Thermo Electron Ramsey ORETRONIC III Operating And Service Manual Download

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R E C 4 1 0 5

B - 1

Appendix B
Remote Front Panel

T h i s  Ap p en d i x   d e s c r i b e s   t h e  o p t i o n a l   r e mo t e   f r o n t  p an e l   f o r   t h e
O R E T R O NI C   I II  T M D .    I t   i n c l u d e s  t e c h n i ca l   sp e c i f i ca t i o n s,   w i r i n g
p r o c e d u r e s,   i n s t r u ct i o n s   f o r   s e t u p   an d   o p er a t i o n ,   an d   a   s p a r e  p a r t s   l i s t .

B.1. Overview

T h e  o p e r a t o r  i n t e r f a ce   t o   t h e  T M D   i s  a  fro n t   p an e l   o n   t h e  c o n tro l  u n it .    T h e
f r o n t  p an e l  i s   co mp o se d  o f  a   to u c h  p a n el  k ey p ad ,  LE D  i n d i c a to r s,  a n   ei g h t-
c h a r a c t e r   al p h a n u me r i c   d i s p l ay ,  a n d   a  t h r e e- d ig it   co u n t e r  L E D .

T h e  k ey p ad  i s  u s e d   to   en t e r  an d   c h an g e v a lu e s   an d   to  s c r o ll  t h e  d i s p l ay s.
T h e  d i s p l ay s  i n d i c at e  t r a mp   co u n t   a n d   co a s t  c o u n t   d u r i n g  n o r m a l   o p e ra t i o n s
a n d   a r e  u s ed  d u r i n g   s et u p   an d   c a l i b r at io n .    LE D s   v i s ib le   f ro m  o u ts i d e  th e
e n c lo s ur e  in di c a t e N O R M A L , B YP A S S,  an d A L A R M  con d i ti o n s  and  a b ar
g r ap h   s h o w  s ig n al   s tr en g t h .

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  ca n
b e   ad d ed   to  t h e  ma i n  T M D   co n t ro l  u n it .   T h e   r e mo t e   fro n t  p an e l  in c lu d e s  a
s e p a r a t e  p o w e r   s u p p l y   a n d  h a s   a d i s t an c e  l imi t a t i o n  o f  4 , 0 0 0   ft  ( 1 , 2 1 9   m)
fro m th e mai n  T M D co nt ro l un it .

T h e r e mo t e f ro n t p an el i s id en t i ca l to th e fro n t p an e l o n t h e c o n tro l u n it i n
b o t h ap p e ar a n c e an d o p er a t io n .

B.2. Routine Maintenance

K e e p t h e ar e a a r o u n d t h e T M D f r e e f ro m r o c k s an d ma t e r i a l b u i l d - u p .

T h e  T M D  sy s t e m  c a n  b e   w a sh e d  d o wn   wi t h  w a t e r   an d  me e t s   N E M A   T y p e 4 X
s t a n d a r d s .    D o   n o t   a d d  h a r sh   ch emi c a l s ,  c a u s t i c s ,   o r  d i s i n f e ct a n t s  t o   t h e  w a sh
d o wn   so l u ti o n .

T h e   co n t ro l  u n i t  e n clo s u r e   c an  b e   w i p ed   c l ea n   w ith   a  d a mp   c l o th , a n d   i f
n e c e s s a r y ,  a   mi l d  d e t er g en t .     N ev e r   u s e  ab r as i v e  c l e a n er s ,   e sp e c i al l y   o n  t h e
d i sp l ay   win d o w s .    K ee p  t h e  e n clo s u r e  d o o r t i g h t ly   c lo se d  t o   p r e v en t  d i r t
i n fi lt rati on.

A s a p r e v en t i v e me a s u r e , ch e c k a l l wi re s , p l u g s , a n d i n t eg r a t ed ci r c u i t s i n
t h e con trol un it t o ma k e su re th ey are ti gh t i n th ei r con n e ct ors.

T h e i d l e r s o n e a c h s i d e o f t h e T M D c oi l s u p p o r t st r u ct u r e s h o u l d b e g r e a s e d
a c c o r d i n g t o t h e ma n u f a c t u r e r ’ s sp e c i f i c a t i o n .

M a k e   su r e t h a t  th e   co n v ey o r  b e lt  i s  r u n n in g   t ru e  t o   th e  c o n v ey o r c e n t e rl in e
i n   t h e   d e t ec t i o n   a r e a   t o   p r ev e n t   d a ma g e  t o  t h e   co i l   su p p o r t   s t r u c t u r e   an d
c o i l ( s ) .