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Omega Engineering CN9400 specifications Error Messages

Models: CN9400

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ERROR MESSAGES

ERROR MESSAGES

SENSOR FAULT

Upper display alternates: inPt and FAiL

Indicates: thermocouple burnout RTD/Pt100 open or short circuit or negative over-range.

Action: Check sensor/wiring

	s	NON-VOLATILE MEMORY ERROR
	e	NON-VOLATILE MEMORY ERROR
	e	Upper display alternates: dAtA and FAiL
		Upper display alternates: dAtA and FAiL
	g	Action:	De-power briefly. Replace unit if problem
	g		persists
	a		persists
	a	MANUAL POWER ERROR
	s	MANUAL POWER ERROR
	s	Upper display alternates: hAnd and FAiL
	s	Upper display alternates: hAnd and FAiL
	s		SP1 set to ON/OFF in CYC.t
	e		SP1 set to ON/OFF in CYC.t
	e	Action:	Select proportional mode
	M	IMMEDIATE FAIL ON AUTOTUNE START
		IMMEDIATE FAIL ON AUTOTUNE START
		Upper display alternates: PV tunE and FAiL
	r		Lower display 0
	o		1. No setpoint entered.
	o	Action:	Enter setpoint
	r r	Action:	Enter setpoint
	r r		2. SP1 set to ON/OFF in
			2. SP1 set to ON/OFF in
	E	Action:	Select proportional mode
		Note:	To reset and clear error press ▲▼ together
			briefly to cancel message.

FAIL LATER DURING AUTOTUNE CYCLE

The thermal characteristics of the load exceed the Autotune algorithm limits. The failure point indicated by any display 0.0 in

14e.g. Ctb = 0.0 see adjacent diagram.

	INPT	Action: 1. Change the conditions. eg. raise setpoint	TUNE
	INPT	2. Try	TUNE
		2. Try
		3. Check SP1.P percentage power	AT.SP
		3. Check SP1.P percentage power
		(see IMPROVING CONTROL ACCURACY)
		4. If the error message persists, call CAL
		for advice.
	DATA	READING AUTOTUNE TUNING CYCLE
		READING AUTOTUNE TUNING CYCLE
		RESULTS IN tECh
		1. Index to	TECH
		1. Index to
	HAND	release ▲ or ▼, lower display will alternate Ct.A	CT.A
	HAND	release ▲ or ▼, lower display will alternate Ct.A
		and value

2.Keep ✱ pressed and press ▲ once, the lower display will alternate Ct.b and value (eg. 19.6)

FAIL	3. Repeat step 3 above to view:

0Ct 1, Ct 2, Ct 3, Ct 4, oS 1, uS and oS 2.

Autotune tuning data and limits

CYC.T	Temp	DAC			PID
	Temp
ON.OF
ON.OF
	Setpoint		oS 1		oS 2
		Tuning	oS 1		oS 2
		Tuning	Ct 1		Ct 2
	TUNE		Ct 1		Ct 2
	TUNE
	Cycle
	75% SP						New PID
							New PID
		A	b		3	4	values
		Ct	Ct	uS	Ct	Ct	entered
		Ct	Ct	uS	Ct	Ct
TECH	Start TUNE						Time
TECH					(100% output)

Image 18

Omega Engineering CN9400 specifications Error Messages

Contents

Dual Display Autotune Temperature Controller CN9400User’s Guide SAFETY INFORMATION INDEXI n d e ERROR MESSAGESCONFIGURATION SAFETY INFORMATIONINSTALLATION ULTIMATE SAFETY ALARMSINSTRUMENT ADJUSTMENTS FUNCTIONS MENUu n c t LEVELSWITH FACTORY SETTINGS QUICK STARTQ u i c k S t a r t 2Select unitTUNE INTRODUCTIONI n t r o d u c t i o n CN9400SET-UP OVERVIEWO v e r v i e w AUTOTUNECycle-timeselection methods CYCLE-TIMEO v e r v i e w Autotune calculatedS e t POWER-UPSET-UP 1SELECT INPUT SENSORM e n u N a v i g a t i o n USING PROGRAM MODEMENU NAVIGATION To change an option value or settingTUNE PROGRAM AUTOTUNEA u t o t u n e CYCLE-TIMEA u t o t u n e TUNE AT SETPOINT PROGRAMREMINDER OF INSTRUMENT ADJUSTMENTS PROPORTIONAL CYCLE-TIMECYCLE-TIMESELECTION METHODS CYCLE-TIMERECOMMENDATIONSPROPORTIONAL CYCLE-TIME 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 PROGRAMMER g r a m m e rRAMP-SOAK Set Ramp OnTO CONFIGURE SP2 AS AN ALARM SECOND SETPOINT SP2S e c o n d S e t p S e c o n d S SP2 ALARM ANNUNCIATORTO CONFIGURE SP2 AS A PROPORTIONAL CONTROL OUTPUT e t pERROR MESSAGES v i n g C o n t r o l A c c u r a c y IMPROVING CONTROL ACCURACYp r o Using the CheK Control accuracy monitorINT.T LEVELFUNCTION LIST Levels 1 to 10ºC/18ºFPROGRAMMER SETTINGS see page F u n c t i o n L i s tSP1 offset/manual reset Adjust SP2 setpointSelect display resolution for display of process Options Factory settings shown in bracketsLimits maximum SP1 heating power during warm-up Set scale minimum default 0C or 32FF u n c t i o n L i s t OUTPUT CONFIGURATIONLEVEL SP1.DOptions Factory settings shown in brackets Sensor span adjustZero sensor error, see SPAn 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 FACTORY SET OUTPUT OPTIONS DUAL RELAY OR DUAL SSd OUTPUT MODELSA d v a n c e d S e t t i n g s ADVANCED SETTINGSHEAT COOL STRATEGY CONFIGURATION Using SP2.A Cool optionA d v a n c e d S e t t i n g s CALIBRATION TO ANOTHER INSTRUMENTHeat Cool Strategy Configuration continued Water cooled applicationsE2-E1 X hi.SC = SPAn LINEAR INPUT CALIBRATIONA d v a n c e d S e t t i n g s T2-T1i n g s A d v a n c e d S e t tLinear Input Calibration continued DIN PANEL CUTOUT MECHANICAL INSTALLATIONM e c h a n i c a l I n s t a l l a t i o n 1/16 DIN panel cutout sizeM e c h a n i c a l I n s t a l l a t i o n MINIMUM SPACING MOUNTINGCleaning To mount a Controller proceed as followsOUTPUT DEVICES WIRING THE CONNECTORE l e c t r i c a l I n s t a l l a t i o n OUTPUT DEVICE ALLOCATIONc a l I n s t a l l a t i o n ELECTRICAL INSTALLATION continuedMODEL CN9412 TYPICAL CONNECTION DIAGRAM E l e c t rOption/Sensor type SENSOR SELECTIONS e n s o r S e l e c t i o n Sensor rangeThermocouple SPECIFICATIONS p e c i f i c a t i o n GeneralWARRANTY / DISCLAIMER RETURN REQUESTS/ INQUIRIESFor immediate technical or application assistance omega.comTMServicing North America Servicing Europe