I NP UT P RO TE C T I ON
The 2 1 5 0/ 2 1 6 0 i npu t t e rm i n a l s h a ve a c i r cu i t wh i c h p r e ve n t s d a m a g e to
t he i n s t r um e n t i f a c ha rg e d capa c i t o r i s c o n n e c t e d t o t h e s e t e rm i na l s .
P r o te c t i on l i m i t s c a n be ca l cu l a te d f rom t h e equa t i on:
VM AX
=
fi
W he r e
v
=
c a pa c i t o r v o l tag e i n v o l t s
C
=
c a pa ci t o r va l u e i n f a r a d s
T h e p r o t e c t i on c i r c u i t a l l ow s a ma x i m um e n e r g y o f 1 j ou l e up t o a
ma x i mum vo l t a g e o f l k V .
Ta b l e 1 - 5 be l ow g i v e s e x amp l e s o f ma x i mum
vol ta g e s f o r va r i ou s capa c i ta n c e va l ue s .
Table
1-5 .
Input Protection Limits
l k V
o
t o 2 u F
3 1SV
20u F
1 0 0V
2 0 0 u F
3 1 V
2 m F
l O Y
2 0 m F
3 V
2 0 0 m F
IV
2 F
Whe n l i m i t s a re e x c ee d e d ( a bove 1 0 0V ) , t h e f u s e o n t h e r e a r p a n e l w i l l
bu r n o u t a n d m u s t b e r e p l a c e d w i t h a O . S A 3 AG F a s t B l ow f u s e . T O
P R E V E N T P O S S I B L E D A MA G E T O T H E I N S T R U M E N T
I
U S E O N L Y T H E P R OP E R
REPLACEMENT F U S E .
1 - 1 5
e l s l i 21 5 0 /21 60 9 / 8 5
Содержание VideoBridge 2150
Страница 24: ...BLANK 1 6 e l s l i 2 1 50 2 1 60 5 8 5...
Страница 222: ...5 3 1 Mo the rboa rd Ca ble Assembly piN 4 9 3 0 2 METRI C A l l D ims in mm 1 14 3 1 _ 215 4 E F TO MOTHE OA Rt 5 4 56...
Страница 230: ...R54 R 1 9 R23 6 TP8 o O NC N N N N a a a a a F i gure 5 5...
Страница 252: ...A t S E C T I ON A A 4 5 0 0 m m 5 rY1 m A...
Страница 307: ...Figure 8 1 General Handler Interface Circuit Assembly P N 47895 B 2 e s i 2150 2160 5 85...
Страница 318: ...DIOII DI Z G O O L 2 _ j_ _ D I04 4 _ _ _ DI05 __ t _ _ DI06t2 DI01 __ _ r _ OI08 r U4 n l r L t TM 9914 Fig...
Страница 330: ...F i gure 8...