Marathon Computer AACC 2000 Alarm configuration Values, Table a Alarm types Value, Alarm Modes

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Marathon Monitors Inc.

	AL	Alarm configuration	Values

The controller contains four ‘soft’ alarms, which are configured in this list. Once configured,

they can be attached to a physical output as described in the alarm relay configuration list, ‘AA Conf’.

AL1	Alarm 1 Type	see Table A
Ltch	Latching	no YES Evnt mAn			*
		/	/	/	*
bLoc	Blocking	no/YES
AL2	Alarm 2 Type	see Table A
Ltch	Latching	no YES Evnt mAn			*
		/	/	/	*
bLoc	Blocking	no/YES
AL3	Alarm 3 Type	see Table A
Ltch	Latching	no YES Evnt mAn			*
		/	/	/	*
bLoc	Blocking	no/YES
AL4	Alarm 4 Type	see Table A
Ltch	Latching	no YES Evnt mAn			*
		/	/	/	*
bLoc	Blocking (not if ‘AL4’ = ‘rAt’)	no/YES

Table A - Alarm types
Value	Alarm type
OFF	No alarm
FSL	PV Full scale low
FSH	PV Full scale high
dEv	PV Deviation band
dHi	PV Deviation high
dLo	PV Deviation low
LCr	Load Current low
HCr	Load Current high
FL2	Input 2 Full Scale low
FH2	Input 2 Full Scale high
LOP	Working Output low
HOP	Working Output high
LSP	Working Setpoint low
HSP	Working Setpoint high
rAt	PV Rate of change
	AL4 only

Alarm Modes

‘no’ means that the alarm will be non-latching.

‘YES’ means that the alarm will be latched, with automatic resetting. Automatic resetting means that if a reset is actioned before the alarm has cleared, then it will automatically reset when it clears

AACC 2000 Carbon

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Nov. 1, 1997

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Contents Copyright Marathon Monitors INC Marathon Monitors Inc Mechanical Installation Electrostatic discharge precautions SafetyCleaning Electromagnetic compatibilityWiring Safety SymbolsPower Isolation PersonnelOvercurrent protection Over-temperature protectionVoltage rating Conductive pollutionGrounding of the temperature sensor shield Installation requirements for EMCRouting of wires Equipment ratings Environmental ratingsGeneral Electrical safetyMarathon Monitors Inc Installation Outline dimensions Model 2000 controller Outline dimensions ModelIntroduction To install the controllerController labels Unplugging and plugging-in the controllerModel Aacc 2000 rear terminal layout Rear terminal layoutsMarathon Monitors Inc Module 1, 2 Sensor input connectionsSnubbers Two terminal modulesCOM Four terminal modulesDual output modules Connections for Process Value 2 PV2 Connections for Process Value 3 in module positionCommunication module EIA-485 wiring Wiring of 2-wire EIA-485 serial communications linkMarathon Monitors Inc Operation Front Panel LAYOUTs 26.0OP1 Button or Name ExplanationOP2 SP2Basic operation AlarmsOperating modes Output power demand Automatic modeHome display Display unitsSetpoint Manual ModeList header displays Parameters and HOW to Access ThemMarathon Monitors Inc Parameter displays Parameter namesTo change the value of a parameter 1OFF ListOFF PID.1 PIDSTD FactPass Millivolt input Offset Name Description Prob Probe list Process FactorHydrogen or CO constant Name Description DrA TunEDrA.t AdcSEt Pid PID listRES HcbInput list Setpoint listCmS Comms list Output listInFo Information list FF.OP Access ListAlarms Display What it means What to do about it Shows Diagnostic alarms2b Diagnostic alarms Access Levels Password entry Access list headerAccess to Read-only Configuration Configuration level Configuration passwordLevel selection Edit level Setting operator access to a parameterReturning to Operator Level Hiding or revealing a complete listPromoting a parameter This sheet intentionally left blank Parameter Code Meaning or Function TuningHow to tune One-shot TuningCalculation of the cutback values Typical automatic tuning cycleAdaptive tune Manual Tuning Proceed as follows Setting the cutback valuesAutomatic droop compensation Adc Integral action and manual resetMotorized valve control Name Description Values Mtr Motor list Min Max DefaultInertia and backlash settings Adjusting the minimum on-time ‘mp.t’Marathon Monitors Inc Gain scheduling Enable in configuration levelSet the transfer point Configuration Press to enter configuration Selecting configuration levelChanging the passwords Leaving Configuration LevelLIN REUD1SA Enab SB.OPCMS RelyNone YES DIGPMV Name Description Values Meaning InSt Instrument configurationH2O SP.FFInput configuration Process value configCJC VAL.L Setpoint configurationVAL.H Table a Alarm types Value Alarm configuration ValuesAlarm Modes Digital input 2 configuration Action on contact closure Digital input 1 configuration Action on contact closureIMP Vflt Alarm relay configurationPflt Combining several digital events on to one output Comms 1 module config1A b C1 Module 1 configuration Module configCool For ‘id’ = ‘LoG.i’ i.e logic input use the LA Conf’ list on 2A/b/C Module 2 configurationDisplayed value low SEL 3A/b/C Module 3 configurationModule configuration C Module configurationVAL.1 Point Custom LinearisationVAL.8 CAL Exit Exit configuration Password configurationDC Output Calibration User calibrationUser calibration Calibration Configuration List User Calibration EnableUser Calibration Enable Exit configurationInput list header Offset calibrationCalibration type Set Offset See table on the right for additional parametersDisplayed Value Two-point calibrationSelect Low-point Calibration Adjust low-point calibrationSelect High-point Calibration Adjust High-point CalibrationName Parameter description Meaning Calibration points and Calibration offsetsParameter Table Default HY1 Ssel FLT3 Marathon Monitors Inc AL1 Module 2A High Value VAL.1 101 Index Two-point calibration User calibration Aacc 2000 Carbon