Page 2 - OMEGAnet
Servicing North America: U.S.A.: One Omega Drive, Box 4047 ISO 9001 Certified Stamford, CT 06907-0047Tel: (203) 359-1660FAX: (203) 359-7700e-mail: [email protected] Canada: 976 BergarLaval (Quebec) H7L 5A1, CanadaTel: (514) 856-6928FAX: (514) 856-6886e-mail: [email protected] For immediate technical or app...
Page 4 - Contents
Page 2 of 40 Contents INSTALLATION ....................................................................................... 3WIRING ................................................................................................... 5Wiring for Optional Inputs and Outputs ................................
Page 5 - MODEL IDENTIFICATION; Output A; Voltage 5VDC; Options
MODEL IDENTIFICATION CN790 Output A 2 = Switched Voltage 5 VDC3 = Relay Output 2 = Switched Voltage 5VDC 3 = Relay Options C4 = RS485LV = Low Voltage
Page 6 - P r e p a r e t h e p a n e l b y c u t t i n g a n d d e b u r r i n g t h e r e q u i r e d o p e n i n g ( s ) .; Collar
Page 4 of 40 F r o m t h e f r o n t o f t h e p a n e l , s l i d e t h e h o u s i n g t h r o u g h t h e c u t o u t . T h eh o u s i n g g a s k e t s h o u l d b e f l a t a g a i n s t t h e h o u s i n g f l a n g e b e f o r ei n s t a l l i n g . F r o m t h e r e a r o f t h e p a n e l s...
Page 8 - Wiring for Optional Inputs and Outputs; T h e w i r i n g t e r m i n a l s f o r t h e
Page 6 of 40 Wiring for Optional Inputs and Outputs Wire power and outputs as shown. Wiring for options is shown below. All wiringshown below is Class 2. Shielded twisted pair is required for Option C4 . 5 6 Option 992: Terminal 5 is line A (-). Terminal 6 is line B (+). Last control in chain must h...
Page 9 - Wiring for 4 to 20mA Transmitter inputs; Wiring for Z1 Input; Wiring for Z2 Input
Page 7 of 40 Wiring for 4 to 20mA Transmitter inputs External Power Supply 24 Vdc + - Transmitter + - Wiring for Z1 Input External Power Supply 24 Vdc + - Transmitter + - Wiring for Z2 Input D O N O T W I R E T H E 2 4 V O L T P O W E R S U P P L YA C R O S S T H E I N P U T O F T H E C O N T R O L ...
Page 16 - FACTORY DEFAULT PROCEDURE
Page 14 of 40 FACTORY DEFAULT PROCEDURE If for any reason you wish to restore the factory settings use the followingprocedure.1. Turn off power to control 2. Turn on power to control 3. While control is performing SELF SELF SELF SELF SELF tESt tESt tESt tESt tESt , press and hold the INDEX and ENTER...
Page 24 - P r o P; F o r C u r r e n t ( C o d e 5 ) o u t p u t s o n l y .
Page 22 of 40 c e n t e r o f t h e p r o p o r t i o n a l b a n d , a p u l s ev a l u e o f 1 p r o v i d e s a n o u t p u t o f o n e s e c -o n d o n a n d o n e s e c o n d o f f ( 5 0 % o u t p u t ) . Ap u l s e v a l u e o f 2 p r o v i d e s a n o u t p u t o f o n es e c o n d o n a n d ...
Page 26 - E N T E R k e y s m a y a l s o b e u s e d .
Page 24 of 40 I n C 2 I n C 2 I n C 2 I n C 2 I n C 2 I n p u t C o r r e c t i o n : S e l e c t - 5 0 0 - 5 0 0 - 5 0 0 - 5 0 0 - 5 0 0 t o 500 ° F , ° C , o r c o u n t s . T h i s f e a t u r e a l l o w s t h e i n p u t v a l u e t o b e c h a n g e d t o a g r e e w i t ha n e x t e r n a l r...
Page 30 - , t h e n s k i p t o
Page 28 of 40 S C H 1 S C H 1 S C H 1 S C H 1 S C H 1 S c a l e H i g h : S e l e c t 1 0 0 t o 9 9 9 9 c o u n t s a b o v e S C L 1 S C L 1 S C L 1 S C L 1 S C L 1 . T h e t o t a l s p a n b e t w e e n S C L 1 S C L 1 S C L 1 S C L 1 S C L 1 a n d S C H 1 S C H 1 S C H 1 S C H 1 S C H 1 m u s t ...
Page 35 - O o F F
Page 33 of 40 d e v i c e s w h i c h d o n o t h a v e b i a s a d j u s t m e n t s . F a c t o r y s e tt o 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 f o r a l l o u t p u t c o d e s . I f O u t 2 O u t 2 O u t 2 O u t 2 O u t 2 i s s e t f o r # # t P t P t P t P t P , # P U L P U L P U L P U L P U L , o r...
Page 37 - SPECIFICATIONS; Temperature Stability: 1 0 0 p p m / ° C t y p i c a l , 2 0 0 p p m / ° C m a x i m u m .
Page 35 of 40 SPECIFICATIONS Input: Thermocouple . Input Impedance: Thermocouple = 3 megohms minimum. Sensor Break Protection: De-energizes control output to protect system after customer set time. (See InP1 and InP2 in Secondary Menu.) Set Point Range: Selectable (See Range Chart Page 39). Display:...
Page 39 - DIAGNOSTIC ERROR MESSAGES
Page 37 of 40 DISPLAY No display lighted FAIL FAIL FAIL FAIL FAILtESt tESt tESt tESt tESt CHEC SP1 CHEC SP1 CHEC SP1 CHEC SP1 CHEC SP1 CHEC SP2 CHEC SP2 CHEC SP2 CHEC SP2 CHEC SP2 CHEC SPL1 CHEC SPL1 CHEC SPL1 CHEC SPL1 CHEC SPL1CHEC SPH1 CHEC SPH1 CHEC SPH1 CHEC SPH1 CHEC SPH1 or CHEC SPL2 CHEC SPL...
Page 42 - O M E G A E n g i n e e r i n g
O M E G A E n g i n e e r i n g O n e O m e g a D r i v eS t a m f o rd , C o n n e c t i c u t 0 6 9 0 7 - 0 0 4 7P. O . B o x 4 0 4 7Te l e p h o n e : 8 0 0 / 8 4 8 - 4 2 8 6 ; 2 0 3 / 3 5 9 - 1 6 6 0F a x : 2 0 3 / 3 5 9 - 7 7 0 0 FR# 08-195860-03
Page 43 - RETURN REQUESTS/INQUIRIES
WARRANTY/ DISCLAIMER O M EG A E N G I N E E R I N G , I N C . wa rr a n t s t h i s u n i t t o b e f r e e o f d e f e c t s i n m a t e r i a l s a n dworkmanship for a period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) y...
Page 44 - Shop online at omega.com
Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE 䡺 ⻬ Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies 䡺 ⻬ Wire: Thermocouple, RTD & Thermistor 䡺 ⻬ Calibrators & Ice Point References 䡺 ⻬ ...