Hitachi LM-C300 Series, Руководство пользователя

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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 has 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
switch
The switch that controls the power of laser
electronics. The user must rearm the emergency
button to restores operation. In this case, the Laser
Marker never emits laser. The system must be
rearmed.
Yes Yes
Laser indicator
Ready
Indicates that HITACHI Laser Marker is receiving
power and is ready for laser emissions. The "Ready"
LED lights up when the key switch is turned "On", the
remote key switch is closed when the beam is active.
Yes Yes
Laser radiation
emission indicator
Indicates that HITACHI Laser Marker is emitting laser.
The "Laser" LED lights up when the laser beam is
active.
Yes Yes
Five Second
Delay
HITACHI Laser Marker circuit element disables RF
driver/laser output for five seconds after key-switch is
turned "ON" and the key switch is closed.
Yes Yes
Power failure lock
HITACHI Laser Marker circuit element disables RF
driver/laser output if input power is removed and then
later reapplied (AC power failure or remote interlock
actuation) while the key switch is still closed. Operator
must reset the key switch or remote switch to restore
Laser Marker operation.
Yes Yes
Remote interlock
Rear panel connection.
Disable RF driver /laser output when a remote
interlock on Laser Marker door or panel is opened.
Operator must reset the key switch or remote key
switch to restore Laser Marker operation.
Yes Yes
Overheating
Protection
Circuit element.
The Laser Marker shuts down when the laser
temperature exceeds the safety limits. No No
Warning labels
On the exterior of HITACHI Laser Marker, labels
attached to various external covers to warn the
potential hazards.
Yes Yes
Shutter
The shutter prevents laser emission until the user
deactivates it from the front panel. It prevents laser
output if an alarm occurs (like an open remote
interlock or an open safety interlock).
Yes Yes