Siemens 100-8D Technical Manual page 69

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T h e c a b l e s a r e c o n n e c t e d d i r e c t l y to d i s k d r i v e c o n n e c t o r s a s s h o w n In F i g u r e 4 - 1 ,
a n d a r e i d e n t i f i e d a s f o l l o w s :
J 3 , I n t e r f a c e S i g n a l s ( I n p u t C o m m a n d s a n d W r i t e D a t a , O u t p u t S t a t u s a n d
R e a d D a t a )
J 2 , D C P o w e r ( E l e c t r o n i c s a n d S t e p p e r M o t o r )
J l , A C P o w e r ( S p i n d l e D r i v e M o t o r )
F a b r i c a t e a l l c a b l e s u s i n g r e c o m m e n d e d c o n n e c t i n g j a c k s , p l u g s a n d p i n s .
i n p u t a n d o u t p u t l i n e s to i n t e r f a c e c o n n e c t o r J 3 ( s i g n a l ) s h o u l d b e c a b l e d u s i n g o n e
of t h e t w o f o l l o w i n g m e t h o d s :
T w i s t e d p a i r ( AWG 26 o r l a r g e r ) w i t h a t l e a s t o n e t w i s t p e r i n c h ,
s i g n a l .
w i r e c o n n e c t e d t o s i g n a l g r o u n d a t b o t h e n d s .
e x c e e d 25 f e e t .
O n e w i r e c o n n e c t e d to a s s i g n e d s i g n a l p i n o n P 3 , a n d
(SIDE VIEW)
A ND D R IV E BELT
F i g u r e 4 - 1 .
P r i n c i p a l P a r t s L o c a t i o n
4 - 3
t h e o t h e r
C a b l e l e n g t h s h o u l d n o t
A l l
f o r e a c h

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