M衣pi"vtw{隠p"vjằpi"eằpi"pijk羽r"ej栄"{院w"u穎"f映pi"rj逢挨pi"rjƒr"vtw{隠p"f英"nk羽w" n嘘k"vk院r."mjằpi"8欝pi"d瓜0"X噂k"rj逢挨pi"rjƒr"p {"eƒe dkv"8逢嬰e"vtw{隠p"v瑛"dờn g穎k"8院p" bờn nh壱p"o瓜v"eƒej"vw亥p"v詠"vtờn cựng m瓜v"8逢運pi"vtw{隠p0""Xỡ khụng cú 8逢運pi"fÔ{" riờng bi羽v"ocpi"v p"jk羽w"pj鵜r"pờn vi羽e"8欝pi"d瓜"jqƒ"8逢嬰e"vjq違"vjw壱p"vt‒p"e挨"u荏"o瓜v" giao th泳e"vtw{隠p"vjằpi0"Jk羽p"pc{"eƒe"ejw育p"vtw{隠p"f磯p"e„"6"f衣pi<
- RS232 : 8逢嬰e"fựng ch栄"{院w"vtqpi"xk羽e"ikcq"vk院r"8k吋o"- 8k吋o"ik英c"jck"FVG."ik英c" FVG"x "FVẸ"pj逢"ik英c"jck"oƒ{"v pj."RNE"jq員e"RE"x噂k"QR"e栄c"dk院p"v亥p."ik英c"oƒ{" tớnh và mỏy in,modem. Khụng ghộp n嘘k"8逢嬰e"x噂k"vjk院v"d鵜"vj泳"dc0"U穎"f映pi"rj逢挨pi" phỏp truy隠p"vkp"mjằpi 8嘘k"z泳pị"ej院"8瓜"nàm vi羽e"nà hai chi隠w"vqàn ph亥p"*jck"vt衣o"e„" th吋"eựng tham gia thu/phỏt tớn hi羽w"eựng m瓜v"n¿e+0U穎"f映pi"v p"jk羽w"ejờnh l羽ej"8k羽p" ỏp gi英c"jck"fÔ{"f磯p*vtcpuokv"xà receive data) v噂k"8医v0"V嘘e"8瓜"vtw{隠p"ejq"rjfir"v嘘k"8c" n "3;0"4mDf0"TU454"e„"pj逢嬰e"8k吋o"nà chi隠w"fài cho phộp t瑛"52"-:-72o"pj逢pi"e„"逢w" 8k吋o" nà s穎" f映pi" eằpi" uw医v" rjƒv" v逢挨pi" 8嘘k" vj医r" pj運" vt荏" mjƒpi" 8亥w" xào h衣p" ej院" kho違pi"v瑛"5"– 7kY.
-RS422: s穎"f映pi"rj逢挨pi"rjƒr"vtw{隠p"vkp"8嘘k"z泳pi"vjằpi"swc"8k羽p"ƒr"ejờnh l羽ej"8嘘k"
x泳pi"gi英c"jck"fÔ{"f磯p"C"xà B. Nh運"x壱{"ik違o"8逢嬰e"pjk宇w"x "v<pi"ejk隠w"fài dõy d磯p" lờn m瓜v"eƒej"8ƒpi"m吋."v噂k"3422o"oà khụng c亥p"d瓜"n員r0"E„"dc"rj逢挨pi"rjƒr"vtw{隠p" tớn hi羽w<" vtw{隠p" o瓜v" ejk隠w" jq員e" jck" ejk隠w" ikƒp" 8q衣p" e亥p" o瓜v" 8ằk" fÔ{." vtw{隠p" jck" chi隠w"vqàn ph亥p"e亥p"4"8ụi dõỵ RS422 cú kh違"p<pi"ijfir"p嘘k"8k吋o"- 8k吋o"x "8k吋o"- nhi隠w"8k吋o"vtqpi"o瓜v"o衣pi"8挨p"ik違p.e映"vj吋"nà cú duy nh医v"o瓜v"vt衣o"8逢嬰e"rjƒv"xà 10 tr衣o"e„"vj吋"pj壱p"v p"jk羽w0"Vw{"x壱{"vj詠e"v院"TU644"vj逢運pi"ej雨"8逢嬰e"fựng ghộp n嘘k" 8k吋o"- 8k吋o"x噂k"o映e"8 ej"vjc{"vj院"TU452 cho kho違pi"eƒej"vtw{隠p"vjằpi"n噂p"x噂k"v嘘e" 8瓜"ecq"j挨p0"
-RS485:gi嘘pi" TU644" x隠" o員v" 8k羽p" j丑e0" Vw{" pjk‒p" pi逢叡pi" ik噂k" j衣p" swk" 8鵜pj" e栄c" 8k羽p"ƒr"nàm vi羽e"8逢嬰e"p噂k"t瓜pi"tc"mjq違pi"-9X"8院p"34"X"e pi"pj逢"vt荏"mjƒpi"8亥w" vào cho phộp l噂p"i医r"5"n亥p"uq"x噂k"TU6440"A員e"v pj"mjƒe"pjcw"e挨"d違p"e栄c"TU6:7"xà RS422là kh違"p<pi"pijfir"p嘘k"pjk隠w"8k吋o"8逢嬰e"u穎"f映pi"vtqpi"j羽"vj嘘pi"dwu"vt逢運pi0" C映"vj吋"54"vt衣o"e„"vj吋"vjco"ikc"pijfir"p嘘k."8逢嬰e"8鵜pj"8鵜c"ej雨"xà giao ti院r"8欝pi"vj運k" trong m瓜v"8q衣p"TU6:7"oà khụng c亥p"d瓜"n員r"mjq違pi"eƒej"v嘘k"8c"ejq tr衣o"8亥w"xà cu嘘k"nà 1200m. Khụng ph映"vjw瓜e"xào s嘘"vt衣o"vjco"ikc0"V嘘e"8瓜"vtw{隠p"f磯p"v嘘k"8c"nà 10Mbit/s.
3. C医w"vt¿e"e挨"d違p"e栄c"o瓜v"j羽"vj嘘pi"ikƒo"uƒv0"
M瓜v"j羽"vj嘘pi"8k隠w"mjk吋p"xà giỏm sỏt quỏ trỡnh cú cỏc c医w"vt¿e"e挨"d違p"ucw< - C医w"vt¿e"v壱r"vtwpi0"
- C医w trỳc phõn quy隠p0" - C医w"vt¿e"rjÔp"vƒp0"
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3. 1 C医w"vt¿e"v壱r"vtwpi"– Concentrated Architechurẹ
C医w"vt¿e"vkờu bi吋w"e栄c"o瓜v"j羽"vj嘘pi"8k隠w"mjk吋p"v壱r"vtwpi"8逢嬰e"okpj"jq衣"vtờn hỡnh Hỡnh 2. 3. M瓜v"oƒ{"v pj"fw{"pj医v"8逢嬰e"f́pi"8吋"8k隠w"mjk吋p"eƒe"swƒ"vtỡnh con. Cỏc b瓜"e違o"dk院p"xà ch医r"j pj"8逢嬰e"p嘘k"vt詠e"vk院r."8k吋o"8院p"8k吋o*"rqkpv"vq"rqkpv+" v噂k"oƒ{"vỡnh 8k隠w"mjk吋p"vtwpi"vÔo"swc"eƒe"e鰻pi"xào/ ra c栄c"p„0"
Hỡnh 2. 3 C医w"vt¿e"8k隠w"mjk吋p"v壱r"vtwpi
M厩k"d瓜"e違o"dk院p"8逢嬰e"p嘘k"x噂k"o瓜v"e鰻pi"xào và m瓜v"vjk院v"d鵜"ej医r"j pj"8逢嬰e" n嘘k"x噂k"e鰻pi"tc"d茨pi"o瓜v"fÔ{"p嘘k"tkờng bi羽v0""Ak吋o"8ƒpi"ej¿"#"荏"8Ô{"nà s詠"v壱r"vtwpi" toàn b瓜"swƒ"vtỡnh x穎"n#"vjằpi"vkp."f英"nk羽w"xào m瓜v"vjk院v"d鵜"8k隠w"mjk吋p"fw{"pj医v0"
M瓜v"e医w"vt¿e"v壱r"vtwpi"pj逢"x壱{"vj逢運pi"vj ej"j嬰r"ejq"v詠"8瓜pi"jqƒ"eƒe"nq衣k" mỏy múc, cỏc thi院v"d鵜"x瑛c"xà nh臼"d荏k"u詠"8挨p"ik違p."f宇"vj詠e"jk羽p"xà giỏ thành m瓜v"n亥p" ejq"oƒ{"v pj"8k隠w"mjk吋p0"Vw{"pjkờn c医w"vt¿e"pày b瓜e"n瓜"pj英pi"j衣p"ej院"ucw<
‚ Cụng vi羽e"p嘘k"fÔ{"rj泳e"v衣r"ikƒ"vjành cao;
‚ Vi羽e"o荏"t瓜pi"j羽"vj嘘pi"i員r"mj„"mj<p"mjk"vjk院v"d鵜"8亥w"ew嘘k"v<pi"nờn.
‚ A瓜"vkp"e壱{"j羽"vj嘘pi"mfio"fq"rj映"vjw瓜e"xào m瓜v"vjk院v"d鵜"8k隠w"mjk吋p"fw{"pj医v0" A吋" pÔpi" ecq" 8瓜" vkp" e壱{" e栄c" j羽" vj嘘pị" e„" vj吋" fựng thờm m瓜v" oƒ{" v pj" f詠" phũng gi嘘pi"j羽"oƒ{"v pj"ej pj0"Pj逢pi"x医p"8隠"e栄c"ik違k"rjƒp này là v医p"8隠"ikƒ"vjành caọ Cũn nh逢嬰e"8k隠o"vj泳"pj医v"cú th吋"8逢嬰e"mj逸e"rj映e"d茨pi"o瓜v"o衣pi"f磯p"ejwpi"i丑k" n "dwu"vt逢運pi"*hkgnfdwư"vjc{"ejq"fÔ{"p嘘k"vt逢嬰e"vk院r"xà phõn tỏn m瓜v"rj亥p"vt "vw羽" xu嘘pi"e医r"ej医r"j pj0"AÔ{"ej pj"n "zw医v"rjƒv"8k吋o"ejq"eqp"8逢運pi"f磯p"8院p"e医w"vt¿e" phõn tỏn.
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3. 2 C医w"vt¿e"rjÔp"sw{隠p
A吋"mj逸e ph映e"u詠"rj映"vjw瓜e"x q"oƒ{"v pj"vtwpi"vÔo""x "v<pi"v pj"nkpj"jq衣v" c栄c" j羽" vj嘘pị" vtqpi" e医w" vt¿e" rjÔp" sw{隠p." o厩k" swƒ" vtỡnh con(ho員e" o厩k" pj„o" swƒ" trỡnh con) 8逢嬰e"8k隠w"mjk吋p"d茨pi"o瓜v"oƒ{"v pj"tkờng bi羽v"épi"8逢嬰e"8員v"v衣k"rjũng 8k隠w"mjk吋p0"D荏k"eƒe"swƒ"vtỡnh con cú liờn quan h羽"sw違"v鰻pi"j嬰r"v噂k"pjcw."8吋"8k隠w" khi吋p"swƒ"vtỡnh t鰻pi"j嬰r"e亥p"vjk院v"e„"u詠"j嬰r"vƒe"ik英c"ej¿pi"x噂k"pjcw0"Trong ph亥p" l噂p"eƒe"vt逢運pi"j嬰r.o瓜v"oƒ{"v pj"vtwpi"vÔo"8逢嬰e"8吋"8k隠w"mjk吋p"e医r"ecq"e pi"pj逢"8吋" ph嘘k"j嬰r"u詠"jq衣v"8瓜pi"e栄c"eƒe"oƒ{"rjÔp"sw{隠p"pj逢"8逢嬰e"oằ"v違"vtờn
Hỡnh 2. 4. Mỏy tớnh ph嘘k"j嬰r"pày cú th吋"vjw瓜e"eựng c医r"8k隠w" mjk吋p"jq員e" thu瓜e"e医r"8k隠w"jành, tu "vjgq""eƒe"ej泳e"p<pi"8逢嬰e"vj詠e"jk羽p0"
Hỡnh 2. 4:C医w"vt¿e"8k隠w"mjk吋p"rjÔp"sw{隠p
Eƒe"oƒ{"v pj"8k隠w"mjk吋p"8逢嬰e"m院v"p嘘k"x噂k"pjcw"xà v噂k"oƒ{"vnh ph嘘k"j嬰r"sua m衣pi"8逢嬰e"i丑k"nà bus x穎"n#0"Chỳ ý s詠"rjÔp"dk羽v"ik英c"eƒe"mjƒk"pk羽o"dwu"vt逢運pi"xà bus x穎"n#"mjằpi"d逸v"dw瓜e"p茨o"荏"u詠"mjƒe"pjcw"x隠"mk吋w"dwu"8逢嬰e"z穎""f映pi"oà 荏"o映e" 8kej"u穎"f映pi"– hay núi cỏch khỏc là 荏"eƒe"vjk院v"d鵜"8逢嬰e"m院v"p嘘k0"Khi núi t噂k"dwu"x穎" lý, ta ngh"vt逢噂e"j院v"8院p"o衣pi"m院v"p嘘k"eƒe"vjk院v"d鵜"vjằpi"vkp"荏"e医r"8k隠w"mjk吋p*荏"8Ô{" ej pj"n "eƒe"oƒ{"v pj"8k隠w"mjk吋p+"x噂k"pjcw"jq員e"x噂k"eƒe"vjk院v"d鵜"vtờn c医r"8k隠w"jành. Vtqpi"mjk"8„"mjƒk"pk羽o"dwu"vt逢運pi"vj逢運pi"8逢嬰e"fựng ch雨"o衣pi"m院v"p嘘k"eƒe"vjk院v"d鵜" g亥p"x噂k"swƒ"vtỡnh k悦"vjw壱v"– t泳e"eƒe"vjk院v"d鵜"荏"e医r"ej医r"jành và cú th吋"荏"e違"e医r"8k隠w" khi吋p0"Trong m瓜v"u嘘"ik違k"rjƒr."o瓜v"mk吋w"dwu"fw{"pj医v"8逢嬰e"u穎"f映pi"8逢嬰e"fựng cho c違"jck"o映e"8 ej"pàỵ
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3. 3 C医w"vt¿e"rjÔp"vƒp
A員e"8k吋o"e栄c"o瓜v"e医w"vt¿e"8k隠w"mjk吋p"rjÔp"vƒp"là vi羽e"rjÔp"vƒp"ej泳e"p<pi" x穎"n#"vjằpi"vkp."ej泳e"p<pi"8k隠w"mjk吋p"vjgq"ejk隠w"t瓜pi"e pi"pj逢"vjgq"ejk隠w"uÔw"m院v" h嬰r"x噂k"z穎"f映pi"o衣pi"vtw{隠p"vjằpi"vjc{"ejq"rj逢挨pi"rjƒr"p嘘k"fÔ{"xà b茨pi"8k羽p" vjằpi"vj逢運pi0""Dờn c衣pj"ik違k"rjƒr"u穎"f映pi"eƒe"e映o"xào /ra t衣k"ej厩"xà cỏc thi院v"d鵜" ch医r"j pj"vjằpi"okpj."pi逢運k"vc"eũn 8逢c"eƒe"oƒ{"v pj"8k隠w"mjk吋p"pj臼*pj逢"eƒe"d瓜" 8k隠w"ej雨pj."xk"8k隠w"mjk吋p+"zw嘘pi"eƒe"x鵜"vt "i亥p"m隠"x噂k"swƒ"vtỡnh k悦"vjw壱v0"
Hỡnh 2. 5 m瓜v"x "f映"vkờu bi吋w"e栄c"o瓜v"j羽"vj嘘pi"8k隠w"mjk吋p"rjÔp"vƒp"fựng gi違k"rjƒr" h厩p"j嬰r"8逢嬰e"ejkc"nàm khu v詠e<
‚ Vtwpi"vÔo"8k隠w"jành quỏ trỡnh bao g欝o""eƒe"vt衣o"eằpi"pij羽"GU*Gpikpggtkpi" Station), tr衣o" vjcq" vƒe" QU" *qrgtcvkqp" uvcvkqp+" xà tr衣o" rj映e" x映" UU" *Ugtxgt" Station).
‚ Vtwpi"vÔo"8k隠w"mjk吋p"dcq"i欝o"eƒe"oƒ{"v pj"8k隠w"mjk吋p"pj逢"RNẸ"oƒ{"v pj" cụng nghi羽r" KRE" xà cỏc mỏy tớnh ph嘘k" j嬰r" 8逢嬰e" p嘘k" x噂k" pjcw" xà n嘘k" nờn vtwpi"vÔo"8k隠w"jành quỏ trỡnh qua bus x穎"n#"*vj逢運pi"fựng Ethernet).
‚ Khu v詠e"i亥p"x噂k"swƒ"vtỡnh k悦"vjw壱v"dcq"i欝o"eƒe"d瓜"8k隠w"mjk吋p"v衣k"ej厩"pj逢" cỏc b瓜" xk" 8k隠w" mjk吋p" OE*oketq" eqpvtqnngt+" jc{" eƒe b瓜" 8k隠w" mjk吋p" vjw" g丑p*eqorcev" eqpvtqnngt+.eƒe" e映o" xào /ra t衣k" ej厩." eƒe" vjk院v" d鵜" e違o" dk院p" xà ch医r" j pj" 8逢嬰e" p嘘k" n‒p" vtwpi" vÔo" 8k隠w" mjk吋p" swc" dwu" vt逢運pi*x " f映" Profibus,Foundation fieldbus…).
Trong th詠e"v院."vw "vjgq"v pj"ej医v"泳pi"f映pi"xà th吋"nq衣k"swƒ"vtỡnh k悦"vjw壱v"oà c医w" trỳc phõn tỏn cú th吋"8挨p" ik違p"jqƒ"jq員e" o荏"t瓜pi"j挨p0"Từ ràng c医w"vt¿e"rjÔp"vƒp" 8逢嬰e"vj吋"jk羽p"荏"pj英pi"8k吋o"ucw<
Ti院v"mk羽o"fÔ{"p嘘k"xà c鰻pi"p嘘k"fÔ{"pj運"o衣pi"vtw{隠p"vjằpi0"
‚ Hi羽w"uw医v"e pi"pj逢"8瓜"vkp"e壱{"v鰻pi"vj吋"e栄c"j羽"vj嘘pi"8逢嬰e"pÔpi"ecq""pj運"s詠" phõn tỏn ch泳e"p<pi"zw嘘pi"e医r"f逢噂k0"
‚ A瓜"nkpj"jq衣v"ecq."vkpj"p<pi"o荏"vtqpi" xk羽e" o荏"t瓜pi"j羽"vj嘘pị"owc"u逸o" xà thay th院"vjk院v"d鵜."pÔpi"e医r"xà c違k"v衣q"o噂k"eƒe"ej逢挨pi"vtỡnh ph亥p"o隠o"泳pi" d映pi0"
Chớnh t瑛"eƒe"{ờu c亥w"d泳e"vjk院v"v瑛"rj c"pi逢運k"z穎"f映pi"nà ph違k" ik違o"giỏ thành vtqpi"mjk"eƒe"v pj"p<pi"m悦"vjw壱v"rj違k"8違o"d違q."e瓜pi"x噂k"eƒe"vk院p"d瓜"x逢嬰v"d壱e"vtqpi" cụng ngh羽"xk"8k羽p"v穎"xà cụng ngh羽"vjằpi"vkp"8„"8„pi"xck"vtũ quy院v"8鵜pj"vtqpi"u詠" chuy吋p"j逢噂pi"eƒe"ik違k"rjƒr"8k隠w"mjk吋p"v詠"8瓜pi"ucpi"f衣pi"e„"e医w"vt¿e"rjÔp"vƒp0"
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Hỡnh 2. 5:C医w"vt¿e"vkờu bi吋w"e栄c"j羽"8k隠w"mjk吋p"rjÔp"vƒp"FEU
4. H羽"vj嘘pi"8k隠w"mjk吋p"rjÔp"vƒp"FEU
4. 1 Khỏi ni羽o"x隠"j羽"vj嘘pi"8k隠w"mjk吋p"rjÔp"vƒp"FEU
H羽"vj嘘pi"8k隠w"mjk吋p"rjÔp"vƒp"8逢嬰e"jk吋w"pj逢"n "j羽"vj嘘pi"f詠c"vtờn cỏc ph亥p" c泳pi" xà ph亥p" o隠o" 8k隠w" mhi吋p" xà thu th壱r" f英" nk羽w" vt‒p" e挨" u荏" o瓜v" 8逢運pi" vtw{隠p" thụng tin t嘘e"8瓜"ecq."eƒe"oqfwng"8逢嬰e"rjÔp"vƒp"xà t鰻"ej泳e"vjgq"o瓜v"e医w"vt¿e"pj医v" 8鵜pj"x噂k"o瓜v"ej泳e"p<pi""pjk羽o"x映"tkờng. Cỏc thi院v"d鵜"ikcq"vk院r"vt‒p"8逢運pi"vtw{隠p" t嘘e"8瓜"ecq"pày cho phộp nghộp n嘘k"f宇"fàng v噂k"eƒe"vjk院v"d鵜"piq衣k"xk"mjƒe"pj逢"RNẸ" eƒe"oƒ{"v pj"8k隠w"mjk吋p"ikƒo"uƒv0"
Gi嘘pi" pj逢" v‒p" i丑k" x隠" j羽" vj嘘pi" 8k隠w" mjk吋p" ikƒo" uƒv" *Fkuvtkdwvgf" Eqpvtqn" System) cỏc ch泳e"p<pi"8k隠w"mjk吋p"8逢嬰e"rjÔp"d嘘"mj逸r"j羽"vj嘘pi"8吋"vjc{"ejq"xk羽e"z穎" lý t壱r"vtwpi"vtờn m瓜v"oƒ{"v pj"8挨p"n飲0""Pj運"8„"jk羽w"p<pi"v鰻pi"vj吋"e栄c"j羽"vj嘘pi"8逢嬰e" nõng caọ M瓜v"j羽"vj嘘pi"FEU"vkờu bi吋w"e„"eƒe"vt衣o"8k隠w"mjk吋p"jq衣v"8瓜pi"8瓜e"n壱r"xà 8k隠w"mjk吋p"v瑛pi"d瓜"rj壱p"ejw{ờn d映pi"e栄c"j羽"vj嘘pi"8k隠w"mjk吋p0"J挨p"p英c"vtqpi"j羽" th嘘pi" e„" o瓜v" xài tr衣o" 8k隠w" j pj" 8吋" ikƒo" uỏt cỏc d英" nk羽w" vtqpi" eƒe" vt衣o" 8k隠w" khi吋p.ewpi"e医r"eƒe"ikcq"fk羽p"8欝"jq衣"x "ejq"rjfir"pi逢運k"x壱p"jành th詠e"jk羽p"eƒe"vjc{" 8鰻k"o瓜v"eƒej"f宇"fàng.
AÔ{"n "o瓜v"oằ"v違"o荏"t瓜pi"x隠"o瓜v"j羽"vj嘘pi"FEU"pj逢pi"oằ"v違"pày c pi"rjự h嬰r" x噂k" o瓜v" j羽" vj嘘pi" i欝o" eƒe" RNE" xà cỏc PC v噂k cỏc ph亥p" o隠o" ikƒo" uƒv" x壱p" j pj0"Ak隠w"pày d磯p"vc"v噂k"o瓜v"8鵜pj"pij c"swcp"vt丑pi"vj泳"jck"e栄c"j羽"vj嘘pi"FEU0"O瓜v" h羽"vj嘘pi"FEU"nà m瓜v"j羽"vj嘘pi"v ej"j嬰r"8亥{"8栄"x噂k"o瓜v"j羽"e挨"u荏"f英"nk羽w"vqàn c映e0" Khụng gi嘘pi" pj逢" eƒe" j羽" vj嘘pi" f詠c" vtờn PLC, ta khụng th吋" u穎" f映pi" eƒe b瓜" 8k隠w" khi吋p"mjƒe"pjcw"xà cỏc tr衣o"8k隠w"jành t瑛"pj英pi"pjà cung c医r"mjƒe"pjcw"t欝k"m院v" h嬰r"ej¿pi"n衣k"x噂k"pjcw0"O瓜v"j羽"vj嘘pi"FEU""nà m瓜v"j羽"vj嘘pi"jqàn ch雨pj."vtqpi"8„" vi羽e"vtw{隠p"vjằpị"vtcq"8鰻k"f英"nk羽w"ik英c"eƒe"d瓜"rj壱p"u胤"mjằpi"8逢嬰e"vj吋"jk羽p"8嘘k"x噂k"
Trang 24
pi逢運k"dựng. Ngoài ra, n院w"o瓜v"8k吋o"*jq員e"mj嘘k"ej泳e"p<pi+"8逢嬰e"v衣q"tc"vtqpi"d瓜"vjỡ ucw"8„."vq p"d瓜"j羽"vj嘘pi"u胤"pj壱p"dk院v"p„0"V泳e"nà khụng c亥p"rj違k"v衣q"o瓜v"e挨"u荏"f英" li羽w"tkờng trong tr衣o"8k隠w"j pj"8吋"rjự h嬰r"x噂k"f英"nk羽w"vtqpi"eƒe"d瓜"8k隠w"mjk吋p"xỡ vjằpi"vkp"8ó 8逢嬰e t詠"8瓜pi"v衣q"tc"vtqpi"vqàn b瓜"j羽"vj嘘pi0"
4. 2 Mụ hỡnh phõn l噂r"e栄c"j羽"vj嘘pi"8k隠w"mjk吋p"FEU<
‚ C医w"vt¿e"8員e"vt逢pi"e栄c"j羽"vj嘘pi"FEU"i欝o"e„"6"n噂r"< ‚ L噂r"K1Q=
‚ Ak隠w"mjk吋p"– Cỏc b瓜"8k隠w"mjk吋p*X "f映"pj逢"HEU"–Tr衣o"8k隠w"mjk吋p"vt逢運pi+= ‚ Ak隠w"jành – Cỏc tr衣o"8k隠w"jành(vớ d映"pj逢"JKU"–tr衣o"ikcq"fk羽p"pi逢運k"oƒ{+= ‚ Thụng tin qu違p"n#- e挨"u荏"f英"nk羽w"xà cỏc tr衣o"sw違p"n#"*x "f映"pj逢"Gzcswcpvwo"
và PRM – Ej逢挨pi"vtỡnh qu違p"n#"vài nguyờn nhà mỏy).
Hỡnh 2. 6 Mụ hỡnh phõn l噂r"j羽"FEU0"
4. 2. 1 L噂r"K1Q
Cỏc b瓜"xào ra c栄c"j羽"vj嘘pi"8逢嬰e"z穎"n#"荏"n噂r"K1Q"d茨pi"o瓜v"vtqpi"dc"eƒej"ucw<
I/O b茨pi"o衣ej"8k羽p"v穎<
Cỏc I/O d衣pi"v逢挨pi"v詠*"pj逢"eƒe"d瓜"8q"ƒr"uw医v."xcp"8k隠w"ej雨pj"x"x00+xà d衣pi"u嘘*Eƒe" relay và cỏc b瓜"ejw{吋p"o衣ej+"e„"vj吋"8逢嬰e"vj詠e"jk羽p"d茨pi"eƒe"rcpgn"o衣ej"8k羽p"v穎" tr詠e"vk院r"v瑛"jk羽p"vt逢運pi0 Panel giao di羽p"K1Q"e„"o瓜v"nq衣v"eƒe"ectf"ikcq"fk羽p"8吋"8逢c" vào x穎"n#"eƒe"f衣pi"v p"jk羽w"xào /rạ
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I/O fieldbus:
Cú nhi隠w"f衣pi"hkgnfdwụ"Rtqhkdwu"xà Hart. Nh英pi"nq衣k"pày cho phộp cỏc sensor và eƒe"e挨"e医w"ej医r"jành cú th吋"8逢嬰e"m院v"p嘘k"x噂k"ikcq"fk羽p"K1Q"vjằpg qua m瓜v"o衣pi"u嘘" 8挨p"8吋"vtcq"8鰻k"eƒe"vjằpi"u嘘"swƒ"vtỡnh và cỏc thụng s嘘"vt衣pi"vjƒk"vjk院v"d鵜0"
Giao ti院r"x噂k"RNE
Cỏc PLC cú th吋"8逢嬰e"p嘘k"x噂k"j羽"vj嘘pi"FEU""d茨pi"xài d衣pi"ectf"ikcq"fk羽p" truy隠p"vjằpị"vj逢運pi"nà trong panel giao di羽p"K1Q."jq員e"8挨p"ik違p"d茨pi"eƒch n嘘k"vt詠e" ti院r"8院p"o衣pi"8k隠w"mjk吋p"vjằpi"swc"oqfwng"vtw{隠pi"vjằpi"x噂k"RNE0"
4. 2. 2 L噂r"8k隠w"mjk吋p
AÔ{"n "p挨k"v壱r"vtwpi"v医v"e違"eƒe"ej泳e"p<pi"8k隠w"mjk吋p0"Eƒe"d瓜"8k隠w"mjk吋p"vtcq" 8鰻k"vjằpi"vkp"x噂k"n噂r"K1Q"8丑e"f英"nk羽w"xào, x穎"n#"eƒe"ej泳e"p<pi"8k隠w"mjk吋p"xà g穎k"eƒe" tớn hi羽w""tc0""Eƒe"vt衣o"8k隠w"mjk吋p"8逢嬰e"jq衣v"8瓜pi"8瓜e"n壱r"x噂k"pjcw"pờn n院w"z違{"tc" s詠"e嘘"o瓜v"vt衣o"u胤"mjằpi"違pj"j逢荏pi"8院p"vt衣o"mjƒe0""A欝pi"vj運k"o瓜v"vt衣o"8k隠w"mjk吋p" cú th吋"vtcq"8鰻k"f英"nk羽w"f宇"fàng v噂k"o瓜v"vt衣o"mjƒe"mjk"z穎"f映pi"rj逢挨pi"rjƒr"vtw{隠p" thụng ngang hàng “ peer to peer” trong m衣pi"8k隠w"mjk吋p0"
4. 2. 3 L噂r"8k隠w"jành
Cỏc tr衣o"8k隠w"jành cung c医r"o瓜v"ikcq"fk羽p"8欝"jq衣"x噂k"eƒe"ej泳e"p<pi"x "eƒe" d英"nk羽w"vtqpi"d瓜"8k隠w"mjk吋p"xà trong quỏ trỡnh x穎"n#"vjằpi"swc eƒe"8欝"vj鵜."eƒe"dƒq" cỏo…
4. 2. 4 L噂r"vjằpi"vkp"sw違p"n#
T医v"e違"eƒe"vjằpi"vkp"荏"o泳e"8瓜"ecq."mjằpi"e亥p"x噂k"xk羽e"8k隠w"mjk吋p"vj運k"ikcp" th詠e"pj逢pi"n "e亥p"vjk院v"8嘘k"x噂k"xk羽e"sw違p"n#"swƒ"vrỡnh lõu dài 8逢嬰e"z穎"n#"vtqpi"n噂r" qu違p"n#0"N噂r"pày g欝o"5"n噂r"pj臼<
‚ Gateway - 8吋"8丑e"f英"nk羽w"v瑛"eƒe"vt衣o"8k隠w"mjk吋p=
‚ E挨"u荏"f英"nk羽w- 8吋"ik英"x "n逢w"n衣k"f英"nk羽w"v瑛"rjÔp"v ej"vt逢噂e= ‚ Qu違p"n#"- 8吋"z穎"n#"vjằpi"vkp"vtqpi"e挨"u荏"f英"nk羽w0"
Gateway:
Vt逢噂e" mkc" o厩k" pjà cung c医r" e„" ikcq" vj泳e" vtw{隠p" vjằpi" 8瓜e" sw{隠p" 8吋" ejq" phộp mỏy ch栄"vtw{"e壱r"f英"nk羽w"v瑛"eƒe"vt衣o"8k隠w"mjk吋p0"Jk羽p"pc{"Oketquqhv"épi"x挨k" m瓜v"u嘘"pjà cung c医r"ej pj"8ó phỏt tri吋p"o瓜v"o映e"vkờu chu育p"nkờn l衣e"i丑k"nà OPC. QRE"n "QNG"ejq"8k隠w"mjk吋p"swƒ"vtỡnh và cho phộp mỏy ch栄"pào c pi"e„"vj吋"m院v"p嘘k" t噂k"FEU"d医v"m 0"QRE"e„"vj吋"8員v"vtqpi"vt衣o"8k隠w"jành ho員e"vtqpi"o瓜v"oƒ{"v pj"8瓜e" l壱r0"
Lずr"e￢"uぞ"fの"nkうw<
D英" nk羽w" e栄c" j羽" vj嘘pi" FEU" rj違k" 8逢嬰e" n逢w" vt英" xà cú m瓜v" u嘘" d瓜" e挨" u荏" f英" li羽w*Fcvcdcug" rcemcig+" 8逢嬰e" vjk院v" m院" ejq" o映e" 8 ej" p {0" Ej¿pi" i欝o" Exaquantum(m瓜v"u違p"rj育o"e栄c"[qmqicyc+"xà PI (m瓜v"u違p"rj育o"8瓜e"n壱r+0"Pj逢pi" rcemcig"p {"8丑e"f英"nk羽w"vjằpi"swc"e鰻pi"QRE""x "n逢w"f英"nk羽w"f逢噂k"f衣pi"hqtocv"e挨" s荏"f英"nk羽w"ejw育p0""Gzcswcpvwo"fựng Server SQL c栄c"Oketquqhv"v逢挨pi"vj ej"x噂k"j亥w"
Trang 26
h院v cỏc package qu違p"n#0"Piqài ra chỳng cũn cung c医r"eƒe"ej泳e"p<pi"mjƒe"pj逢"n逢w" tr英"f英"nk羽w"vt‒p"8 c."pfip"f英"nk羽w."dƒq"eƒq"e挨"d違p"eƒe"ej泳e"p<pi"jk吋p"vj鵜0" Lずr"swＶp"n#< Cú m瓜v"nq衣v"eƒe"rcemcig"mjƒe"pjcw"u印p"e„.ewpi"e医r"eƒe"vjằpi"vkp"mjƒe"pjcw" cho ng逢運k"fựng. Nú g欝o"dƒq"eƒq"ejk"vk院v."8k隠w"mjk吋p"mj嘘k."xà cụng th泳ẹ"sw違p"n#" ngu欝p"oƒ{."sw違p"n#"e違pj"dƒq."v嘘k"逢w"jqƒ"oƒ{"x0"xẩ"Ej¿pi"vtw{"e壱r"f英"nk羽w"v瑛"e挨" s荏"f英"nk羽w"n逢w"pj逢pi"e„"vj吋"ijk"vt詠e"vk院r"v噂k""eƒe"vt衣o"8k隠w"mjk吋p"vjằpi"swc"QRE0" 4. 3 Cỏc mụ hỡnh m衣ng trong h羽"vj嘘pi"8k隠w"mjk吋p"rjÔp"vƒp
K院v"j嬰r"x噂k"eƒe"n噂r"pj逢"vt‒p"n "eƒe"o衣pi"oƒ{"v pj"8吋"nkờn k院v"eƒe"n噂r"x噂k" nhaụ M衣pi"vtcq"8鰻k"t瓜pi"tói v噂k"eƒe"n噂r"pj逢"ucw<
‚ M衣pi"K1Q"– Bus I/O t瑛"zc."Hkgnfdwụ"vtw{隠p"vjằpi"RNE.
‚ M衣pi"8k隠w"mjk吋p"– n嘘k"eƒe"d瓜"8k隠w"mjk吋p và cỏc tr衣o"8k隠w"jành. ‚ M衣pi"fk羽p"t瓜pi"e栄c"pjà mỏy- p挨k"ej泳c"j亥w"j院v"eƒe"vjằpi"vkp"sw違p"n#.
4. 3. 1 Cỏc m衣pi"K1Q
Cú th吋"e„"xài lo衣k"o衣pi"K1Q"8k隠w"8„"rj映"vjw瓜e"xào lo衣k"K1Q"e„"ikcq"fk羽p"x噂k<
Hỡnh 2. 7 : M衣pi"K1Q.
‚ Bus Remote I/O –M瓜v"vt衣o"8k隠u kkhi吋p"e„"eƒe"ectf"ikcq"fk羽p"K1Q"8逢嬰e"v ej" h嬰r" vtqpi" vt衣o" 8k隠w" mjk吋p*x " f映" pj逢" j羽" vj嘘pi" Hkuejgt" xà porter 6). Tuy nhiờn,nh英pi"vt衣o" mjƒe"*pj逢"[qmqicyc"EU322215222+"e„"K1Q"v瑛"zc."v泳e"nà card giao di羽p"K1Q"vƒej"dk羽v"mj臼k"vt衣o"8k隠w"mjk吋p"xà liờn l衣e"x噂k"p„"sua m瓜v" bus remote I/O t嘘e"8瓜"ecq0"
‚ M衣pi"hkgnfdwu"– M瓜v"ectf"hkgnfdwu"vj逢運pi"8員v"vtqpi"o瓜v"mjg"vtờn panel I/O và m厩k"nq衣k"o衣pi"hkgnfdwu"vj逢運pi"z穎"f映pi"o瓜v"nq衣k"ectf"hkgnfdwu"tkờng bi羽v0" ‚ M衣pi"RNE"– Pj逢"x噂k"hkgnfdwụ"ectf"vtw{隠p"vjằpi"vj逢運pi"8員v"荏"o瓜v"mjg"K1O
trờn panel I/O, x穎"f映pi"e鰻pi"ikcq"fk羽p"p嘘k"vk院r."xà m瓜v"u嘘"e„"mj違"p<pi"j厩"vt嬰" chu育p"Gvjgtpgv"xà ph亥p"o‒o"ftkxgt"8逢嬰e"p衣r"xào card cho phộp liờn l衣e"x噂k"
Trang 27
m瓜v"RNE"8員e"dk羽v0"Ej鰯pi"j衣p"pj逢"ikcq"vj泳e"vtw{隠p"vjằpi"e栄c"OqfdwụCĐ" hay Siemens cú th吋"8逢嬰e"p衣r"xào ectf"8吋"nkờn l衣e"x噂k"d医v"m "nq衣k"RNE"pào trong s嘘"8„"jq員e"eƒe"RNE"v逢挨pi"vj ej0"Ikcq"vj泳e"Oqfdwu"nà m瓜v"ejw育p"eằpi" nghi羽r."pjk隠w"nq衣k"RNE"xà cỏc thi院v"d鵜"mjƒe*"vjk院v"d鵜"rjÔp"v ej."eÔp"8k羽p"v穎ẩ) cú th吋"nkờn l衣e"vtờn giao th泳e"pàỵ
4. 3. 2 M衣pi"8k隠w"mjk吋p<
Cỏc tr衣o"8k隠w"mjk吋p"xà cỏc tr衣o"8k隠w"j pj"8逢嬰e"nkờn l衣e"x噂k"pjcw"vjằpi"swc" m瓜v"8逢運pi"vtw{隠p"f英"nk羽w"v嘘e"8瓜"ecq"i丑k"nà m衣pi"8k隠w"mjk吋p0"AÔ{"nwằp"nà m衣pi"8瓜e" quy隠p" e栄c" o厩k" jóng và th逢運pi" u穎" f映pi" rj逢挨pi" rjƒr" vtw{" pj壱r" vj飲" dài Token pasing. M瓜v"o衣pi"o衣pi"8k隠w"mhi吋p"8逢嬰e"逢w"vk‒p"8吋"pj英pi"vjằpi"vkp"pj医v"8鵜pj"nwằp" 8逢嬰e"vtcq"8鰻k"vjgq"o泳e"8瓜"ucw0"Eƒe"oguucig"e違pj"dƒq."vjằpi"vkp"swƒ"vtỡnh và cỏc l羽pj"8k隠w"jành, truy隠p"hkng"jc{"pj壱r"o瓜v"ej逢挨pi"vtỡnh vào m瓜v"vt衣o"8k隠w"mjk吋p0"
4. 3. 3 M衣pi"fk羽p"t瓜pi"e栄c"pjà mỏy
T医v"e違"cỏc thụng tin qu違p"n#"8隠w"e„"u印p"vtờn m衣pi"vjằpi"vkp"sw違p"n#"jq員e" m衣pi"fk羽p"t瓜pi"8逢嬰e"vtcq"8鰻k"vtờn m衣pi"Gvjgtpgv0"
B違pi"40"3"o瓜v"u嘘"j羽"vj嘘pi"FEU"vkờu bi吋w 4. 3. 4 Nh壱p"zfiv
Rừ ràng v噂k"pj英pi"8員e"8k吋o<
‚ Kh違"p<pi"sw違p"n#"eƒe"8亥w"xào /ra analog r医v"v嘘v0"Pj運"e医w"vt¿e"rj亥p"e泳pi"xà ph亥p"o隠ọ"j羽"8k隠w"mjk吋p"e„"vj吋"vj詠e"jk羽p"8欝pi"vj運k"pjk隠w"xũng 8k隠w"ej雨pj, 8k隠w"mjk吋p"pjk隠w"v亥pị"jq員e"eƒe"vjw壱v"vq p"8k隠w"mjk吋p"jk羽p"8衣k<"Pj壱p"f衣pi"j羽" th嘘pị"8k隠w"mjk吋p"vj ej"pijk."v嘘k"逢w"d隠p"x英pị"8k隠w"mjk吋p"vjgq"oằ"jỡnh d詠" dƒq"*ORE+."HwƯƯ{."Pgwtcn."8k隠w"mjk吋p"ej医v"n逢嬰pi*SEƯ0"
‚ Kh違"p<pi"vtw{隠p"vjằpi"<"J厩"vt嬰"pjk隠w"ikcq"vj泳e"vruy隠p"vjằpi"v瑛"e医r"vt逢運pi" 8院p" e医r" sw違p" n#0" Jk羽p" pc{" eƒe" ikcq" vj泳e" p {" 8ó 8逢嬰e" ejw育p" jqƒ" (Profibus,foundation Fieldbus)
‚ A瓜"vkp"e壱{"ecq"pj運"mj違"p<pi"f詠"rjũng:d詠"rjũng kộp 荏"v医v"e違"eƒe"vjành ph亥p" trong h羽"vj嘘pi*Eqpvtqnngt."oqfwn"K1Q."dwu"vtw{隠p"vjằpi+"mj違"p<pi"vjc{"8鰻k" ej逢挨pi"vtỡnh (S穎c"ej英c"x "fqypnqcf+."vjc{"8鰻k"e医w"vt¿e"e栄c"j羽".vjờm b噂v"eƒe"
Nhà cung c医r H羽"vj嘘pi
Yokogawa Yokogawa CS1000/3000
Honeywell Honeywell TDC3000
ABB AB Advant OCS
Fisher and Porter System 6
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thành ph亥p"o "mjằpi"n o"ikƒp"8q衣p."mjằpi"e亥p"mj荏k"8瓜pi"n衣k"swƒ"vtỡnh (thay 8鰻k"qpnkpg+=
‚ E挨"u荏"f英"nk羽w"vtqpi"j羽"n "e挨"u荏"f英"nk羽w"n噂p"e„"v pj"ej医v"vqàn c映e"xà th嘘pi" nh医v
‚ Kh違"p<pi"o荏"t瓜pi"v ej"j嬰r"ecq. Tu鰻k"vj丑"e栄c"泳pi"f映pi"n噂p"*37"-42"p<ơ. Vtqpi"ej逢挨pi"p {."ej¿pi"vc"8ó tỡm hi吋w"eƒej"mjƒk"swƒv"x隠"j羽"8k隠w"mjk吋p"rjÔp" tỏn DCS. Chỳng ta cú th吋"vj医{"t茨pi< DCS là m瓜v"ik違k"rjƒr"m悦"vjw壱v"t磯v"rjự h嬰r"ejq" nh英pi"j羽"vj嘘pi"n噂p."8ũi h臼k"8瓜"vkp"e医{"ecq.8瓜"nkpj"jq衣v"ecq"vtqpi"xk羽e"vjc{"8鰻k"e医w" vt¿ẹ"ej逢挨pi"vtỡnh c栄c"j羽"vj嘘pi0"Ucw"8Ô{"ej¿pi"vc"u胤"pijkờn c泳w"o瓜v"j羽"vj嘘pi"e映" th吋"xà kh違"p<pi"泳pi"f映pi"e栄c"j羽"8k隠w"mjk吋p"rjÔp"vƒp"FEU"xào h羽"vj嘘pi"pàỵ
Trang 29 EJ姶愛PI"5
H烏"VJ渦PI"V衛"A浦PI"JQố"VQÀ NHÀ C曳C"LOHNSON CONTROL Ị Gi噂k"vjk羽w"x隠"j羽"vj嘘pi"v詠"8瓜pi"jqƒ"vqà nhà.
Trong th運k" 8衣k" piày nay, vi羽e" zÔ{" f詠pi" eƒe" vqà nhà cao t亥pi" 8吋" n o" x<p" phũng, tr逢運pi"j丑ẹ"d羽pj"xk‒p."ejwpi"e逢ẩvt荏"pờn ph鰻"dk院p0"Ej¿pi"piày càng tr荏" nờn hi羽p"8衣k."vk羽p"pijk"8吋"rj映e"x映"eƒe"{ờu c亥w ngày càng cao c栄c"eqp"pi逢運k0"Ik違k" phỏp k院v"j嬰r"j羽"vj嘘pi"eƒe"vjk院v"d鵜"e挨"8k羽p"u穎"f映pi"vtqpi"vqà nhà v噂k"eằpi"pij羽"v詠" 8瓜pi"jqƒ"pj茨o"8go"n衣k"mj違"p<pi"v詠"jq衣v"8瓜pi"*j羽"vj嘘pi"thụng giú, h羽"vj嘘pi"ejk院w" sỏng,...+"8ó khụng cũn là 8k隠w"o噂k"o飲"p英c0"Vw{"pjkờn v医p"8隠 s嘘pi"eũn c栄c"ik違k"rjƒr" này l衣k"p茨o"荏"ej厩"nàm sao cú th吋"sw違p"n#"ej¿pi"vtqpi"o瓜v"j羽"vj嘘pi"vj嘘pi"pj医v0"Eƒe" h羽"vj嘘pi"v詠"8瓜pi"jqƒ"vq "pj "*DOƯ"8ó ra 8運k"8吋"ik違k"sw{院v"dài toỏn nàỵ
Nhi羽o"x映"ej pj"e栄c"j羽"vj嘘pi"DOU"n "8k隠w"mjk吋p."ikƒo"uƒv."sw違p"n#"eƒe"vjk院v" b鵜"e挨18k羽p"vtqpi"o瓜v"vũa nhà cao t亥pị"ik¿r"ejq"xk羽e"x壱p"jành, b違q"f逢叡pi"xà qu違p" lý tũa nhà m瓜v"eƒej"vjw壱p"vk羽p."cp"vqàn và ti院v"mk羽o0
H羽"vj嘘pi"DOU"8逢嬰e"rjƒv"vtk吋p"f詠c"vtờn n隠p"mk院p"vt¿e"e栄c"o瓜v"j羽"8k隠w"mjk吋p" phõn tỏn v噂k"eƒe"d瓜"8k隠w"mjk吋p"u嘘"vt詠e"vk院r"FFE *Fktgev"Fkikvcn"Eqpvtqngt+"8逢嬰e"m院v" n嘘k"x噂k"j羽"vj嘘pi"o衣pi"v亥pi"*"Hnqqt"Pgvyqtmư="eƒe"d瓜"8k隠w"mjk吋p."8鵜pj"vw{院p"e医r" ecq" j挨p" nk‒p" m院v" eƒe" FFE" x噂k" j羽" vj嘘pi" o衣pi" Dcemdqpg" e栄c" vũa nhà (TCP/IP). Chu育p"ikcq"vk院r"e栄c"eƒe"j羽"vj嘘pi"p {"vj逢運pi"nà Bacnet.
- Bacnet là chu育p"ikcq"vk院r"8逢嬰e"rjƒv"vtk吋p"d荏k"jk羽r"j瓜k"CUJTCG"e栄c"O悦."p„" 8逢嬰e"vjk院v"m院"tkờng cho m映e"8 ej"8k隠w"mjk吋p"vũa nhà và là 1 giao th泳e"o荏."j厩" tr嬰"v ej"j嬰r"j羽"vj嘘pi"荏"e医r"8瓜"ecq."8鵜pj"pij c"eƒe"dk院p"ejw{ờn d映pi<"Cnctọ" Schedules, Trend, History, …, h厩"vt嬰"eƒe cụng c映"v ej"j嬰r"<"Tgoqvg"eqpvtqn." pgvyqtm"ocpcigogpv."KR"pgvyqtm000"Dcepgv"8cpi"pi {"e pi"8逢嬰e"泳pi"f映pi" r瓜pi"tói trong t医v"e違"eƒe"j羽"vj嘘pi"DOU"e栄c"v医v"e違"eƒe"jóng trờn th院"ik噂k0"X噂k" s詠"tc"8運k"e栄c"jk羽r"j瓜k"eƒe"pjà s違p"uw医v"vjk院v"d鵜"vjgq"ejw育p"Dcepgv."eƒe"thi院v"d鵜" Dcepgv"pi {"e pi"8逢嬰e"pjk隠w"pjà cung c医r"vjk院v"d鵜"JXCE"n詠c"ej丑p"pj逢"n "3" chu育p"ikcq"vk院r"vjằpi"f映pi"xà khụng th吋"vjk院w0
IỊN瓜k"fwpi
1. Cỏc h羽"vj嘘pi"8逢嬰e"8k隠w"mjk吋p"vtqpi"vqà nhà
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1.1. H羽"vj嘘pi"JXCE
Tờn thi院v"d鵜 Ch泳e"p<pi Nguyờp"n#"8k隠w"mjk吋p Chiller Chiller là th詠e"ej医v"nà
m瓜v" oƒ{" n衣pj" eằpi" su医v"n噂p."e„"pjk羽o"x映" cung c医r" p逢噂e" n衣pj" ejq"eƒe"oƒ{"8k隠w"jqà AHU, FCU,... H羽"vj嘘pi"DOU"u胤"8k隠w"mjk吋p"eƒe"ejknngt"ik¿r" chỳng v壱p"jành t詠"8瓜pi"vjgq"eƒe"vj嘘pi"u嘘"pj逢" nhi羽v" 8瓜." 8瓜" 育ọẩd茨pi" eƒe" ej逢挨pi" vtỡnh 8k隠w" khi吋p"8逢嬰e"n壱r"f詠c"vtờn cỏc yờu c亥w"sw違p"n#"x壱p" hành toà nhà. T衣k" rjũng 8k隠w" mjk吋p" vtwpi" vÔo" pi逢運k" x壱p" jành theo dừi 8逢嬰e" vỡnh tr衣pi" jq衣v" 8瓜pi" e栄c" j羽" vj嘘pị" pjk羽v" 8瓜" p逢噂e" xào ra c栄c" t瑛piejknngt." ej院" 8瓜" jq衣v" 8瓜pi" e栄c" eƒe" d挨ọẩA欝pi" vj運k" DOU" eũn qu違p" n#" ƒr" uw医v" trong h羽"vj嘘pi"嘘pi"f磯p"e栄c"j羽"vj嘘pị"8k隠w"mjk吋p" xcp"D{rcuu"8吋"8k隠w"jqà ỏp su医v"ik英c"8逢運pi"e医r" x "8逢運pi"j欝k"mjk"e„"u詠"uck"mjƒe"x隠"8瓜"ejờnh l羽ej" ỏp su医v0 Cooling Tower Cỏc thỏp t違p" pjk羽v" Cooling tower c栄c"
toà nhà cú nhi羽o" x映" t違p"pjk羽v"ejq"eƒe"oƒ{" 8k隠w" jqà (AHU, HEW.ẩ+" 8員v" v衣k" eƒe"
khu v詠e0
P逢噂e"8逢嬰e"v違p"pjk羽v"v瑛"Eqqnkpi"Vqygt"u胤" 8逢嬰e"d挨o"x q"8逢運pi"嘘pi"f磯p"v噂k"eƒe"f p"pi逢pi" t映" Eqpfgpuqt" e栄c" eƒe" TCEW" 8吋" vj詠e" jk羽p" vtcq" 8鰻k" pjk羽v0" Vqàn b瓜" p逢噂ẹ" ucw" mjk" pj壱p" pjk羽v" n逢嬰pi" e栄c" swƒ" vtỡnh trao 8鰻k" u胤" 8逢嬰e" 8逢c" x隠" Eqqnkpi" vqygt" x " 8逢嬰e" nàm mỏt b荏k" sw衣v" ik„0" Ucw" 8„" n衣k" 8逢嬰e" 8逢c" 8院p" eƒe" oƒ{" 8k隠w" jqà t衣q" thành m瓜v"ejw"vtỡnh khộp kớn. H羽"vj嘘pi"DOU"8k隠w" mjk吋p"Eqqnkpi"Vqygt" s胤" 8k隠w" mjk吋p" d瓜" dk院p" v亥p" 8吋" 8k隠w" ej雨pj" v嘘e" 8瓜" qu衣v."mjk"pjk羽v"8瓜"p逢噂e"ecq"vjỡ qu衣v"v<pi"v嘘e"8瓜" 8吋" 8育{" pjcpj" swƒ" vtỡnh làm mỏt, khi nhi羽v" 8瓜" p逢噂e"ik違o"vjỡ qu衣v"8逢嬰e"8k隠w"ej雨pj"ik違o"v嘘e"8瓜0
Trong h羽"vj嘘pi"n¿e"pào c pi"e亥p"d違q"8違o" ỏp su医v"鰻p"8鵜pj"荏"o泳e"ƒr"uw医v"nàm vi羽e0"Mjk"e亥p" gi違o"vtcq"8鰻k"pjk羽v"j羽"vj嘘pi"DOU"u胤"8k隠w"mjk吋p" m荏"xcp"D{rcuu"8吋"p逢噂e"8k"swc"*ik嘘pi"pj逢"v衣k"j羽" th嘘pi" 嘘pi" e栄c" Ejknngt+" f詠c" v p" jk羽w" dƒq" ejờnh l羽ej"ƒr"uw医v"vtqpi"j羽"vj嘘pi"8逢運pi"嘘pi"8逢嬰e"e違o" nh壱p"d荏k"d瓜"e違o"dk院p"ejờnh l羽ej"ƒr"uw医v0"Mjk"e„"
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yờu c亥w" v<pi" n逢w" n逢嬰pi" p逢噂e" ewpi" e医r"ejq"eƒe" oƒ{"8k隠w"jqà, BMS s胤"f詠c"vtờn thụng s嘘"e栄c"u詠" chờnh l羽ej"ƒr"uw医v"8吋"8k隠w"mjk吋p"xcp"D{rcuu"pờu vt‒p"8„pi"d噂v"n衣k."ik違o"n逢w"n逢嬰pi"p逢噂e"8k"v逸v"swc" van. Oƒ{" 8k隠w" hoà - AHU (Air Handing Unit)
Cỏc nhi羽o" x映" e栄c" AHU:
+ Làm s衣ej<"hknvgt + Làm oƒv<"Vtcq"8鰻k" nhi羽v" x噂k" p逢噂e" n衣pj" (chiller water qua coil l衣pj+ + Hỳt 育o<"Fw{"vtỡ 8瓜" 育o"mjằpi"mj + Qu違p" n#" p欝pi" 8瓜" khớ CO2."8違o"d違q"8瓜" s衣ej"e栄c"mjằpi"mj 0
Vi羽e" 8k隠w" mjk吋p" 8k隠w" jq " 8逢嬰e" vj詠e" jk羽p" pj逢" sau:
- Cỏc filter giỳp h羽" vj嘘pi" fw{" vtỡ ch医v" n逢嬰pi" khụng khớ, l丑e" u衣ej" d映k" d育p" vtqpi" mjằpi" mj " 8逢嬰e"8逢c"8院p"8亥w"xào c栄c"8k隠w"jq 0"A吋"sw違p"n#" filter h羽"vj嘘pi"pj壱p"dk院v"hknvgt"d育p1u衣ej."j羽"vj嘘pi" nh運"xào cụng tỏc bỏo chờnh l羽ej"ƒr"uw医v"vt逢噂e"xà ucw"hknvgt."mjk"8„"v衣k"rjũng 8k隠w"mjk吋p"vtwpi"vÔo" pi逢運k"x壱p"jành cú th吋"dk院v"mjk"pào c亥p"vj詠e"jk羽p" vi羽e"x羽"ukpj"hknvgt"jc{"vjc{"vj院"ej¿pi0
- Ak隠w"ej雨pj"pjk羽v"8瓜."nàm mỏt và hỳt 育o0
-"Oƒ{"8k隠w"jqà v壱p"j pj"8吋"vj詠e"jk羽p"xk羽e"8k隠w" jq "mjằpi"mj <"mjk"mjằpi"mj "swc"ik p"vtcq"8鰻k" nhi羽v"e栄c"CJW"DOU"u胤"8k隠w"mjk吋p"8„pi"o荏"xcp" p逢噂e" p„pi" xà l衣pj" v瑛" 2->100%. Khi th詠e" jk羽p" vi羽e"8k隠w"ej雨pj"4"nq衣k"xcp"p {"eƒe"CJW"8ó th詠e" hi羽p"xk羽e"8k隠w"ej雨pj"pjk羽v"8瓜."8瓜"育o"e栄c"mjằpi" khớ.
-"A吋"mk吋o"uqƒv"pjk羽v"8瓜"x "8瓜"育o"vtqpi"eƒe"mjw" v詠ẹ" v医v" e違" eƒe" mjw" x詠e" 8逢嬰e" nàm mỏt b荏k" eƒe" oƒ{" 8k隠w" jqà khụng khớ AHU, khu cụng c瓜pị" cỏc phũng mỏy 8隠w"8逢嬰e"n逸r"8衣v"eƒe"d瓜"e違o"dk院p" nhi羽v" 8瓜" x " 8瓜" 育o" e栄c" mjằpi" mj " vtqpi" rjũng, 8k隠w"pày cho phộp Operator qu違p"n#""8逢嬰e"pjk羽v" 8瓜"vqàn b瓜"eƒe"mjw"x詠e"vtqpi"pjà.
- Ak隠w"ej雨pj"p欝pi"8瓜"mj "EQ2<"A嘘k"x噂k"xk羽e"nàm s衣ej"mjằpi"mj ."n院w"ej雨"f詠c"xào filter l丑e"mj "vjỡ ej逢c" 8栄." vtqpi" oằk" vt逢運pi" jq衣v" 8瓜pi" e栄c" eqp" pi逢運k" e pi" pj逢" e栄c" oƒ{" o„e" nwằp" u違p" ukpj" tc" ngu欝p"mj "vj違k"EQ2. Khi n欝pi"8瓜"mj "pày trong cỏc khu v詠e"v<pi"ecq."eqp"pi逢運k"u胤"e違o"vj医{"o羽v" m臼k" xà khú ch鵜w." p<pi" uw医v" ncq" 8瓜pi" ik違o0" A吋"
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qu違p" n#" ej医v" n逢嬰pi" mjằpi" mj ." vtqpi" eƒe" oƒ{" 8k隠w"jq "8逢嬰e"n逸r"eƒe"d瓜"e違o"dk院p"p欝pi"8瓜"mj " CO2 t衣k" 8逢運pi" 嘘pi" ik„" j欝k" e栄c" eƒe" CJW" jq員e" 8逢嬰e"n逸r"8員v"v衣k"eƒe"rjũng 8q"eƒe"oƒ{"8k隠w"jqà ch鵜w"vtƒej"pjk羽o"z穎"n#"mjằpi"mj ."-"Mjk"p欝pi"8瓜" CO2 trong khụng khớ cao, van tr瓜p" mj " Okzkpi" damper c栄c"CJW"u胤"8逢嬰e"DOU"8k隠w"mjk吋p"8„pi" b噂v"n衣k."xcp"n医{"mj "v逢挨k"Htguj"ckt"fcorgt"u胤"8逢嬰e" m荏"pjk隠w"j挨p"8吋"d鰻"uwpi"vj‒o"n逢嬰pi"mjằpi"mj "
giàu ụxy cho cỏc khu v詠e"pờu trờn.
+ Khi n欝pi"8瓜"EQ2 c栄c"mjằpi"mj "vtqpi"rjũng 荏" m泳e" 8瓜" vj医r."cỏc ĐC s胤" 8k隠w" mjk吋p" eƒe" xcp" tr瓜p" mj " Okzzkpi" fcorgt" o荏" n噂p" j挨p." eƒe" xcp" l医{" mj " v逢挨k" Htguj" Ckt" fcorgt" 8„pi" d噂v" n衣k." mjằpi"mj "8ó 8逢嬰e"nàm l衣pj"v衣k"CJW"荏"ejw"vtỡnh vtcq" 8鰻k" pjk羽v" vt逢噂e" u胤" 8逢嬰e" vƒk" u穎" f映pi" 8吋" vk院v" ki羽o" pjk羽v" n逢嬰pi" *pjk羽v" n逢嬰pi" vtcq" 8鰻k" v衣k giàn vtcq"8鰻k"pjk羽v"e栄c"CJW"ik違o"fq"pjk羽v"8瓜"mj "j欝k" v磯p" 8違o" d違q" v逢挨pi" 8逢挨pi" x噂k" pjk羽v" 8瓜" vtqpi" phũng).
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Trang 33 Oƒ{"8k隠w" hoà FCU (Fan Coil Unit) Ch泳e"p<pi"e栄c"HEW< - L丑e" u衣ej" d映k" vtqpi"