2.18 Laser and TEC current ON/OFF
ITC500 / page 50
2.18 Laser and TEC current ON/OFF
The laser current and/or the TEC current can be switched on by pressing the button
ON
in the corresponding
ADJUST
field. When the ITC5xx is switched on with the
mains switch, the currents are always OFF to prevent the laser to be activated
unintentionally.
The laser current cannot be switched on if:
•
the interlock loop is not closed
•
the ITC5xx is overheated (display OTP)
•
no laser has been connected or the wiring to the laser is interrupted (display LD
OPEN when trying to switch on)
•
the temperature window protection is activated and the temperature is outside the
window
(Please refer to chapter 2.12, “Temperature window protection“ on page 40)
The TEC current cannot be switched on if:
•
no or a wrong temperature sensor is connected
•
the ITC5xx is overheated (display OTP)
Attention
Before switching on the laser or TEC current first set the appropriate
current limit I
LD LIM
and I
TEC LIM
for the connected devices with a
screwdriver.
Summary of Contents for ITC502
Page 2: ...Version 2 16 Date 25 07 2006 Copyright 2006 Thorlabs ...
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