User Manual and Operating Guide
4-1
4. Establishing Communication with
Controllers
4.1 Introduction
Once you have connected the controllers and the computer to the network, installed the
CN8-SW software, and changed the password on the MULTI login account, you are
ready to establish communication between the CN8-SW computer and the controllers on
the network.
You must do the following tasks.
·  U s e  t h e  f r o n t  p a n e l  u s e r  i n t e r f a c e  o f  e a c h  c o n t r o l l e r  t o  a s s i g n  e a c  h  a  u n i q u e 
a d d r e s s  ( b e t w e e n  1  a n d  2 5 4 ) . 
·  I f  t h e  O m e g a  P l u s  c o n t r o l l e r s Õ  c o m m u n i c a t i o n  p a r a m e t e r s  h a v  e  b e e n 
c h a n g e d  f r o m  t h e  f a c t o r y  d e f a u l t s ,  u s e  t h e  f r o n t  p a n e l  o f  e a c h  c o n t r o l l e r  t o 
s e t  t h e  c o m m u n i c a t i o n  p a r a m e t e r s  a t  t h e i r  d e f a u l t  v a l u e s  a s  d e s c r i b e d  i n 
4 . 2 . 
·  U s e  t h e  C o m m u n i c a t i o n s   o p t i o n  o n  t h e  C N 8 - S W  O p t i o n s  m e n u  t o  s p e c i f y 
t h e  C O M  p o r t  t o  b e  u s e d  b y  t h e  M u l t i - C o m  s o f t w a r e .  If  y o u  c h o o s e  n o t  t o 
u s e  t h e  a u t o m a t i c  Ò f i n d  c o n t r o l l e r s Ó  f e a t u r e  d e s c r i b e d  i n  4 . 4 . 2  t o  s e t  u p  y o u r 
n e t w o r k ,  t h e n  y o u  m u s t  a l s o  s p e c i f y  t h e  b a u d  r a t e  t o  b e  u s e d  b y  t h e  C N 8 - 
S W  s o f t w a r e . 
7
 C o n f i g u r a t i o n  o f  c o m m u n i c a t i o n  p a r a m e t e r s  i s  d e s c r i b e d  i n 
4 . 3 . 
·  S e t  t h e  c o m m u n i c a t i o n  p a r a m e t e r s  o f  t h e  c o n t r o l l e r s  t h a t  s u p p o r t  t h e 
o r i g i n a l  O m e g a  p r o t o c o l  t o  m a t c h  t h e  C N 8 - S W  s o f t w a r e  a s  d e s c r i b e d  i n  4 . 2 . 
·  M a k e  t h e  C N 8 - S W  s y s t e m  a w a r e  o f  a l l  d e v  i c e s  o n  t h e  n e t w  o r k  a s  d e s c r i b e d 
i n  4 . 4 .  T h i s  c a n  b e  d o n e  u s i n g  t h e  a u t o m a t i c  Ò f i n d  c o n t r o l l e r s Ó  o p e r a t i o n ,  i n 
w h i c h  t h e  C N 8 - S W  s y s t e m  s e e k s  a n d  f i n d s  O m e g a  P l u s  c o n t r o l l e r s  u s i n g 
t h e  d e f a u l t  b a u d  r a t e  o f  e a c h  c o n t r o l l e r  a n d  s e t s  a l l  t h e  O m e g a  P l u s 
c o n t r o l l e r s  t o  w o r k  a t  9 6 0 0  b a u d .  Al t e r n a t i v e l y ,  y o u  c a n  a d d  c o n t r o l l e r s  t o 
t h e  n e t w o r k  o n e  a t  a  t i m e .  If  y o u  u s e  t h i s  m a n u a l  m e t h o d ,  t h e n  t h e  s o f t w a r e 
w i l l  p o l l  a t  t h e  b a u d  r a t e  s p e c  i f i e d  i n  t h e  C N 8 - S W  C o m m u n i c a t i o n s  S e t u p 
w i n d o w . 
·  S a v e  t h e  s e t  u p  a s  a n  . M C S  f i l e s  a s  d e s c r i b e d  i n  4 . 8 . 
7
 If you do use the Òfind controllersÓ function, the CN8-SW software will automatically use 9600 baud.










