Resetting Over-Voltage Protection - Kenwood PS Series Instruction Manual

Regulated dc power supply
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6-21

Resetting Over-Voltage Protection

I f
t h e OVP c i r c u i t
t u r n e d o f f , t h e OUTPUT LED ®
O R e s e t t i n g p r o c e d u r e 1
D e a c t i v a t e
t h e POWER s w i t c h ( D on t h e f r o n t p a n e l ( s w i t c h r e l e a s e d ) .
9
a l l
L E D
s h a s gone o f f , p r e s s
d e p r e s s e d ) .
T h e OVP f u n c t i o n i s r e s e t .
O R e s e t t i n g p r o c e d u r e 2 ( I n c a s e
D D e a c t i v a t e
c o n t r o l
t e r m i n a l
(2) a n d a m m e t e r
v o l t m e t e r
d e c i m a l p o i n t s .
r e s e t .
2 ) T h e n , a c t i v a t e t h e e x t e r n a l s w i t c h a g a i n .
o p e r a t i o n
i n a p p r o x . t h r e e s e c o n d s . ( S e e t h e f i g u r e on t h e f o l l o w i n g page.)
51
f u n c t i o n s w h i l e
goes o f f , and t h e OVP LED ©
t h e e x t e r n a l s w i t c h c o n n e c t e d b e t w e e n p i n s
J i ©
b l o c k
(3) on t h e f r o n t p a n e l
T h e OVP L E D ©
t h e PS S e r i e s i s r u n n i n g ,
OUTPUT LED goes o f f .
OVP LED goes on.
t h e POWER s w i t c h
t h a t t h e main r e l a y i s r e m o t e - c o n t r o l l e d )
on t h e r e a r
p a n e l .
a l s o g o e s o f f , a n d t h e OVP f u n c t i o n i s
T h e PS S e r i e s becomes r e a d y f o r
t h e o u t p u t i s
goes on.
t o a c t i v a t e
i t ( s w i t c h
18 and 19 o f t h e
A l 1 d i g i t s
go o f f , e x c e p t t h e
When
on t h e

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