Omega Engineering CN9400 specifications Level, Band, Der.T, Dac

Page 20

FUNCTION LIST (Levels 1 to 4)

Note: A Functions Menu is shown on the cover fold-out A3

LEVEL 1

Function Options [Factory settings] shown in brackets

t

SELECT AUTOTUNE

 

 

i s

 

 

TUNE

[oFF]

on ParK At.Sp

L

 

Used to switch the Autotune feature on and off, to

 

 

n

 

select ParK or Autotune at setpoint.

 

ParK temporarily turns the output(s) off. To use select

o

 

 

ParK and exit program mode. To disable re-enter

 

 

t i

 

program at tunE and select oFF.

SP1 OPERATING PARAMETERS

 

n c

 

BAND

0.1 to *

°C/°F

[10ºC/18ºF]

u

 

SP1 proportional band/Gain or Hysteresis

 

* 25% sensor maximum

F

 

 

Proportional control eliminates the cycling of on-off

 

 

control. Heater power is reduced, by time proportioning action, across the proportional band.

 

Too narrow

Too wide

 

 

 

(oscillates)

(slow warm up and response)

16

 

 

 

 

increase

BAND

decrease

BAND

 

 

 

 

 

 

Function

Options [Factory settings] shown in brackets

INT.T

oFF 0.1 to 60 minutes [5.0]

 

SP1 integral time/reset

 

Auto-corrects proportional control offset error

Too short

 

Too long

(overshoots and oscillates)

(slow warm up and response)

DER.T

oFF 1 - 200 seconds [25]

SP1 derivate time/rate

Suppresses overshoot and speeds response to disturbances

 

*

* disturbance

Too short

Too long

 

(slow warm up and response,

(oscillates and over corrects)

under corrects)

 

DAC

0.5 - 5.0 x bAnd

[1.5]

 

SP1 derivative approach control dAC

 

Tunes warm-up characteristics, independent of normal

 

operating conditions, by controlling when derivative

 

action starts during warm-up (smaller dAC value =

 

nearer setpoint).

 

Too small

 

Too large

(overshoots)

(slow stepped warm up)

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Contents User’s Guide Index D eSafety Information InstallationConfiguration Ultimate Safety AlarmsFunctions Menu C tQuick Start I c k S t a r tSPI.D SPI.DIntroduction T r o d u c t i o nTune CN9400Overview E r v i e wSET-UP AutotuneCYCLE-TIME FunctionsSET-UP Using Program Mode Reminder of Instrument AdjustmentsMenu Navigation N u N a v i g a t i o nAutotune T o t u n eTune Program TuneProportional CYCLE-TIME Reminder of Instrument Adjustments Tune AT Setpoint ProgramProportional CYCLE-TIME CYCLE-TIME Selection MethodsCYCLE-TIME Recommendations CYC.TPre-Select Automatic Acceptance of Any Autotune Cycle-time To Pre-Select Cycle-time Before AutotuneA m m e r RAMP-SOAKSprr SoakC o n d S e t p To Configure SP2 AS AN AlarmSecond Setpoint SP2 Subsidiary SP2 Mode SP2 Output and LED Indication States in Alarm ConditionC o n d S SP2.BFail Error MessagesData Using the CheK Control accuracy monitor Read SP1 Output Percentage PowerImproving Control Accuracy N g C o n t r o l a c c u r a c yLevel BandDER.T DACN c t i o n L i s t CYC.TOfst SET.2Disp HiscLO.SC InptSP1 SP2 BurnREU.D REU.L SpanZero ChekProgram security using Lock Prog Auto StAYFactory SET Output Options V a n c e d S e t t i n g s Advanced SettingsHeat Cool Strategy Configuration Heat Cool Strategy Configuration Calibration to Another InstrumentWater cooled applications Multi zone applicationsLinear Input Calibration Calibration to Another InstrumentG s V a n c e d S e t tMechanical Installation C h a n i c a l InstallationDIN Panel Cutout DIN panel cutout sizeMinimum Spacing Mounting To mount a Controller proceed as followsE c t r i c a l Installation Wiring the ConnectorOutput Devices Output Device AllocationE c t r L InstallationModel CN9412 Typical Connection Diagram N s o r S e l e c t i o n Specification SpecificationWarranty / Disclaimer Return REQUESTS/ InquiriesOmega.comTM

CN9400 specifications

The Omega Engineering CN9400 is a cutting-edge device designed for precision temperature control and monitoring in industrial and research applications. This versatile instrument is renowned for its high accuracy, stability, and user-friendly interface, making it an essential tool for engineers and technicians alike.

One of the standout features of the CN9400 is its advanced PID control algorithm. This method ensures that temperature fluctuations are minimized, allowing for precise temperature management in processes that require strict adherence to specific thermal conditions. The PID control system continuously calculates the error between a desired setpoint and a measured process variable, adjusting the control output to achieve optimal performance.

The CN9400 is equipped with a large, easy-to-read LCD display that provides real-time data on temperature readings and system status. Users can view both set point and actual temperature simultaneously, enabling quick and informed decisions during critical operations. Additionally, the display features customizable alerts and notifications that inform operators of any deviations or potential issues, ensuring a proactive approach to process control.

In terms of connectivity, the CN9400 offers a variety of options, including RS-232 and RS-485 communication protocols, enabling seamless integration into existing control systems. This connectivity ensures that users can monitor and control the device remotely, enhancing operational efficiency and flexibility.

Another noteworthy characteristic of the CN9400 is its robust construction. Designed for durability, it can withstand harsh industrial environments, including extreme temperatures and vibrations. The device is also compatible with various types of temperature sensors, such as thermocouples and RTDs, providing users with the flexibility to select the most appropriate sensor type for their specific application.

In addition to its technical capabilities, the Omega Engineering CN9400 is designed with user convenience in mind. The intuitive menu-driven interface allows for easy programming and operation. Users can quickly navigate through settings and parameters without extensive training, minimizing downtime and enhancing productivity.

Overall, the Omega Engineering CN9400 is a powerful and reliable temperature controller that combines advanced technology with user-friendly features. Its precision, durability, and connectivity make it an ideal choice for a wide range of industrial and research applications, ensuring accurate temperature management in even the most demanding environments.
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