User Guide - Eurotherm Ltda

nanodac RECORDER/CONTROLLER: USER GUIDE3.3.3 Go To View (Cont.)ALARM SUMMARYFor each active alarm, this page displays the channel identifier with alarm number (e.g. C1(2) = channel 1;alarm 2), the channel descriptor, the alarm threshold the current process value and an alarm type symbol.To return to the top level menu, operate the Page key.Notes:1. The background colour to the channel ID is the same as that chosen for the channel.2. A prefix ‘C’ in the channel ID means that this is a measuring channel; A prefix ‘V’ means that thisis a virtual channel (i.e. a totaliser, counter or maths channel)Channel ID(Alarm number)Channel descriptorAlarm SummaryC1(2) Furnace 1 temp 1 750.00 798.39C2(1) Furnace 1 temp 3 750.00 763.89C3(1) Furnace 1 temp 2 590.00 603.39C4(1) Furnace 2 temp 1 645.00 630.71Alarm ThresholdChannel current process valueAlarm Type indicatorPage keyScroll keyFigure 3.3.3b Alarm summary page with acknowledge confirmation displayALARM ACKNOWLEDGEMENTTo acknowledge an alarm from this view:1. Use the up and down arrows to highlight the requiredalarmC1(2)C2(1)C3(1)C4(1)Alarm SummaryFurnace 1 temp 1 750.00 763.26Furnace 1 temp 3 750.00 770.01Furnace 1 temp 2 590.00 595.83Furnace 2 temp 1 645.00 644.332. Operate the scroll button. The ‘Acknowledge alarm’window appears.Acknowledge alarm?No C2(1) All3. Use the up arrow to highlight the relevant field (C2(1) in thisexample), or ‘All’ if all alarms are to be acknowledged.Acknowledge alarm?No C2(1) All4. Operate the scroll key to confirm. If the alarm fails to respond,this may be due to the fact that it has been configured as a ‘Manual’ alarm, and the trigger has not yetreturned to a ‘safe’ (non-alarm) state, or it could be that the instrument is in a logged out state.SYSTEM ALARMSOperating the scroll button whilst the ‘System Alarms’ field is highlighted displays a list of all currently activesystem alarms. Section 3.2.2 contains a list of system alarms and their interpretations. To return to the toplevel menu, operate the Page key.A further operation of the scroll button displays a ‘Help Information’ page, giving the reason for the highlightedalarm.Operate the scroll button again to return to the system alarm display.Page 16HA030554Issue 7 Nov 12