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8. Çàïóñê è ýêñïëóàòàöèÿ
8.4
Э
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ектронн
ы
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ц
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ф
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в
о
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етр
(ÎÏÖÈß)
Êîíòðîëüíîå óñòðîéñòâî ôèëüòðà îñíàùåíî ïðåîáðàçîâàòåëåì
äàâëåíèÿ ñ âûñîêèì ðàçðåøåíèåì, èñïîëüçóþùèì
ìèêðîïðîöåññîð äëÿ ïðåîáðàçîâàíèÿ öèôðîâîé ðàçíîñòè äàâëåíèÿ
â òðåõ ðåæèìàõ.
•
ðåæèì, îñíîâàííûé íà âðåìåíè (ïðîãðàììèðóåòñÿ
â ìåñÿöàõ) äëÿ îòîáðàæåíèÿ çàìåíû ñìåííîãî ýëåìåíòà
ïî èñòå÷åíèþ ïðåäâàðèòåëüíî óñòàíîâëåííîãî âðåìåíè .
•
ðåæèì ðàçíîñòè äàâëåíèÿ (ïðîãðàììèðóåòñÿ â øàãàõ îò
0,02 äî 1,00 áàð) äëÿ îòîáðàæåíèÿ çàìåíû ñìåííîãî
ýëåìåíòà ïðè íàëè÷èè ïðåäâàðèòåëüíî íàñòðîåííîé
ðàçíîñòè äàâëåíèÿ. Êðîìå òîãî, ñóùåñòâóåò âûáîð ìåæäó
áåçîïàñíîé ðàçíîñòüþ äàâëåíèÿ DP (S) è ôàêòè÷åñêîé
ðàçíîñòüþ äàâëåíèÿ DP (E). „ Ðåæèì(E) “ ðàáîòàåò
ñ ôóíêöèåé çàäåðæêè (2 ìèíóòû) äëÿ èãíîðèðîâàíèÿ
êðàòêîâðåìåííîãî
âîçðàñòàíèÿ
ðàçíîñòè
äàâëåíèÿ,
âîçíèêàþùåãî â ðåçóëüòàòå ñîçäàíèÿ äàâëåíèÿ â ñèñòåìå
èëè ñòðàâëèâàíèÿ äàâëåíèÿ èç íåå. „ Ðåæèì (E) “
îòñëåæèâàåò òîëüêî îáùåå ñîñòîÿíèå ñìåííîãî ýëåìåíòà.
„Ðåæèì (S) “ èñïîëüçóåòñÿ äëÿ î÷åíü
÷óâñòâèòåëüíûõ ñèñòåì
т
а
к
èõ êàê
а
д
сор
б
ц
ионн
ы
е ос
уш
ите
л
и
.
„ Ðåæèì (S) “ ïðåäñòàâëÿåò ñîáîé ðåæèì áûñòðîãî
ðåàãèðîâàíèÿ (5 ñåêóíä) íåçàâèñèìî îò ïðè÷èíû âîçíèêíîâåíèÿ
ðàçíîñòè
äàâëåíèÿ.
•
Èíòåëëåêòóàëüíûé ðåæèì îòîáðàæàåò îïòèìàëüíóþ
çàìåíó.
Âûáîð åäèíèö èçìåðåíèÿ äàâëåíèÿ (áàð, psi è êã/ñì²).
Íà êîíòðîëüíîì óñòðîéñòâå ôèëüòðà ïîïåðåìåííî îòîáðàæàþòñÿ
ñðåäíåå çíà÷åíèå ïàäåíèÿ äàâëåíèÿ, òåêóùåå ïàäåíèå äàâëåíèÿ
è äíè (< 60 äíåé), îñòàâøèåñÿ äî çàìåíû ñìåííîãî ýëåìåíòà.
Íåîáõîäèìîñòü çàìåíû ýëåìåíòîâ îòîáðàæàåòñÿ ñ ïîìîùüþ
ñâåòîâîãî ñèãíàëà íà êîíòðîëüíîì óñòðîéñòâå, à ïðè íàëè÷èè
êîììóíèêàöèîííîãî ïîðòà RJ-11, èíôîðìàöèÿ ìîæåò áûòü
öèôðîâîì âèäå ïåðåäàíà íà ïóëüò óïðàâëåíèÿ.
Ïîëüçîâàòåëü ìîæåò âûïîëíèòü ïðîãðàììèðîâàíèå êîíòðîëüíîãî
óñòðîéñòâà ñ ïîìîùüþ êíîïîê. Ïàðàìåòðû ìîæíî èçìåíèòü â
ëþáîé ìîìåíò.
8. Start-up, operation
8.4 Filter monitor (OPTION)
The filter monitor is equipped with a high resolution pressure
transducer, using a microprocessor to convert digital the pressure
differential in three modes.
•
Time based mode (programable in monthly steps) to indicate
the filter element exchange after a preset time.
•
Pressure differential mode (programable in steps in between
0,02 and 1,00 bar) to indicate the filter element exchange, when a
preset pressure differential exists. Additionally there
is a choice of a security pressure differential DP (S) and an running
pressure differential DP (E). The „(E)-mode“ is
working with a delay function (2 minutes) to ignore short
term pressure differential increases, e.a. due to pressurizing
or depressurizing of a system. The „(E)-mode“ is watching the overall
status of the filter element only. The „(S)-mode“ is in use for very
sensitive systems, such as the „DKAK-P“.
The „(S)-mode“ is a fast reacting mode (5 seconds) regardless from
what the pressure differential is resulting
from.
•
The intelligence mode indicates the optimal change out.
A selection of units of measure for pressure (bar, psi and kg/cm²).
The filter monitor altern ates displaying average pressure drop,
current pressure drop, and days remaining (< 60 days) until element
replacement is required. The need for element replacement is
signalled by a light on the monitor and by the RJ-11 communication
port where the information can be digitally transmitted to the
control room.
On-board buttons allow the user to program the monitor. Program
parameters can be changed at any time.
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5
Íàïðÿæåíèå
Ìàêñ. ðàáî÷åå äàâëåíèå
Ìàêñ. ðàáî÷àÿ òåìïåðàòóðà
Ìàêñ. òåìïåðàòóðà âíåøíåé ñðåäû
Ìèí. òåìïåðàòóðà âíåøíåé ñðåäû
Òî÷íîñòü èçìåðåíèÿ
Ñðîê ñëóæáû - àêêóìóëÿòîðû
Ïîðò
Âûõîäíîé ñèãíàë
3
ба
т
а
ре
й
ки серии
АА
,
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ект пост
а
в
ки не
в
х
о
д
ят
ðàáîòà â 3 ñìåíû â òå÷åíèå 1 1/4 ëåò
ïåðåìåííûé òîê, 5 Â
