ORET RONIC
™
Tramp Metal Detector
R E C 4 1 0 5
1 - 8
O p t io n a l h ig h v i s ib il ity i n d i c at o rs ma y b e u s e d t o i n d i c a t e N O R M A L ,
B Y P A S S , an d A L A R M . T h i s o p t i o n i s a l i g h t b ar w i t h b r i g h t i n c a n d e s c en t
l i g h t s t h a t c a n b e wi r e d d i r e ct l y in to t h e con t ro l e l e ct r o n i c s .
1.4.2 Remote
Front
Panel
A r e mo t e fr o n t p an e l d i sp l ay o p ti o n u s in g R S - 4 8 5 s e ri a l co m mu n i c a ti o n s
c a n b e ad d e d t o t h e ma i n T M D co n t r o l u n i t . R e mo t e d i s p l ay i n c l u d e s a s ep -
a r a t e p o w er s u p p l y an d h a s a d i s t a n c e l i m i t a t i o n o f 4 ,0 0 0 f t ( 1 , 2 1 9 m ) .
R e f e r t o Ap p en d i x B f o r mo r e i n f o r ma t i o n a b o u t t h e r e m o t e f r o n t p a n el
o p t io n .
1.4.3 Synchronization
of Transmitter Pulses
W h en t w o o r mo r e d et e c t o r s a r e w i t h i n 3 0 f e e t o f e a ch o t h e r , t h e
S Y N C
i n p u t f e a tu r e a ll o w s fo r th e sy n ch ro n i z a t io n o f tr a n s mi t t e r p u l s e s. Th i s
p r ev e n t s t h e d et e c to r s f ro m mi s t a k in g a t r an s mi t t e r p u l s e f ro m a n o th e r
d e t e ct o r fo r a me t a l sig n al .
T o s e t u p sy n ch ro n i z at i o n , o n e
T M D
i s t h e “ma s t e r ” a n d t h e o t h er a r e
“ s l a v e s . ” T h e ma s t e r d o e s n o t h a v e
S Y N C
in pu t tu rn ed on ; on ly th e sl av es
h a v e it o n .
S Y N C O U T
t r a n s mi t o n t h e ma s t e r i s co n n e c t e d t o
S Y N C I N
r e c e i v e o n t h e s l av e s . T h e ma s t e r o n l y t r an s mi t s ; i t d o e s n o t r e c ei v e. T h e
s l a v e s o n l y r e c e i v e ; t h ey d o n o t t r a n s mi t .
1.4.4 Speed
Sensor
A n o p t io n al b e l t sp e e d s en s o r c an b e ad d e d f o r o p ti ma l p e rf o r ma n c e w i th
v a r i a b l e s p e e d b e l t s . S p e e d i n p u t p ro v i d e s f o r a c c u r a t e b e l t c o a s t d e t e r mi -
n a t io n an d o th e r sp e ed - d ep e n d en t o p e r a tio n s. Th e sp e ed s en s o r o u t p u t mu s t
n o t ex c e e d 2 K H z.
1.4.5 Clip
Detector
A n o p t io n al b e l t c li p d e t e c to r i s u s e d w it h co n v ey o r b el t s h av in g me t a l l i c
s p l i c e s o r r e p a i r c l i p s. T h e d et e c t o r mo me n t a r i l y r e d u ce s t h e s en si t i v i t y o f
t h e
T M D
wh i l e me t a l f a s t e n er s t r a v e r s e t h e d e t e c t i o n zo n e. L a r g er t r a mp
me t a l w i l l s t i ll b e d e te c t e d . T wo cl ip d e t ec t o r s c a n b e u s ed o n v a r i a b l e
s p e e d b el t s.
1.4.6 High Pile Detector
T h e o p ti o n a l h ig h p i le d et e c to r is d e si g n e d t o h el p p r o t e c t t h e t r an s mi t t e r
c o i l f r o m d a ma g e c a u s e d b y o v er s iz e d ma t e ri a l o n t h e b e l t . I f t h e
t r a n s mi t t e r c o i l s wi n g s a w ay f r o m t h e s u p p o r t s t r u ct u r e be c au s e o f i mp a c t ,
t h e d i s p l ay w i ll sh o w
hi pile
. If th e t r an smi t t e r c o i l d o e s n o t sw i n g b a c k
i n t o p o s i t i o n i n f o u r s e c o n d s , t h e a l a r m r e l ay s o f t h e c o n t r o l a r e a c t i v a t ed .
T h e h i g h p i l e d e t e ct o r i s av a il a b le o n a d u a l c o i l T M D o n ly . Th e u n d e r b el t
s i n g l e c o i l mo d e l d o e s n o t h av e t h i s fe a t u r e b e c a u s e t h e t r an s mi t t e r c o i l i s
u n d e r th e b e l t .
1.4.7 Timed Delay Marker
I f an o p t io n a l l iq u id sp r ay o r f l ag d ro p ma r k e r i s u s ed to v i su a lly id e n t i fy
t h e lo c a t io n o f t r a mp me t a l o n th e c o n v ey o r, y o u c a n sp e c i fy a time d d e l ay
t h a t i n d i c a t e s t o t h e
T M D
h o w l o n g it t a k e s f o r th e d e te c t e d t r a mp t o mo v e
fro m th e co i l s to th e mark i n g d ev i ce. Th i s h e lp s en s u re th a t t h e co r r e ct
a r e a o f t h e b u r d en i s ma r k e d .
1.5 System
Requirements
S y s t e m r eq u i r e me n t s f o r i n c o r p o r at i n g a d u al co i l O R ET R O N I C III T M D
Summary of Contents for Ramsey ORETRONIC III
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