Manuals / Omega Engineering / Lawn and Garden / Weather Radio

Omega Engineering CN9400 F u n c t i o n L i s t, LEVEL 1 continued, Cyc.T, Ofst, SET.2, Function

Models: CN9400

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LEVEL 1 (continued)

LEVEL 1 (continued)

Function	Options [Factory settings] shown in brackets
CYC.T	A - - on.oF 0.1 - 81 sec [20]
	SP1 proportional cycle-time (see pages 9/10)
	Determines the cycle rate of the output device for
	proportional control. Select on.oF for ON/OFF mode.
OFST	[0] to * °C/°F
	SP1 offset/manual reset

*±50% bAnd. Applicable in proportional and ON/OFF mode with integral disable: Int.t oFF.

SP>LK [oFF] on

Lock main setpoint

Locks the setpoint preventing unauthorised adjustment.

PROGRAMMER SETTINGS (see page 11)

SPRR [0] to 9995 deg/hour

Sets the ramp rate

SPRN on [oFF] hoLd

Switches the ramp on or off, or hold at last ramp value

SOAK [oFF] 0 to 1440 min

Sets the soak time

SP2 OPERATING PARAMETERS (see pages 12/13)

Function	Options [Factory settings] shown in brackets
SET.2	0 to * °C/°F [0]

Adjust SP2 setpoint

*Deviation Alarms DV.hi, DV.Lo, bAnd 25% sensor maximum (see figure 7).

*Full scale alarms FS.hi, FS.Lo

sensor range f/s (see figure 8)

BND.2 0.1 - * °C/°F [2.0 °C/3.6°F]

Adjust SP2 hysteresis or proportional band/gain

(see CyC.2 setting) * 25% sensor f/s

CYC.2 [on.oFF] 0.1–81 seconds

Select SP2 ON/OFF or proportional cycle-time

Select on.oFF for ON/OFF mode, or the cycle rate of SP2 output device for proportional mode.

F u n c t i o n L i s t

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Omega Engineering CN9400 F u n c t i o n L i s t, LEVEL 1 continued, Cyc.T, Ofst, SET.2, SP1 offset/manual reset, Function

Contents

Dual Display Autotune Temperature Controller CN9400User’s Guide I n d e INDEXSAFETY INFORMATION ERROR MESSAGESINSTALLATION SAFETY INFORMATIONCONFIGURATION ULTIMATE SAFETY ALARMSu n c t FUNCTIONS MENUINSTRUMENT ADJUSTMENTS LEVELSQ u i c k S t a r t QUICK STARTWITH FACTORY SETTINGS 2Select unitI n t r o d u c t i o n INTRODUCTIONTUNE CN9400O v e r v i e w OVERVIEWSET-UP AUTOTUNEO v e r v i e w CYCLE-TIMECycle-timeselection methods Autotune calculatedSET-UP POWER-UPS e t 1SELECT INPUT SENSORMENU NAVIGATION USING PROGRAM MODEM e n u N a v i g a t i o n To change an option value or settingA u t o t u n e AUTOTUNETUNE PROGRAM CYCLE-TIMEREMINDER OF INSTRUMENT ADJUSTMENTS TUNE AT SETPOINT PROGRAMA u t o t u n e PROPORTIONAL CYCLE-TIMEPROPORTIONAL CYCLE-TIME CYCLE-TIMERECOMMENDATIONSCYCLE-TIMESELECTION METHODS To Select AUTOTUNE CALCULATED CYCLE-TIMEP r o p o r t i o n a l c y c l e - t i m e Proportional Cycle-timecontinuedTo Pre-Select Cycle-timeBefore Autotune RAMP-SOAK g r a m m e rPROGRAMMER Set Ramp OnTO CONFIGURE SP2 AS AN ALARM SECOND SETPOINT SP2S e c o n d S e t p TO CONFIGURE SP2 AS A PROPORTIONAL CONTROL OUTPUT SP2 ALARM ANNUNCIATORS e c o n d S e t pERROR MESSAGES p r o IMPROVING CONTROL ACCURACYv i n g C o n t r o l A c c u r a c y Using the CheK Control accuracy monitorFUNCTION LIST Levels 1 to LEVELINT.T 10ºC/18ºFSP1 offset/manual reset F u n c t i o n L i s tPROGRAMMER SETTINGS see page Adjust SP2 setpointLimits maximum SP1 heating power during warm-up Options Factory settings shown in bracketsSelect display resolution for display of process Set scale minimum default 0C or 32FLEVEL OUTPUT CONFIGURATIONF u n c t i o n L i s t SP1.DZero sensor error, see SPAn Sensor span adjustOptions Factory settings shown in brackets Read Autotune tuning cycle data see figure, pageIMPORTANT NOTE FOR OEM’s: For safety and to protect settings from tampering LEVELF u n c t i o n L i s t DUAL RELAY OR DUAL SSd OUTPUT MODELS FACTORY SET OUTPUT OPTIONSHEAT COOL STRATEGY CONFIGURATION ADVANCED SETTINGSA d v a n c e d S e t t i n g s Using SP2.A Cool optionHeat Cool Strategy Configuration continued CALIBRATION TO ANOTHER INSTRUMENTA d v a n c e d S e t t i n g s Water cooled applicationsA d v a n c e d S e t t i n g s LINEAR INPUT CALIBRATIONE2-E1 X hi.SC = SPAn T2-T1i n g s A d v a n c e d S e t tLinear Input Calibration continued M e c h a n i c a l I n s t a l l a t i o n MECHANICAL INSTALLATIONDIN PANEL CUTOUT 1/16 DIN panel cutout sizeCleaning MINIMUM SPACING MOUNTINGM e c h a n i c a l I n s t a l l a t i o n To mount a Controller proceed as followsE l e c t r i c a l I n s t a l l a t i o n WIRING THE CONNECTOROUTPUT DEVICES OUTPUT DEVICE ALLOCATIONMODEL CN9412 TYPICAL CONNECTION DIAGRAM ELECTRICAL INSTALLATION continuedc a l I n s t a l l a t i o n E l e c t rS e n s o r S e l e c t i o n SENSOR SELECTIONOption/Sensor type Sensor rangeS p e c i f i c a t i o n SPECIFICATIONThermocouple GeneralRETURN REQUESTS/ INQUIRIES WARRANTY / DISCLAIMERServicing North America omega.comTMFor immediate technical or application assistance Servicing Europe