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Liquid Light Guide Adapter with Shutter
Chapter 4: Setup and Operation
Rev A, September 8,, 2016
Page 11
4.7. Default to On
The default to on setting allows the SLSLLG2 to automatically power ON when DC
is applied; for users that require auto power ON when DC is applied without
pressing the POWER button. To enter or exit this setting, follow the steps below:
1. Connect the DC power supply.
2. Press and hold the Enable button; then press and hold the Power button
simultaneously for (1 second).
3. Both the Power and Enable Led will light.
4. Release both the Power and Enable buttons.
5. The Power and Enable LEDs will remain on for >3 seconds.
6. The controller will now reboot and power on (Power LED on).
Note, when set to Default to On, the POWER button functions normally. Older units
may not have the Default to On feature. Please contact Thorlabs Tech Support if
you believe your unit may need to be updated to include this feature.
4.8. Interlock
Output
An interlock output is provided. In the event of a failure, the interlock circuit will trip
and the contacts will open. The interlock uses contacts to represent the state of
operation.
The contacts are set NO (Normally Open). If the contacts are NO, the power is
OFF and DC is disconnected. In a normal operating condition the contacts will be
closed where the feedback monitor does not detect any error.
There are three different error conditions where the contacts would be in an open
state. These error conditions would result when:
The shutter is not changing state with reference to its drive signal, such
as a jammed blade.
An over temperature condition has been detected.
The maximum drive frequency of 15 Hz is exceeded.
All error conditions result in the Status LED changing to red.
Specification of Interlock Contacts
Max Operating voltage
12 VDC
Max Current
1 A
Mating Connector
2.5 mm Mono Phono Jack
Содержание SLSLLG2
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