Stanford Research Systems LDC500, Руководство по эксплуатации и обслуживанию

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2.4 Factory Default Settings 2 – 19
press the LD [Config] button, and then press [ ] until you reach the
first “LD Cfg: Trip-o
ff
” item.
Specific events can be armed to shut down the LD controller by
setting the “Trip-o
ff
” selection to “Y”; the events will be ignored for
shut-down by selecting “N.”
•
To shut down if the LD current reaches its limit value, set
“Trip-o
ff
at LD Ilim:” to “Y.” Note that for normal operation,
this event is typically left at set to “N,” as the current source
will clamp the output before exceeding Ilim value.
•
To shut down if the photodiode reading (in either
μ
A or mW)
exceeds its limit value in CP mode, set “Trip-o
ff
at CP Plim:”
to “Y.”
•
To shut down if the photodiode reading (in either
μ
A or mW)
exceeds its limit value in CC mode, set “Trip-o
ff
at CC Plim:”
to “Y.”
•
To shut down at any time that the TEC controller is not on
(either not turned on, or tripped o
ff
, or turned o
ff
), set “Trip-o
ff
at TE O
ff
:” to “Y.”
•
To shut down if the temperature goes above T
max
, set “Trip-o
ff
at Tmax:” to “Y.” Note that this condition can operate indepen-
dent of the TEC controller, and even operate if there is
no
TEC
module. However, if enabled, a sensor fault will also cause the
LD driver to trip o
ff
.
•
To shut down if the temperature goes below
T
min
, set “Trip-o
ff
at Tmin:” to “Y.” Again, this condition can operate independent
of the TEC module.
2.4 Factory Default Settings
Instrument settings (but not network configuration or remote inter-
face setup) can be restored to their default settings using the Recall
configuration menu, and recalling configuration “9” (Default). See
section 3.4.1.2 for details.
The LDC500 can be returned to its factory default state by holding
the [Clear
/
Cancel] button while turning the Power key from the “0”
(o
ff
) position to the “1” (on) position. Keep the [Clear
/
Cancel] but-
ton depressed until the reset message appears on the alphanumeric
display.
Note that resetting the instrument to factory defaults will erase all
saved user configurations, as well as any saved network parameters.
The factory defaults are shown below.
LDC500 Series Laser Diode Controllers