THORLABS ITC4000 Series, Руководство по эксплуатации

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6 Appendix
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6.6.2 Status indicators
The ITC4000 has various status indicators in the bottom line.
The meanings are:
Status Indicator Description
KEY
The key switch is in locked position to prevent unauthorized usage of
the laser driver.
INTERL
The interlock is open because of an incorrect wiring or an open external
switch; the laser output can't be switched on.
I LIMIT The laser current is limited because the laser current limit value (adjus-
ted in the
LD Source Setup menu) is reached
P LIMIT
The optical laser power is limited because one of the sensor limits is
reached (photo current limit, voltage limit, or power limit, adjusted in the
LD Source Setup menu).
INHIB. The LD-ENABLE input level is in disable state (low). The effect on the
laser output is dependent on the selected Inhibit input mode in the
LD
Output configuration menu.
OTP The unit is internally overheated. The laser output and the TEC output
are switched off and can be switched on again after a temperature drop
of about 10 degrees
REMOTE
TMC-ID
LOCK
The unit is in remote operation
The unit is in TMC identification (via remote)
The unit is in remote operation and a local operation is locked.
ERROR
Interface error indicator. There are errors stored in the device's error
queue. They can be read using the syst:err? command
PID
The PID auto-tune process is running
CABLE
Indicates an incorrect wiring to the TEC setup
SENSOR A wrong sensor is selected or the sensor lines are broken
T PROT
The current TEC temperature is outside the preselected temperature
window and the temperature protection is active. The effect on the laser
output is depending on the Temp. protection mode setting in the
LD
Output configuration menu.
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