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28th January 2021 19:57 #1
Êàêâî å òîâà êîìïþòúðíî óñòðîéñòâî?
Çäðàâåéòå, ñäîáèõ ñå ñ òîçè RS232C-êîíâåðòîð, íî íå óñïÿâàì äà îòêðèÿ ïîâå÷å èíôîðìàöèÿ çà íåãî, êàêâî òî÷íî ïðàâè. Îòâúòðå åëåêòðîíèêàòà å çàïàäíà, ïëàòêàòà å ïðîèçâåäåíà 1994 ã. Êàáåëúò å ñåâëèåâñêè, ùåïñåëúò âàðíåíñêè.
Çíàåòå ëè êàê ïî-òî÷íî è çà êàêâî ñå èçïîëçâà, ìîæåòå ëè äà ìè êàæåòå? Çàñåãà ñàìî ïðåäïîëàãàìå, ÷å å óñèëâàòåë íà ñèãíàë, ïðåäàâàí ïî RS232C ïðåç ÑÎÌ-ïîðòîâå. È ÷å äàííèòå ïðåç íåãî ñå ïðåäàâàò, êàòî óñòðîéñòâàòà ñå ñâúðæàò ïî ãîðå-äîëó ñëåäíàòà ñõåìà: êîìïþòúð - êúñ êàáåë - ÒÎÂÀ - ïî-äúëúã êàáåë - äðóã êîìïþòúð èëè óñòðîéñòâî. Íà ïðàâ ïúò ëè ñìå?
Áëàãîäàðÿ Âè!
Last edited by Deltichko; 28th January 2021 at 19:57.
http://sandacite.bg - Áúëãàðñêèÿò ïîðòàë çà ñòàðà òåõíèêà
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28th January 2021 20:25 #2
Íàé-ïðîñòî êàçàíî óñèëâàòåë íà RS-232 ñèãíàë. Ïîçâîëÿâà äà ïðåõâúðëÿø ñèãíàëà íà 4-5 êì ìåæäó äâå òàêèâà óñòðîéñòâà ïî óñóêàíà äâîéêà (òåëåôîííà ëèíèÿ).
Last edited by dada; 28th January 2021 at 20:26.
485 hp by Takumi Kurosawa.
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28th January 2021 21:10 #3
È ïî-òî÷íî - êîíâåðòîð îò RS232 (COM/serial ïîðò, DB-9 èëè DB-25) ñèãíàëè ïî íèâî (íàïðåæåíèå), êúì òàêèâà ïî òîêîâ êðúã, çà äà ìîæå äà ñå îáìåíÿò äàííè íà ãîëÿìî ðàçñòîÿíèå. Åòî ïîäîáíî óñòðîéñòâî:

Íåîáõîäèìè ñà äâå äâîéêè ïðîâîäíèöè, íàïðèìåð RJ11 êúì òåëåôîííà ëèíèÿ, íà êîÿòî ñà ñâúðçàíè è ÷åòèðèòå ïðîâîäíèêà:
Åòî è ïðèìåðíà ïðèíöèïíà åëåêòðè÷åñêà ñõåìà:
Last edited by rager; 28th January 2021 at 21:47.
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28th January 2021 21:36 #4
Last edited by Deltichko; 29th January 2021 at 09:40.
http://sandacite.bg - Áúëãàðñêèÿò ïîðòàë çà ñòàðà òåõíèêà
Asrock K7NF2-RAID | Athlon XP 2800+ @ 3500+ (185 x 12,5) | 2 GB DDR I 400 | NVidia GeForce MX440 64 MB | 160 GB Maxtor DM 10 + 320 GB Maxtor DM 21 | FSP Hexa 500 W... è îùå ìíîãî äðóãè ñòàðîòåõíèêè
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28th January 2021 22:19 #5
Èçïîëçâà ñå çà óïðàâëåíèå íà åëåìåíòè îò SCADA è íå ñàìî. Êàêâà å öåëòà íà óïðàæíåíèåòî?
âäóì÷èâî îáî âñåì áûë ïðàâ!!!
"÷îâåøêîòî ñúçíàíèå è ìèñëîâíè ïðîöåñè ñà êàòî êîìï è òî íå ëèíóêñ" - Blox
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28th January 2021 22:49 #6
Äà ðàçáåðà ïîâå÷å çà íîâèÿ åêñïîíàò â êîëåêöèÿòà ñè.
Áëàãîäàðÿ çà èíôîðìàöèÿòà.Last edited by Deltichko; 28th January 2021 at 22:49.
http://sandacite.bg - Áúëãàðñêèÿò ïîðòàë çà ñòàðà òåõíèêà
Asrock K7NF2-RAID | Athlon XP 2800+ @ 3500+ (185 x 12,5) | 2 GB DDR I 400 | NVidia GeForce MX440 64 MB | 160 GB Maxtor DM 10 + 320 GB Maxtor DM 21 | FSP Hexa 500 W... è îùå ìíîãî äðóãè ñòàðîòåõíèêè
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28th January 2021 23:43 #7
Ñåãà ñå ñåòèõ êîé ñè, íî ñå íàäÿâàì ÷èñòî òåõíè÷åñêàòà èíôîðìàöèÿ äà å ïîëåçíà íà äðóãè âúâ ôîðóìà
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Thermochill PA120.2+PA120.3+PA140.3|Yate Loon 5xD12SH-12+3xD14SH-12|Laing DDC 2+Toshiba DIYINHK|EK DDC X-Top v2+EK Reservoir|EK Supreme HF #6




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