Schilling Megalight, Manual

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Schilling Marking Systems GmbH
In Grubenäcker 1 DE-78532 Tuttlingen
+49 (0)7461 9472-0 +49 (0)7461 9472-20
info@schilling-marking.de
www.schilling-marking.de
MegaLight Installation
Technical modifications reserved 18 Edition 2004
Description of the main electrical system components
Main switch
A line bipolar main switch (230/110Vac-10A) is contained in a filter with socket with double
fuse holder. It is located on the rear Management Panel and carries out the following functions
at the same time:
• Power disconnection device
• Protection device against overloading and short circuits (up to 1500 A)
• Category 0 emergency device.
The main switch is normally used in turn on and turn off operations.
Input/Output board
The input/output Board IOB communicates with the various elements of the electrical system,
centralizing and sorting operational and management functions. The board IOB receives
voltage directly from main switch and interfaces with:
• the AC/DC service power supplies,
• the radio frequency driver board (RFD), providing the 15Vdc low voltage and the
command signals for driving the Q-switch (not used in this version)
• the current driver board
• the display
• the three color LED
• the hour meter
• the rear panel
• the fans
• the Peltier cells
In addition the IOB board communicates with the DSP2 laser management board and creates
the interface towards the outside.
Current driver board
The current driver board manages and controls the current which supplies the laser diode in a
closed circuit.
Laser diode
The power laser diode LD is contained in the Coupler. It is powered at low voltage (2-4 Vdc)
and medium-high current (up to 50A). Its operating temperature is detected by a temperature
sensor and adjusted so that it stays between 20°C and 30°C. The Laser Diode provides the
pump radiation at a 808nm wavelength, transported in Optical Fibre and necessary to supply
the Resonator (optical pumping).
Peltier cell
The Peltier cell is placed in direct contact with the base of the Coupler unit and is located
exactly below the power laser diode. It is supplied with 24Vdc voltage and transfers the
generated heat from the laser diode to be eliminated by the Dissipater.