XNX Universal Transmitter - Merkantile

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XNX Universal TransmitterThe General Status Screen provides a visual indication of the statusof the XNX. Warnings, faults, alarm levels and current concentrationlevels are displayed continuously.Status IndicatorCurrent Concentration Level(Bar Graph)Current Concentration Level(Numeric)Concentration UnitsFull ScaleAlarm 2 Set PointAlarm 1 Set PointFigure 1-10. General Status Screen - Normal Operating ModeThe Normal Operating Mode icon gives visual indication of properoperation. The XNX display also shows the concentration level of thetarget gas in two different ways. The first, found in the upper right cornerof the display, shows a numeric value in the units selected (ppm, ppb,%LEL, %VOL). The second concentration display is shown in the formof a bar graph representing the current concentration against full scaleand in relation to the defined alarm levels (for more information onsetting range and alarm levels, see Range and Alarms).When a warning is triggered, the Warning icon appears andinformation is displayed on the General Status Screen. The informationdisplayed includes the gas concentration and the warning code (seeSection 5 - Warnings/Faults for more warning code information).Warning IconWarning CodeFigure 1-11. General Status Warning DetailIf the fault icon is displayed, a fault condition has been triggered andthe display will alternate the display of the target gas concentrationand the fault code (see Section 5 - Warnings/Faults for more faultcode information).Fault IconFault CodeFigure 1-12. General Status Fault DetailWhen an alarm icon is displayed, the target gas concentrationexceeds one or both preset alarm levels, the General Status Screendisplays the gas concentration and alarm level exceeded.Alarm IconAlarm Level TriggeredTarget GasConcentrationFigure 1-13. General Status Alarm DetailIn an overrange condition, the alarm icon will display but the target gasconcentration bar graph and alarm setpoints will flash, see illustration below.Alarm Level TriggeredFull ScaleConcentrationConcentration Bar, Alarm Setpoints FlashFigure 1-14. General Status Overrange DetailIn addition to the graphic Alarm, Fault and Warning indicators, the LEDson the front panel will flash in a pattern based on the condition:ConditionAlarm 1Alarm 2WarningFaultHealthLEDRed Green YellowSolidFlashingFlashingSolidFlashingSection 1 - Introduction 1-81.4 The XNX Front Panel
XNX Universal Transmitter1.4.3 Entering the Menu StructureSwiping the magnet over the magnetic switch or gives the useraccess to the XNX to reset faults and/or alarms, display current settingsor make adjustments to the device.NOTE:If the Easy Reset option is set to Lock, users will not have accessto reset alarms and faults. For more information on SecuritySettings for the XNX, see Configure Security.From the General Status menu, ifthe or ‘escape’ magnetic switchis swiped, the Alarm Reset Screenactivates. This allows any userto silence alarms and reset faultsFigure 1-15. Alarm Reset Screen generated by the XNX.Using the switch resets all alarms and faults and returns to theGeneral Status Screen, choosing will return to the General StatusScreen without resetting the alarms and faults.Figure 1-16. The Passcode ScreenUsing the switch will return theuser to the General Status Menu. Ifthe user selects from the GeneralStatus menu, it will activate thepasscode screen.There are two authorization levels that control access based uponthe security level of the user. The passcodes for both levels are set at“0000” from the factory, and must be reset after installation to controlaccess. To change the passcodes, see Configure Security.Level 1 Routine Maintenance Level 2 Technician and Password AdminWarningThe factory-set passcodes must be reset to prevent unauthorizedaccess to the XNX menus.Once the Passcode Screen is displayed, the first passcode digit ishighlighted. Use the switches to increment or decrement throughthe values. Once the correct value is displayed for the first digit, accepts the value and moves to the next digit or will move to theprevious digit of the passcode.Figure 1-17. Entering the PasscodeRepeat for each of the remaining digits in the passcode. If the passcodeis not entered correctly, the Invalid Passcode screen is displayed andthe user is returned to the General Status screen.Figure 1-18. Invalid Passcode ScreenSection 1 - Introduction 1-91.4 The XNX Front Panel
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XNX Universal Transmitter5 Warnings
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XNX Universal Transmitter - Merkantile

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