INSTALLATION INSTRUCTIONS
L025317 Issue 5 July 2014 2-7
Control Unit
CAUTION: Do not expose the control unit to any vibrations.
The control unit must be installed on a stable base.
The control unit has three internal blow-out fuses.
The operation voltage is 90V to 264V at 47Hz to 63Hz.
Two fuses (F1 and F2) for the input AC power
• F1 for the protected phase and
• F2 for the neutral line.
Fuse F3 protects the neutral line of the safety relay.
Note: The phase line of the safety relay is protected internally by the
laser power supply unit.
The control unit needs at least 80mm free space on all sides for proper
ventilation.
Power supply
The mains supply is provided by a 5m mains cable, which is connected to
the control unit via a four-pole plug. It may be necessary to install a suitable
AC mains plug to the loose end of the cable, connected as follows:
The equipment specifications, listed on the name plate (voltage, frequency,
power consumption) are to be observed under all circumstances. The
correct fusing is to be made external to the laser system
The mains power connection must always be easily accessible during
operation in order to quickly remove the power from the laser system when
required.
The control unit contains the electrical components necessary for
distribution of the correct voltages to the laser head.
The mains power AC line needs to be fused by
• a 16A fuse at 230V operating voltage,
• a 20A at 110V operating voltage.
Use a quick fuse or a circuit beaker characteristic B/C.
Connecting the protective earth of the laser marking system to the
packaging machine earth rail prevents a ground loop.
Green/Yellow Ground/Earth
Black 2 Neutral
Black 1 Live
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