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5

 

System parameter table (Secondary parameters) 

Set the parameter ‘Loc’=808 to enter: 

AHYS 

Alarm Hysteresis 

Avoid frequent alarm on-off action because of the 
fluctuation of PV 

0~200 2 

AOP 

Alarm output 

assignment 

Alarm

Output to   

LdAL  

(x 1000)

HdAL

(x100)

LoAL

(x10) 

HIAL 

(x1) 

None 

0 0 0  0 

AL1 

1 1 1  1 

eg: AOP=1101 means LdAL, HdAL and HIAL 
alarm action output from AL1;LoAL, no alarm 
action. 

0~1111 

1111 

or       

according 

to  fixed 

module 

CtrL 

Control mode 

onoF : On-off control 
APId : AI PID control, high precision   

and no-overshot 

onoF,   

APId 

APId 

Act 

NA 

No any function on this model. 

rE/dr/    

rEbA/drbA

rE 

Proportion band 

Proportion band in PID with unit 

 or 

 

1~999 30 

Time of Integral 

No integral effect when I=0 

0~9999 

Sec 

100 s 

Time of   

derivative 

No derivative effect when d=0 

0~999.9 

Sec 

50.0s 

CtI 

Control period 

Small value can improve control accuracy. For 
SSR output, generally 0.5 to 3 seconds. 
Large value can increase using life of relay. For 
Relay output, generally 15 to 40 seconds. 

0.5~120 

Sec 

2 s 

Or 

20 s 

CHYS 

Control  

hysteresis 

CHYS is used for ON-OFF Control.   
PV > SV, Output turns OFF; 
PV<SV-CHYS, Output turns ON. 

0~200 2 

InP 

Input  

specification 

InP 

Input spec.

InP

Input spec.   

Spare 

Spare 

8-20

Spare 

21 

Pt100 

 

1~21 0 

dPt 

Resolution  

(only for CN42 

series ) 

0   : 1  

/

 

0.0 : 0.1 

/

 

 0.0 

Summary of Contents for CN4000 Series

Page 1: ...e mail info omega com For latest product manuals www omegamanual info CN4000 SERIES Temperature Controllers TM Shop online at omega com User sGuide NORWALK CT ...

Page 2: ...specifications without notice omega com info omega com Servicing North America U S A Omega Engineering Inc Headquarters Toll Free 1 800 826 6342 USA Canada only Customer Service 1 800 622 2378 USA Canada only Engineering Service 1 800 872 9436 USA Canada only Tel 203 359 1660 Fax 203 359 7700 e mail info omega com For Other Locations Visit omega com worldwide ...

Page 3: ...ler with 0 0 decimal CN418V 1 8 DIN Vertical controller CN428V 1 8 DIN Vertical controller with 0 0 decimal CN418H 1 8 DIN Horizontal controller CN428H 1 8 DIN Horizontal controller with 0 0 decimal Specify controlling output code from Output Options table below Specify alarm code from Alarm Options table below Low voltage power supply option LV Controlling Output Options Option Type Code Relay R1...

Page 4: ...emperature Display Resolution CN 4116 CN414 CN418 1 1 CN4216 CN424 CN428 0 1 0 1 ON OFF Control Control Method AI PID Control with Auto Tuning AT Relay Output 1A 250VAC Output Type Voltage Output for SSR 12V 30mA Limit High Low Alarm Modularization High deviation Low deviation 100 240VAC 15 10 or 24VDC Supply Voltage 50 to 60Hz Power Consumption 3W Operating Environments Temperature 10 to 60 14 to...

Page 5: ...n PV LoAL alarm off when PV LoAL AHYS 999 3000 999 HdAL Deviation high alarm Alarm on when PV SV HdAL alarm off when PV SV HdAL AHYS 999 3000 3000 LdAL Deviation low alarm Alarm on when PV SV LdAL alarm off when PV SV LdAL AHYS 999 3000 999 Loc Parameter Lock Loc Auto Tuning SV Primary Parameter Secondary Parameter 0 X 1 X X 2 X X X 3 X X X X 808 allow to modify data or execute AT X not allow to m...

Page 6: ...nction on this model rE dr rEbA drbA rE P Proportion band Proportion band in PID with unit or 1 999 30 I Time of Integral No integral effect when I 0 0 9999 Sec 100 s d Time of derivative No derivative effect when d 0 0 999 9 Sec 50 0s CtI Control period Small value can improve control accuracy For SSR output generally 0 5 to 3 seconds Large value can increase using life of relay For Relay output ...

Page 7: ...ent input is stabilized but the response speed is slow Generally if great interference exists then you can increase parameter FILt gradually to make momentary fluctuation of measured value less than 2 to 5 When the meter of the instrument is being examined at laboratory FILt should be set to 0 or 1 to short the response time 0 40 1 Fru Selection of power frequency and temperature scale 50C 50Hz 50...

Page 8: ...put specification setting is incorrect Or Input wiring is disconnected thermocouple problem Or Short circuited HIAL High limit alarm LoAL Low limit alarm HdAL Deviation high alarm LdAL Deviation low alarm EErr IC Software error 8888 IC Software error ...

Page 9: ...ontal Note The compensation wires for different kinds of thermocouple are different and should be directly connect to the terminals Connecting the common wire between the compensation wire and the t e r m i n a l s w i l l c a u s e m e a s u r e m e n t e r r o r Wiring graph for 1 16 DIN dimension instruments 8 ...

Page 10: ...play status When power on the upper display window of the instrument shows the process value PV and the lower window shows the set point SV This status is called basic display status When the input signal is out of the measurable range for example the thermocouple or RTD circuit is break or input specification sets wrong the upper display window will alternately display orAL and the high limit or ...

Page 11: ...ive the auto tuning process During auto tuning the instrument executes on off control After 2 3 times of on off action the instrument will obtain the optimal control parameter value If you want to escape from auto tuning status press and hold the key for about 2 seconds until the At parameter appear again Change At from on to oFF press to confirm then the auto tuning process will be cancelled Note...

Page 12: ...GA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows ...

Page 13: ...rs M U Turbine Paddlewheel Systems M U Totalizers Batch Controllers pH CONDUCTIVITY M U pH Electrodes Testers Accessories M U Benchtop Laboratory Meters M U Controllers Calibrators Simulators Pumps M U Industrial pH Conductivity Equipment DATA ACQUISITION M U Communications Based Acquisition Systems M U Data Logging Systems M U Wireless Sensors Transmitters Receivers M U Signal Conditioners M U Da...

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