1.5. FEATURES OF CO2 SYSTEMS
Element
Description
Required
by CDRH
Required by
EN60825-1
Protective
housing
Laser tube
covers
Yes
Yes
Safety
Interlock
An interlock connected to the laser tube cover
disconnects the laser power and closes the
shutter
to block the laser beam if the laser tube cover is
removed.
Safety Interlock Failure.
The interlock is designed so that if there is a failure
it will activate as if the cover gas had been
removed.
Yes
Yes
Key switch
On/Off key switch controls power to laser
electronics.
Key cannot be removed from switch in the “On”
position. When no key is inserted or it is in the “Off”
position, the laser does not work.
Yes
Yes
Emergency
stop button
The switch that controls the power of laser
electronics. The user must rearm the emergency
button to restores operation. In this case, the laser
system never emits laser. The system must be
rearmed.
Yes
Yes
Laser
indicator
Ready
Indicates that HITACHI laser marking system is
receiving power and is ready for laser emissions.
The “Ready” LED lights up when the key switch it
turned “On”, the remote key switch is closed beam
is active
Yes
Yes
1-15 •FEATURES OF CO2 SYSTEMS
