H134-E1-01A E5_N UsersManual (986777), страница 23
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Protected parameters are not displayed regardless of the conditions for use, but the settings of these parameters are still valid.atDisplayed symbol5-1-3AT Execute/CancelThe E5CN must be in operation, andcontrol must be 2-PID control.Parameter nameConditions for useAbout the Order in Which Parameters Are Described in ThisSectionParameters are described level by level.The first page of each level describes the parameters in the level and the procedure to switch between parameters.114Section 5-2Protect Level5-2Protect LevelThree levels of protection are provided on the E5CN, operation/adjustmentprotect, initial setting/communications protect, and setting change protect.These protect levels prevent unwanted operation of the keys on the frontpanel in varying degrees.Power ONOperationLevelAdjustmentLevelPress the O + M keys;display will flash.Press theO Key less than 1 s.C25100Press the O + MKeys for at least 1 s.Press the O + M Keysfor at least 3 s.
(Seenote.)ProtectLevelControl in ProgressTo move from the operation level to the protect level, press O and M keys forthree seconds (see note) or more.NoteThe time taken to move to the protect level can be adjusted by changing the“Move to protect level time” parameter setting.Protect LevelPageto protect levelpmov MoveDisplayed only when a password115oapt Operation/adjustment116icpt Initial setting/116wtpt Setting change protect116pmsk Parameter mask enable117to move toprlp Passwordprotect level1170is set.M0 protectM1 communications protectMoffMonM0MParameters that are protected will not be displayed and their settings cannotbe changed.115Section 5-2Protect LevelpmovThe “password to move to protectlevel” password must not be set to 0.Move to Protect LevelThe password to move to the protect level is entered for this parameter.• The password to move to the protect level (i.e., the password set for the“password to move to protect level” parameter) is entered for this parameter.Function• The “operation/adjustment protect” parameter will be displayed if the correct password is entered.■ Related ParametersSeeoapticptwtptPassword to move to protect level (protect level): Page 117Operation/Adjustment ProtectInitial Setting/Communications ProtectSetting Change ProtectThese parameters specify the range of parameters to be protected.
Shadedsettings indicate the defaults.■ Operation/Adjustment ProtectThe following table shows the relationship between set values and the rangeof protection.FunctionLevelSettingOperationLevelSet value0Can be displayed1Can be displayed2Can be displayed3Can be displayedPV/SPCan be displayedand changedCan be displayedand changedCan be displayedand changedCan be displayedOthersCan be displayedand changedCan be displayedand changedPVAdjustment LevelCan be displayedand changedCannot be displayed and movingto other levels isnot possibleCannot be disCannot be displayed and moving played and movingto other levels isto other levels isnot possiblenot possibleCannot be displayed and movingto other levels isnot possibleCannot be displayed and movingto other levels isnot possible• Parameters are not protected when the set value is set to 0.■ Initial Setting/Communications ProtectThis protect level restricts movement to the initial setting level, communications setting level, and advanced function setting level.Setvalue116Initial setting levelCommunicationssetting levelAdvanced functionsetting level01Movement possibleMovement possibleMovement possibleMovement possibleMovement possibleMovement not possible2Movement not possibleMovement not possibleMovement not possibleSection 5-2Protect Level■ Setting Change ProtectChanges to settings using key operations are restricted.Set valueOFFDescriptionSettings can be changed using key operations.ONSettings cannot be changed using key operations.
(The protect levelsettings, however, can be changed.)• The all protect indication (pmsk) will light when setting is ON.This parameter is displayed onlywhen a parameter mask has beenset from the Setup Tool.Parameter Mask Enable• This parameter turns the parameter mask function ON and OFF.FunctionSetting rangeon: Enabled, off: DisabledSettingprlpNoteDefaultonA parameter mask can be used to hide the displays of parameters that are notneeded. The parameter mask function is provided by the Setup Tool.Setup Tool: EST2Password to Move to Protect LevelThis parameter is used to set the password to move to the protect level.• To prevent setting the password incorrectly, the U and O keys or D andO keys must be pressed simultaneously to set the password.FunctionSetting range−1999 to 9999SettingDefault0• Set this parameter to 0 when no password is to be set.■ Related ParametersSeeMove to protect level (protect level): Page 116NoteProtection cannot be cleared or changed without the password.
Be careful notto forget it. If you forget the password, contact your OMRON sales representative.117Section 5-3Operation Level5-3Operation LevelDisplay this level to perform control operations on the E5CN. You can setalarm values, monitor the manipulated variable, and perform other operationsin this level.In the advanced function setting level, you can set a parameter to hide orshow the set points.Power ONOperationLevelAdjustmentLevelPress theO Key less than 1 s.Press the O Key for atleast 1 s; display will flash.Press the O Keyfor at least 1 s.C25100Initial SettingLevelPress the O Key for at least 3 s.Control stops.CommunicationsSettingLevelPress theO Key for less than 1 s.Control in progressControl stoppedThis level is displayed immediately after the power is turned ON.To move to other levels, press the O key or the O and M keys.118Section 5-3Operation LevelOperation LevelPage25 Process valueC119PageC25 Process value/set point120Ca-m Auto/manual switch120C120sp-m Set point during SP121ct1 Heater current 1121ct2 Heater current 2122lcr1 Leakage current 1122lcr2 Leakage current 21230M0 rampM0.0 value monitorM0.0 value monitorM0.0 monitorM0.0 monitoral1l Alarm value lower-limit126Cal-2 Alarm value 2125al2h Alarm value upper-limit126al2l Alarm value lower-limit126al-3 Alarm value 3125value upper-limital3h Alarm3127value lower-limital3l Alarm31270MC0 2MC0 2MC0MC0MC0MMprst Program start123sktr Soak time remain124rsetMr-s RUN/STOP1260 1MMset pointm-sp Multi-SPsetting0 monitorMal1h Alarm value upper-limit0 1M0MC1240MMCal-1 Alarm value 1o MV monitor (heating)127c-o MV monitor (cooling)1280.0M0.0M124runMProcess ValueThe “additional PV display” parameter must be set to ON.The process value is displayed on the No.
1 display, and nothing is displayed(blank) on the No. 2 display.FunctionMonitor rangeProcess valueMonitorInput indication range (See page 219.)UnitEUDuring temperature input, the decimal point position depends on the currentlyselected sensor, and during analog input it depends on the “decimal point”parameter setting.■ Related ParametersSeeInput type: Page 146, Set point upper limit, Set point lower limit: Page 149 (initial setting level)119Section 5-3Operation LevelProcess Value/Set PointThe process value is displayed on the No. 1 display, and the set point is displayed on the No.
2 display.Monitor rangeFunctionUnitProcess valueInput indication range (See page 219.)EUSet pointSetting rangeSP lower limit to SP upper limitEUUnitDuring temperature input, the decimal point position depends on the currentlyselected sensor, and during analog input it depends on the “decimal point”parameter setting.Seea-mRefer to the “process value” parameter.Auto/Manual SwitchThe “event input assignment 1/2”parameters must not be set to “auto/manual” and the “auto/manual selectaddition” parameter must be set toON.The control must be set to 2-PIDcontrol.• This parameter switches the Controller between automatic and manualmodes.Function• If the O key is pressed for at least 3 seconds when the “auto/manualswitch” parameter is displayed, the manual mode will be entered and themanual control level will be displayed.• This parameter will not be displayed if an event input is set to “MANU”(auto/manual).■ Related ParametersSeePID ON/OFF (initial setting level): Page 149Auto/manual select addition (advance function setting level): Page 173m-spMulti-SP Set Point Setting(Set Points 0 to 3)The “multi-SP uses” parameter mustbe set to ON.To use the multi-SP function, preset the four set points (SP 0 to 3) in theadjustment level, and then switch the set point either by operating the keys orby using external input signals (event inputs).Function120This parameter is used to select set points 0 to 3.Section 5-3Operation Levelsp-mThe “SP ramp set value” parametermust not be set to OFF.The “ST” parameter must be set toOFF.Set Point During SP RampThis parameter monitors the set point during SP ramp operation.A ramp is used to restrict the change width of the set point as a rate ofchange.FunctionThis parameter is displayed when a set value is input for the “SP ramp setvalue” (adjustment level).When not in ramp operation, the set point will be the same as the one displayed for the “process value/set point” parameter.Monitor rangeSP: SP lower limit to SP upper limitUnitEUMonitor■ Related ParametersSeeProcess value/set point (operation level): Page 120SP ramp set value (adjustment level): Page 143Set point upper limit, Set point lower limit (initial setting level): Page 149ct1Heater Current 1 Value MonitorHeater burnout and HS alarms mustbe supported.Alarm 1 must be assigned.The “heater burnout detection”parameter must be set to ON.This parameter measures the heater current from the CT input used fordetecting heater burnout.This parameter measures and displays the heater current value.Function• Heater burnouts are not detected if the control output (heating) ON time is190 ms or less.Monitor range0.0 to 55.0MonitorUnitA• ffff is displayed when 55.0 A is exceeded.• If a heater burnout is detected, the HA indicator will light, and the relativesetting level will flash on the No.
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