Dalsa Piranha 2 Series, Руководство пользователя

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54 Piranha 2 User’s Manual
03-032-00493-14 Teledyne DALSA
PRIN Indicates
H igh Integration
Low Pixel reset
Data Clocking/Output Signals
To valid ate cable integrity, h ave the cam era send ou t a test p attern and verify it is being
p rop erly received . Refer to section D11 Generating Test Patterns for fu rther inform ation.
6.2 Troubleshooting Using the Serial Interface
The follow ing com m an d s can aid in d ebu gging. (The com p lete com m and p rotocol is
d escribed in Ap p end ix B and C.)
Communications
To qu ickly verify serial com m u nications send the help com m and . The
h
com m an d
retu rns the online help m enu . If fu rther p roblem s p ersist, review Ap p end ix C for m ore
inform ation on com m u nications.
Verify Parameters
To verify the cam era p aram eters, send the
gcp
com m an d . See section C6 Cam era
Param eter Screen for a com p lete exp lanation of the cam era p aram eters screen.
Verify Factory Calibrated Settings
To restore the camera’s factory settings and reset the FPN and PRNU co efficients to 0,
send the
rfs
com m an d .
After execu ting this com m an d send the
gcp
com m an d to verify the factory settings.
Verify Timing and Digital Video Path
Use the test p attern featu re to verify the p rop er tim ing an d connection s betw een the
cam era and th e fram e grabber and verify the p rop er ou tp u t along the d igital p rocessin g
chain. See below .
Generating Test Patterns
The cam era can generate a test p attern to aid in system d ebu gging. Use the com m and
svm 2
to activate the test p attern. The test p attern is a ram p from 0 to 255DN , then starts
at 0 again. Use the test p attern to verify the p rop er tim ing and con nections betw een the
cam era and the fram e grabber.
•
N o test pattern or bad test pattern
— May indicate a problem with the camera (e.g.
m issing bit) or a system setu p p roblem (e.g. fram e grabber or tim ing). Verify the
p resen ce of the LVAL an d STROBE sign als.
•
Test pattern successful
— Run the
svm 0
com m and to d eactivate vid eo correction.
Then ru n the
gl
com m and u nd er both d ark and light con d itions to retrieve a line of
raw vid eo (n o d igital p rocessing). Und er d ark cond itions, w ith factory settings, the
analog offset valu e shou ld be w ithin the sp ecified range (refe r to the u ser
sp ecifications). Ad ju st the an alog offset u sing the
cao
or
sao
com m and s. Und er
light cond ition s, you shou ld receive a valu e.
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