2.21 BNC connector Temp tune
ITC500 / page 52
2.21 BNC connector Temp tune
This BNC connector is the temperature tuning input.
This input allows tuning of the temperature with an external voltage of max. ±10 V
e.g. to lock the temperature to an external process.
Attention
Maximum input voltage of ± 10 V must not be exceeded!
2.22 Using the interlock input
The interlock consists of two pins that have to be connected (closed) in operation.
These are pin 1 and pin 5 of the 9pin D-SUB jack respectively pin 6 and pin 15 of the
15pin HD jack at the rear of the unit.
If the connection is open (Interlock loop open) the laser cannot be switched on.
Furthermore, if the interlock is open a red LED "INTERLOCK" on the front panel of
the ITC5xx will light.
If the interlock open's with the laser on there will be an acoustic signal and the laser
is switched off immediately.
It is possible to connect several switches in series to the pins of the interlock setting
up a closed loop that can be opened by each switch. Thus different protection
functions can be realized simultaneously via the interlock.
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