Marathon Computer AACC 2000 manual Displayed value low

Page 79

Marathon Monitors Inc.

For ‘id’ = ‘Pot.i (i.e. potentiometer input module) use this parameter table:

Func

Function

nonE

Function disabled

 

 

rSP

Remote Setpoint

 

 

Fwd.i

Feedforward input

 

 

rOP.h

Remote OP power max.

 

 

rOP.L

Remote OP power min.

 

 

VPoS

Motorised valve position

 

 

 

 

 

Displayed Value

 

 

Displayed value low

 

 

 

equivalent to 0%

 

 

 

 

VAL.L

VAL.H

 

 

potentiometer position

 

 

 

 

 

 

 

VAL.H

 

 

 

Displayed value high

 

 

 

 

 

 

 

 

equivalent to 100%

 

VAL.L

 

Electrical

potentiometer position

 

 

 

 

 

inP.L

inP.H

Input

 

AACC 2000 Carbon

79

Nov. 1, 1997

Page 78 Page 80
Image 79
Page 78 Page 80
Contents Copyright Marathon Monitors INC Marathon Monitors Inc Mechanical Installation Electromagnetic compatibility SafetyElectrostatic discharge precautions CleaningPersonnel Safety SymbolsWiring Power IsolationConductive pollution Over-temperature protectionOvercurrent protection Voltage ratingGrounding 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 ModelUnplugging and plugging-in the controller To install the controllerIntroduction Controller labelsModel 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 26.0SP2 Button or Name ExplanationOP1 OP2Basic operation AlarmsOperating modes Display units Automatic modeOutput power demand Home displaySetpoint 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 Adc TunEDrA DrA.tHcb Pid PID listSEt RESInput 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 Hiding or revealing a complete list Setting operator access to a parameterEdit level Returning to Operator LevelPromoting 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 LevelSB.OP REULIN D1SA EnabCMS RelyNone YES DIGPMV SP.FF InSt Instrument configurationName Description Values Meaning H2OInput 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 User calibration Password configurationExit Exit configuration DC Output CalibrationUser calibration Exit configuration User Calibration EnableCalibration Configuration List User Calibration EnableInput 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
Top Page Image Contents