operation
27
Synrad
Series 48Series 48
Series 48Series 48
Series 48 operator’s manual
Initial start-up
Caution
possible
equipment
damage
Inlet cooling water temperature must always be maintained above
the dew point to prevent condensation and water damage to your
laser.
4
Ensure that your PWM controller is set to zero percent output (0.0%).
5
Verify that the laser’s Keyswitch (if equipped) is in the OFF position.
Starting your Series 48 laser
1
If the laser has a Diode Pointer installed, remove its aperture dust cover.
2
Move the Shutter Switch (if equipped) to the Open position.
3
Turn on the DC power supply.
4
Rotate the Keyswitch (if equipped) to the ON position; the PWR LED illuminates. If the Keyswitch
is ON, turn it OFF, then back ON (or cycle the Remote Keyswitch input) to reset the laser.
Note: Each time an OEM laser is powered up or a Keyswitch version is cycled OFF/ON, a five-second
delay occurs between the time that the PWR LED illuminates and the laser is permitted to lase.
5
Verify that the red LASE LED illuminates dimly after approximately five seconds. This indicates
that tickle pulses are being applied to the laser and that it is safe to apply a PWM Command signal.
6
Apply a PWM Command signal (a +5 VDC, 5 kHz square wave of 1 µs to 3 µs duration) to the
laser’s CTRL connector. If operating a 48-5 laser, apply the signal in parallel to both CTRL1 and
CTRL2 connectors.
7
Slowly increase the duty cycle of the signal. The intensity of the laser’s LASE indicator increases in
brightness as the PWM duty cycle increases. The spot where the beam hits the beam block should
also increase in brightness to indicate an increasing power output.
Check your laser’s output power
1
With your PWM signal source set for maximum power output, measure laser output using a laser
power meter (such as SYNRAD’s PW-250 Power Wizard
®
) to verify that output power is consistent
with the power rating for your particular model. Refer to General specifications in the “Technical
Reference” section for output power specifications..
2
Reduce the PWM duty cycle to 0.0%. The LASE indicator on the laser dims (tickle signal only).
3
Move the Shutter Switch (if equipped) to the Closed position.
4
Turn off the DC power supply.
If your Series 48 laser fails to lase, refer to Troubleshooting in the “Maintenance/Troubleshooting” section
for troubleshooting information.
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