Lia Status Byte; Error Status Byte - Stanford Research Systems SR850 User Manual

Dsp lock-in amplifier
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Remote Programming

LIA STATUS BYTE

The LIA Status bits stay set until cleared by reading or by the

ERROR STATUS BYTE

The Error Status bits stay set until cleared by reading or by the
bit
name
0
INPUT/RESRV
1
FILTR
2
OUTPT
3
UNLK
4
RANGE
5
TC
6
TRIG
7
PLOT
bit
name
0
Prn/Plt Error
1
Backup Error
2
RAM Error
3
Disk Error
4
ROM Error
5
GPIB Error
6
DSP Error
7
Math Error
6-32
usage
Set when an INPUT or RESRV overload is
detected.
Set when a FILTR overload is detected.
Set when an OUTPT overload is detected.
Set when a reference unlock is detected.
Set when the detection frequency switches
ranges (harmonic x ref. frequency decreases
below 199.21 Hz or increases above
203.12 Hz). Time constants above 30 s and
Synchronous filtering are turned off in the upper
frequency range.
Set when the time constant is changed indirect-
ly, either by changing frequency range, dynamic
reserve or filter slope.
Set when unit is triggered. Only if samples or
scans are triggered.
Set when a plot is completed.
CLS command.
usage
Set when an error occurs during printing or
plotting.
Set at power up when the battery backup has
failed.
Set when the RAM Memory test finds an error.
Set when an error occurs during a disk or file
operation.
Set when the ROM Memory test finds an error.
Set when GPIB fast data transfer mode aborted.
Set when the DSP test finds an error.
Set when an internal math error occurs.
CLS command.

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