10 Yakakosha PLC Mazano Anoshanda
10 Yakakosha PLC Mazano Anoshanda
Mumazuva ese ePLC maapplication, kugona aya matipi anoshanda anogona kuwedzera kugona kwako uye kushanda. Heano maitiro gumi akakosha ekuchengeta mupfungwa:
1. Grounding Nyaya
PLC masisitimu ane zvakaomesesa zvepasi zvinodiwa. Iyo yakazvimiririra, yakatsaurirwa pasi system inokurudzirwa, uye zvese zvine chekuita nazvo zvinofanirwa kudzika pasi zvakanaka. Kubatanidza mapoinzi akawanda edunhu epasi anogona kukonzera isingatarisirwe mafungu, zvichitungamira kune zvikanganiso zvepfungwa kana kukuvara kwedunhu. Izvi zvinowanzoitika kana nzvimbo dzekugadzika dzakapatsanurwa uye dzakabatana kuburikidza netambo dzekukurukurirana kana masensa. PLC masisitimu anowanzo shandisa imwe - point grounding. Kuwedzera zvakajairika - modhi kupindira kuramba, yakadzivirirwa inoyangarara pasi tekinoroji inogona kushandiswa kune analog masaini. Izvi zvinosanganisira imwe-poinzi pasi pechiratidzo chetambo nhoo uye inoyangarara iyo chiratidzo loop, ine inodzivirira kudzivirira kubva pasi isingasviki 50MΩ.
2. Kuita Nekupindira
Nzvimbo dzemaindasitiri dzinowanzo kwira - uye yakaderera-frequency interference, kazhinji inounzwa kuburikidza netambo dzakabatanidzwa pane - saiti zvishandiso. Pamusoro pekugadzika kwakaringana, matanho anotevera ekurwisa-kupindira anofanirwa kutorwa mukugadzira tambo, kusarudzwa, uye kuisa:
Kune masaini eanalogi, shandisa kaviri - tambo dzakadzivirirwa.
Kune yakakwirira-yekumhanyisa pulse masiginecha, shandisa tambo dzakavharidzirwa kudzivirira kupindira kwekunze uye kudzivirira kukanganiswa neakaderera - level masaini.
Kune PLC tambo dzekukurukurirana, mugadziri - akapihwa tambo anokurudzirwa. Mumashandisirwo asinganyanyi kukosha, akavharidzirwa akamonyoroka - tambo mbiri dzinogona kushandiswa.
Usafambisa mitsara yeanalogi, mitsetse yechiratidzo cheDC, uye mitsara yechiratidzo che AC mumugero mumwe chete.
Tambo dzakavharidzirwa dzinopinda kana kubuda mumakabati ekudzora dzinofanirwa kudzika pasi pamidziyo pasina kupfuura nematerminal.
AC masiginecha, masaini eDC, uye masaini masaini haafanire kugovana tambo imwechete. Tambo dzemagetsi dzinofanirwa kufambiswa zvakaparadzana netambo dzechiratidzo.
Kuti ugadzirise kukanganiswa kwesaiti, shandisa tambo dzakavharidzirwa kune mitsara yakakanganisika uye woidzosera. Neimwe nzira, wedzera anti - interference kusefa kodhi kuchirongwa.
3. Kubvisa Mutsetse - ku - Mutsetse Kukwanisa Kudzivirira Kusashanda
Capacitance iripo pakati pemakondakita echero tambo. Kunyange tambo dzakakwanisa dzine imwe capacitance range. Nekudaro, kana tambo yakareba ichidarika miganhu inokurudzirwa, mutsara - ku-mutsara capacitance inogona kukonzera PLC misoperations. Izvi zvinogona kuguma nezviitiko zvisingatsananguriki, senge wiring chaiyo asi pasina PLC mhinduro yekupinda, kana PLC inopindirana. Kugadzirisa izvi:
Shandisa tambo dzine macores akamonyoroka.
Deredza kureba kwetambo.
Siyanisa zvinopinda zvinokanganisa netambo dzakatsaurirwa.
Shandisa tambo dzakavharidzirwa.
4. Kusarudza Output Modules
Output modules anowanikwa mune transistor, triac, uye relay marudzi:
Transistor - mhando mamodules anopa inokurumidza kushandura kasi (kazhinji 0.2 ms) asi iine yakaderera mutoro wehuwandu (0.2 - 0.3 A, 24 VDC). Iwo akakodzera kukurumidza - kushandura uye masaini - ane hukama zvishandiso uye anowanzo shandiswa nema frequency converter uye DC zvishandiso. Cherechedza kukanganisa kwe transistor leakage ikozvino pamitoro.
Triac - mhando modules ndeyekusangana - ishoma uye inokodzera AC mitoro asi ine shoma yekuremedza huwandu.
Relay - mhando mamodules anotsigira AC uye DC mitoro uye ine yakakwirira mutoro. Iwo ndiwo anowanzo sarudzo yekutanga kune yakajairika kudzora asi ane inononoka switching kumhanya (kutenderera 10 ms), ichiita kuti ive isina kukodzera kune yakakwira - frequency application.
5. Kubata Inverter Pamusoro - Voltage uye Kupfuura - Ikozvino
Kana uchidzikisa kumhanya nekudzikisa kukosha kweseti, mota inogona kupinda yekuvandudza braking mode. Iro simba rinodzoserwa kune inverter rinosimudza vhoriyamu kuyambuka sefa capacitor, inogona kukonzeresa pamusoro - kudzivirira kwemagetsi. Kuti ugadzirise izvi, wedzera yekunze braking resistor kuti iparadze iyo regenerative simba.
Kana inverter ichityaira akawanda madiki mota, kukanganisa kwazvino mune imwe mota kunogona kuita kuti inverter ifambe, ichimisa ese akabatana mota. Kuti udzivise izvi, isa 1: 1 yekuzviparadzanisa transformer pane iyo inverter yekubuda padivi. Izvi zvinogonesa kukanganisa mafairi anovharirwa kune transformer, kudzivirira iyo inverter kubva pakugumburwa.
6. Kunyora Zvinyorwa uye Zvinyorwa zveKugadzirisa Zviri Nyore
MaPLC anodzora masisitimu akaomarara ane akawanda ekuisa uye anoburitsa relay terminals, marambi echiratidzo, uye nhamba yePLC. Kurerutsa kugadzirisa dambudziko:
Gadzira tafura yakavakirwa pane yemagetsi schematic uye uiise pane iyo midziyo control panel kana cabinet. Nyora yega yega PLC yekuisa uye inoburitsa terminal nhamba pamwe neanoenderana zviratidzo zvemagetsi nemazita echiChinese.
Kune avo vasingazive maitiro ekushanda kana madhayagiramu emanera, gadzira PLC yekupinda - inobuda logic basa tafura. Tafura iyi inoratidza hukama hune musoro pakati pemaseketi ekupinza uye ekuburitsa panguva yekushanda.
7. Mhosva Kuongororwa Kushandisa Chirongwa Logic
Nemhando dzakasiyana-siyana dzePLC dziripo, manera - dhayagiramu mirairo yepasi - yekupedzisira PLCs inowanzofanana. Kune akakwira - ekupedzisira maPLC seS7 - 300, zvirongwa zvakawanda zvakanyorwa muzvinyorwa zvakarongwa. Inoshanda manera madhayagiramu anofanirwa kusanganisira zviratidzo zveChinese zviratidzo kuti zvive nyore kunzwisisa. Paunenge uchiongorora kukanganisa kwemagetsi, reverse - lookup nzira inowanzoshandiswa. Kutanga kubva pakukanganisa, tsvaga inoenderana PLC inoburitsa relay uye tsvaga kumashure hukama hune musoro hunodiwa kuti ishandiswe. Chiitiko chinoratidza kuti kuziva nyaya imwe chete kunogadzirisa kukanganisa, sezvo kukanganisa kwakawanda panguva imwe chete kusingawanzo.
8. Kutonga PLC Mhosva
PLCs dzakavimbika zvakanyanya neiyo yakaderera yekutadza mwero. Hardware kutadza senge PLC kana CPU kukuvadzwa, kana zvikanganiso zvesoftware, zvinenge zvisipo. PLC mapoinzi ekuisa haafanire kutadza kunze kwekunge aiswa kune yakakwira - voltage kukanganiswa. Saizvozvo, PLC inoburitsa relay contacts ine hupenyu hurefu kunze kwekunge yaremerwa nekuda kwekutenderera kuremerwa mapfupi maseketi kana dhizaini kukanganisa. Paunenge uchigadzirisa kutadza kwemagetsi, tarisa pazvinhu zvemagetsi zvepamhepo pane kufungidzira PLC hardware kana software nyaya. Iyi nzira yakakosha pakugadzirisa nekukurumidza uye kuderedza kugadzirwa nguva.
9. Kuita Kushandisa Kwakazara kweSoftware uye Hardware Zviwanikwa
Mirairo isingabatanidzwe mune yekudzora loop kana kuvhurwa iyo loop isati yagona kubviswa kubva kuPLC.
Kana mirairo yakawanda ichidzora basa rimwe chete, inogona kubatanidzwa mune yakafanana kunze isati yabatanidzwa kune yekuisa poindi.
Shandisa zvemukati zvakapfava zvikamu zvePLC uye nyika dzepakati kuti uve nechokwadi chekuvimbika kwechirongwa uye kuenderera mberi, zvichiita kuti budiriro ive nyore uye kuderedza mutengo wehardware.
Pazvinogoneka, chengeta imwe neimwe inobuda yakaparadzana kuitira nyore kudzora nekuongorora, uye kuchengetedza mamwe maseketi anobuda. Mhosho mune imwe yekubuda poindi inongokanganisa inoenderana inobuda wedunhu.
Kune zvinobuda zvinodzora bidirectional mitoro, shandisa kupindirana muchirongwa chePLC uye kunze kudzivirira bidirectional mutoro kufamba.
Emergency inomira yePLCs inofanirwa kushandisa ekunze switch kuti ive nechokwadi chekuchengeteka.
10. Zvimwe Zvokuzvidzivirira
Usambofa wakabatanidza AC tambo dzemagetsi kune PLC yekuisa zviteshi kudzivirira kukuvadza iyo PLC.
Grounding terminals inofanirwa kuve yakazvimiririra pasi, isingabatanidzwe munhevedzano nemimwe michina. Waya yekugadzika inofanirwa kunge iine muchinjiko - chikamu chikamu chisingasviki 2mm².
Magetsi ekuwedzera ane simba shoma uye anogona chete simba rakaderera - magetsi emagetsi senge photoelectric sensors.
Mamwe maPLC ane imwe nhamba yeasina kushandiswa kero terminals. Usabatanidza waya kune idzi.
Kana pasina mudziyo wekudzivirira muPLC inobuda wedunhu, sanganisira fuse kana zvimwe zvidziviriro zviri mudunhu rekunze kudzivirira kuremerwa mapfupi - maseketi kubva mukukuvadza sisitimu.