Automatic mode, Home display | Marathon Computer AACC 2000 specs

Marathon Monitors Inc.

Automatic mode

You will normally work with the controller in automatic mode. If the MAN light is on, press the AUTO/MAN button to select automatic mode. The AUTO light comes on

Power on

x 2

The Home display

Check that the AUTO light is on.

The upper readout shows the measured temperature.

The lower readout shows the setpoint. To adjust the setpoint up or down, press or .

(Note: If Setpoint Rate Limit has been enabled, then the lower readout will show

the active setpoint. If or is pressed, it will change to show and allow adjustment of, the target setpoint.)

Press once

Display units

A single press of will flash the display units for 0.5 seconds, after which you will be returned to the Home display. Flashing of the display units may have been disabled in configuration in which case a single press will take you straight to the display shown below.

Press twice

% Output power demand

The % output power demand is displayed in the lower readout. This is a read-only value. You cannot adjust it.

Press and together to return to the Home display.

Pressing from the Output Power display may access further parameters. These may be in this scroll list if the ‘Promote’ feature has been used (see Chapter 3, Access Level).

When you reach the end of this scroll list, pressing will return you to the Home display.

AACC 2000 Carbon

28

Nov. 1, 1997

Image 28

Marathon Computer AACC 2000 manual Automatic mode, Home display, Display units, Output power demand

Contents

Copyright Marathon Monitors INC Marathon Monitors Inc Mechanical Installation Safety Electrostatic discharge precautionsCleaning Electromagnetic compatibility Safety Symbols WiringPower Isolation Personnel Over-temperature protection Overcurrent protectionVoltage rating Conductive pollution Grounding of the temperature sensor shield Installation requirements for EMCRouting of wires Environmental ratings Equipment ratings Electrical safety General Marathon Monitors Inc Installation Outline dimensions Model Outline dimensions Model 2000 controller To install the controller IntroductionController labels Unplugging and plugging-in the controller Rear terminal layouts Model Aacc 2000 rear terminal layout Marathon Monitors Inc Sensor input connections Module 1, 2 Two terminal modules Snubbers COM Four terminal modulesDual output modules Connections for Process Value 3 in module position Connections for Process Value 2 PV2 Communication module Wiring of 2-wire EIA-485 serial communications link EIA-485 wiring Marathon Monitors Inc Operation 26.0 Front Panel LAYOUTs Button or Name Explanation OP1OP2 SP2 Alarms Basic operation Operating modes Automatic mode Output power demandHome display Display units Manual Mode Setpoint Parameters and HOW to Access Them List header displays Marathon Monitors Inc Parameter displays Parameter namesTo change the value of a parameter 1OFF ListOFF PID PID.1 Fact STD Pass Millivolt input Offset Name Description Prob Probe list Process FactorHydrogen or CO constant Name Description TunE DrADrA.t Adc Pid PID list SEtRES Hcb Setpoint list Input list CmS Comms list Output listInFo Information list Access List FF.OP Alarms Diagnostic alarms Display What it means What to do about it Shows 2b Diagnostic alarms Access Levels Password entry Access list headerAccess to Read-only Configuration Configuration level Configuration passwordLevel selection Setting operator access to a parameter Edit levelReturning to Operator Level Hiding or revealing a complete list Promoting a parameter This sheet intentionally left blank Tuning Parameter Code Meaning or Function One-shot Tuning How to tune Calculation of the cutback values Typical automatic tuning cycleAdaptive tune Manual Tuning Setting the cutback values Proceed as follows Integral action and manual reset Automatic droop compensation Adc Name Description Values Mtr Motor list Min Max Default Motorized valve control Adjusting the minimum on-time ‘mp.t’ Inertia and backlash settings Marathon Monitors Inc Gain scheduling Enable in configuration levelSet the transfer point Configuration Selecting configuration level Press to enter configuration Leaving Configuration Level Changing the passwords REU LIND1SA Enab SB.OP CMS RelyNone DIG YES PMV InSt Instrument configuration Name Description Values MeaningH2O SP.FF Input 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 Comms 1 module config Combining several digital events on to one output 1A b C1 Module 1 configuration Module configCool 2A/b/C Module 2 configuration For ‘id’ = ‘LoG.i’ i.e logic input use the LA Conf’ list on Displayed value low 3A/b/C Module 3 configuration SEL C Module configuration Module configuration VAL.1 Point Custom LinearisationVAL.8 CAL Password configuration Exit Exit configurationDC Output Calibration User calibration User calibration User Calibration Enable Calibration Configuration ListUser Calibration Enable Exit configuration Input list header Offset calibrationCalibration type See table on the right for additional parameters Set Offset Two-point calibration Displayed Value Adjust low-point calibration Select Low-point Calibration Adjust High-point Calibration Select High-point Calibration Calibration points and Calibration offsets Name Parameter description Meaning Parameter 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