Kikusui TOS8040, Руководство по эксплуатации, Страница: 42 / 63

40 Panel O perations T O S 8040
5.3.2 Connection to the DUT
Follow the procedure described in “3.3.1 Connecting the T est L eads”
(page 22).
5.3.3 S tarting the T est and M aking Judgments
T o start the test:
Pr ess t he ST A RT swi tc h when t he t es t e r is in t he RE A DY s tat e .
When a PASS judgment is made
When t he t ime se t by t he t ime r h a s el a psed , t he t es t v o l ta ge is shu t o ff , ca using a
PA SS de t e r min at i o n to be r e t u r ned . The PA SS judgmen t is indi cat ed in t h r ee w a ys:
t he PA SS l a mp ligh t s , t he buzze r s o unds , a nd a PA SS sign a l is gene rat ed .
I n t he s ta nd ar d t es t m o de , t he PA SS s tat e is indi cat ed o nly b r iefly ( a pp ro x . 200 ms) ,
a f t e r whi c h t he t es t e r immedi at ely en t e r s t he RE A DY s tat e . T o h o ld t he PA SS s tat e
un t il t he ST OP swi tc h is p r essed , act iv at e t he PA SS HOL D spe c i a l t es t m o de . F or
m or e inf or m at i o n , see “ 8.1.2 PA SS HOL D” (p a ge 5 0 ) .
I f a F AIL judgment is returned
I f a le a k a ge c u rr en t ex c eeding t he uppe r r efe r en c e limi t ( or f a lling bel o w t he l o we r
r efe r en c e limi t ) fl o ws t h ro ugh t he DUT du r ing t es t ing , t he t es t v o l ta ge is shu t o ff ,
ca using a F AIL de t e r min at i o n to be r e t u r ned . The F AIL judgmen t is indi cat ed in
t h r ee w a ys: t he F AIL l a mp ligh t s , t he buzze r s o unds , a nd a F AIL sign a l is gene rat ed .
The F AIL s tat e is held un t il t he ST OP swi tc h is p r essed .
T o stop the test:
T o s to p t es t ing (shu t o ff t he o u t pu t ) f or a ny r e a s o n a f t e r t es t ing begins , p r ess t he
ST OP swi tc h .
T he following test types are also possible.
It is p o ssible to co ndu ct t es t ing in whi c h t he t es t v o l ta ge is g ra du a lly in cr e a sed f ro m
0 V wi t h o u t using t he t ime r. Not e t h at, when se tt ing t es t v o l ta ges o f m or e t h a n
5 0 m A, t es t ing is subje ct to o u t pu t t ime limi tat i o ns . F or m or e inf or m at i o n , see
“F oot n ot e * 1 ” in “ 10.1 Ba si c Spe c ifi cat i o ns” (p a ge 5 3 ) .
R e-application of test voltage (re-testing)
A s l o ng a s t he t es t e r is in a RE A DY s tat e , t es t ing ca n be r epe at ed unde r t he c u rr en t
t es t co ndi t i o ns simply by p r essing t he ST A RT swi tc h .
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Before disconnecting the test leads from the DUT
C o nfi r m t h at high v o l ta ge is n ot being o u t pu t, r efe rr ing to “ 3.3.3 Che c king S a fe t y
a f t e r Shu tt ing o ff t he O u t pu t ” (p a ge 2 5) .