User Guide - Eurotherm Ltda

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nanodac RECORDER/CONTROLLER: USER GUIDE3 OPERATIONOn power up a default or customsplash screen appears and remains visible whilst the unit is initialising.If during this process a network broadcast storm is detected, the unit stops, displaying anetwork failure icon until the broadcast storm has cleared, after which the initialisation processresumes.3.1 INTRODUCTIONThe operator interface consists of a display screen and four push buttons.3.1.1 Display ScreenThe display screen is used both to display channel information (in one of a number of display modes), andto display the various configuration screens which allow the user to setup the recorder to display the requiredchannels, to set up alarms and so on. Display modes are described in Section 3.4 below; configurationis described in Section 4.In display mode, the screen is split horizontally into three areas (figure 3.1.1)1. a faceplate giving channel details.2. the main display screen showing channel traces etc.3. the status area, displaying instrument name, the current time and date and any system icons.FaceplateChannel 1 6.23VMain display screenStatus areaInstrument name12:01:08Figure 3.1.1 Display mode screen (vertical trend)In configuration mode, the entire display screen is devoted to the selected configuration menu.3.1.2 Navigation PushbuttonsHomeConfigurationGo to ViewHistoryFaceplate cycling (On)Operator NotesDemand ArchivingLog outFigure 3.1.2 Top level menu (Engineer level access)There are four navigation buttons, called ‘Page’, ‘Scroll’, ‘Lower’ and ‘Raise’ located below the screen. Thegeneral properties of these buttons are described in the remainder of this section, but some have additional,context sensitive functions, which, for the sake of clarity are not described here but in the relevant sections(e.g. ‘Message summary’) of the manual.Page 8HA030554Issue 7 Nov 12
nanodac RECORDER/CONTROLLER: USER GUIDE3.1.2 Navigation Pushbuttons (Cont.)PAGE BUTTONFrom any non-configuration page, pressing this push button causes the top level menu (figure 3.1.2) to appear.The figure shows the menu for a user logged in with ‘Engineer’ level access. Other access levels mayhave fewer menu items.Within configuration pages, the Scroll button can be used as an enter key to select lower menu levels. In suchcases the page button is used to reverse this action, moving the user up one menu level per operation.SCROLL BUTTONFrom trending pages, operation of the scroll push-button scrolls through the channels enabled in the group.The Faceplate cycling ‘Off’ selection can be used to keep a particular channel permanently displayed, andthe scroll pushbuttons can then be used to select channels manually.In configuration pages, the scroll key operates as an ‘enter’ key to enter the next menu level associated withthe highlighted item. Once the lowest menu level is reached, operation of the scroll key allows the value ofthe selected item to be edited by the relevant means (for example, the raise/lower keys, or a keyboard entry).The ‘Page’ key is used to move the user back up the menu structure, until the top level menu is reached,when the scroll key can be used again to return to the Home page.The scroll button is also used to initiate user wiring as described in Section 7.RAISE/LOWER BUTTONSWithin trending displays, the Raise and Lower keys can be used to scroll through the enabled display modesin the sequence: vertical trend, horizontal trend, vertical bargraph, horizontal bargraph, numeric, verticaltrend... and so on.Within configuration pages, these pushbuttons act as cursor keys, allowing, for example, the user to highlightmenu items for selection using the scroll button, and in many cases allowing the user to select one froma number of alternative values within menu items. These keys are also used to navigate through the virtualkeyboards (Section 3.6) and number pads used to enter text or numeric strings.3.1.3 On Screen HelpThe top level configuration menu includes contextual help text on the right-hand half of the screen. Mostlythis text fits within on screen height. Where this is not the case, the text can be moved up or down the screenby holding the Page button operated whilst using the up and down arrows to move the text.The down arrow moves the text upwards on the screen; the up arrow moves it downwards.Select configuration menuLogic (2 Input)Logic (8 input)MultiplexerMath (2 input)Timer<strong>User</strong> valuesAlarm SummaryThe timer functionblock offers a universaltimer which may bere-configured betweensingle pulse outputsand re-triggeringoutputs. Timer typesare:On pulse on-timer.On-screen help.(Use the Page button with thedown arrow to access hiddentext at the bottom of the screen)+Figure 3.1.3 On-screen help (typical)HA030554Issue 7 Nov 12Page 9
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User Guide - Eurotherm Ltda

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