevent the beam from traveling beyond
the work area.
3
Connect the output of your PWM controller to PWM Input (Pin 9) on the laser’s User I/O connec-
tor and connect the ground or return of the controller to PWM Return (Pin 1).
4
Set your PWM controller to a frequency of 5 kHz at +5 VDC and ensure the controller’s duty cycle
is set to zero percent output (0.0%).
5
On water-cooled systems, turn on the chiller (set between 18 °C–22 °C) and verify it is delivering
1.0 GPM (3.8 lpm) at less than 60 PSI (4.1 bar) of pressure. Examine all cooling connections care-
fully and verify that they do not leak.
Caution
possible
equipment
damage
Inlet cooling water temperature must always be maintained above the
dew point to prevent condensation and water damage to your Firestar
laser.
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