User Guide - Eurotherm Ltda

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nanodac RECORDER/CONTROLLER: USER GUIDEPROGRAM LOAD - QUICK ACCESSFrom firmware version V5.00 and above a quick selection of an internally stored program may be made directlyfrom the Program Summary page. The programmer must be in Reset. Press and hold the scroll keyfor 2 seconds. The page will go immediately to the file explorer page with the ‘User’ drive selected and the‘Operation’ parameter set to ‘Load’. The first program file will be selected (assuming different programshave been configured). Use the Up/Down keys to select the required program followed by the scroll key toload it.If the selected file cannot be loaded (for example, the programmer file is for a different number of channels)then an error message is shown on the file explorer.The Quick Access to load mode adheres to the access security settings set in configuration mode - Programmerset up (Figure 4.8.3).Note: Quick load is disabled when in Edit mode. This is indicated by the highlighted parameter showingthe raise/lower symbol to the right of its value.PVUserRampModeCh1 PSPCh1 TSPPSPReset14.3140.0Events:Status:Seg Time LeftCh1 RateReset00:00:4401Press and holdthe Scroll key for 2secondsKiln1.uipzKiln1 type 2.uipzkiln2.uipzfurnace1 purge.uipzFigure 3.4.9k Program load displayPage 38HA030554Issue 7 Nov 12
nanodac RECORDER/CONTROLLER: USER GUIDEPROGRAM LOAD VIA A PROGRAM NUMBERThis feature has been added to firmware versions V5.00 and above.To allow a program (stored as a file) to be loaded, either via a BCD switch, wired to a set of digital inputs, orvia a single comms transaction, it is necessary to prefix the progam name with a program number in therange 01 to 99. For example, 01kiln1.uipz, 01furnace.uipz, 02kiln2.uipz, 03kiln3.uipz etc. The programname can consist of up to 18 characters. Note that program numbers 1 to 9 must be entered as 01 to 09otherwise they will not be recognised by the switch or via comms.On value change of the program number, the first program file with the prefixed number in the instrument’sinternal User drive (listed lexographically) will be loaded. In the above example if program 01 is selected,01furnace.uipz will be loaded, 01kiln1.uipz will not be loaded using the BCD switch or through comms. Itcan, of course, be loaded manually.If no program number is prefixed it is not possible to load the program via the BCD switch or via comms. Itis, however, still possible to load the program by selecting the file as described in the previous section.Note: When a BCD switch is turned from its current value to another value, intermediate switch positionsmay be seen on the inputs of the BCD function block and could potentially be used by subsequent blockswired from the BCD input. A Settle Time parameter has been introduced which will in effect filter out theseintermediate values by applying a time in which the inputs can settle before their converted decimal valueis seen on the output parameters of the block. The Settle Time can be set from 0-10seconds with a defaultof 0s i.e. no filtering as in previous firmware versions. The BCD block is described in Section 4.19.EXAMPLE BCD SWITCH WIRINGFigure 3.4.9l below shows an example of using digital input channels soft wired to the BCD function blockusing iTools.Figure 3.4.9l BCD Switch WiringFigure 3.4.9m below shows the corresponding hard wiring of a BCD switch.BCD Switch11A1B2AUSB1I1+1-2C2BLALC3ALB812I2+2-3I43BLC4A3+3-LC5A4I4+8NE4-Figure 3.4.9m BCD Switch Physical WiringHA030554Issue 7 Nov 12Page 39
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User Guide - Eurotherm Ltda

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