Kafin gaya wa wannan matsala, da farko, ya kamata mu bayyana a fili game da manufar servo motor, dangane da talakawa motor, da servo motor aka yafi amfani ga daidai matsayi, don haka mu yawanci ce kula da servo, a gaskiya, shi ne. matsayi iko na servo motor.A gaskiya ma, servo motor yana amfani da wasu hanyoyi guda biyu na aiki, wato, sarrafa saurin gudu da sarrafa karfin wuta, amma aikace-aikacen ya ragu.Gabaɗaya ana samun sarrafa saurin sauri ta mai sauya mitar.Ana amfani da sarrafa sauri tare da motar servo gabaɗaya don saurin haɓakawa da raguwa ko daidaitaccen sarrafa saurin gudu, saboda dangane da mai sauya mitar, motar servo na iya kaiwa dubban juyi a cikin ƴan milimita.
Saboda servo yana rufe-madauki, saurin yana da tsayi sosai.Ikon wutar lantarki shine galibi don sarrafa ƙarfin fitarwa na injin servo, kuma saboda saurin amsawar injin servo.Aikace-aikacen nau'ikan sarrafawa guda biyu na sama, zaku iya ɗaukar faifan servo azaman mai sauya mitar, gabaɗaya tare da ikon analog.
Babban aikace-aikace na servo motor ko sakawa iko, don haka wannan takarda mayar da hankali a kan PLC matsayi iko na servo motor.Ikon matsayi yana da adadin jiki guda biyu waɗanda ke buƙatar sarrafawa, wato, gudu da matsayi.Musamman, shine don sarrafa yadda sauri motar servo ta isa inda yake kuma don tsayawa daidai.
Direban servo yana sarrafa nesa da saurin motar servo ta mita da adadin bugun da yake karɓa.Misali, mun yarda cewa servo motor zai juya kowane bugun jini 10,000.Idan PLC ta aika 10,000 a cikin minti daya, motar servo ta kammala da'irar a 1r / min, idan kuma ta aika 10,000 a cikin dakika, motar servo ta kammala da'irar a 60r / min.
Saboda haka, PLC ta hanyar sarrafa bugun jini ne don sarrafa motar servo, hanyar jiki don aikawa da bugun jini, wato, amfani da kayan aikin transistor PLC shine hanyar da aka fi amfani da ita, gabaɗaya PLC mai ƙarancin ƙarewa ta amfani da wannan hanyar.Kuma tsakiyar da babban ƙarshen PLC shine sadar da lamba da mitar bugun bugun jini zuwa direban servo, kamar Profibus-DP CANopen, MECHATROLINK-II, EtherCAT da sauransu.Wadannan hanyoyi guda biyu tashoshi ne kawai na aiwatarwa daban-daban, ainihin iri ɗaya ne, don shirye-shirye, ɗaya ne.Ban da liyafar bugun bugun jini, ikon sarrafa servo drive daidai yake da na inverter.
Don rubutun shirye-shirye, wannan bambanci yana da girma sosai, PLC na Japan shine yin amfani da hanyar koyarwa, kuma PLC na Turai shine yin amfani da nau'i na tubalan aiki.Amma jigon iri ɗaya ne, kamar don sarrafa servo don zuwa cikakkiyar matsayi, kuna buƙatar sarrafa tashar fitarwa ta PLC, lambar bugun jini, mitar bugun jini, hanzari da lokacin ragewa, kuma kuna buƙatar sanin lokacin da servo direba ya cika. , ko cika iyaka da sauransu.Ko da wane irin PLC ne, ba kome ba ne illa sarrafa waɗannan adadi na jiki da kuma karanta sigogin motsi, amma hanyoyin aiwatar da PLC daban-daban ba iri ɗaya ba ne.
Abin da ke sama shine taƙaitawar PLC (mai sarrafa shirye-shirye) mai sarrafa servo motor, sannan mun fahimci shigar da matakan tsaro na PLC mai sarrafa shirye-shirye.
An yi amfani da mai sarrafa shirin PLC a fagage daban-daban, saboda na ciki ya ƙunshi abubuwa da yawa na kayan lantarki, mai sauƙin shafar wasu abubuwan da ke kewaye da kutsawar wutar lantarki, filin lantarki mai ƙarfi mai ƙarfi, yanayin yanayi da zafi, girman rawar jiki da sauran dalilai. yana shafar aikin al'ada na mai sarrafa PLC, yawancin mutane suna yin watsi da wannan.Ko da shirin ya fi kyau, bisa ga hanyar shigarwa ba ta kula da shi ba, bayan cirewa, gudu zai kawo rashin nasara mai yawa.Ina zagayawa ina kokarin kula da shi.
Wadannan sune matakan kariya don shigarwa:
1. PLC shigarwa yanayi
a, yanayin zafin jiki ya bambanta daga digiri 0 zuwa 55.Idan zafin jiki ya yi yawa ko ƙasa da ƙasa, kayan aikin lantarki na ciki ba za su yi aiki da kyau ba.Ɗauki matakan sanyaya ko dumama idan ya cancanta
b, zafi na yanayi shine 35% ~ 85%, zafi yana da yawa, ana haɓaka halayen lantarki na kayan lantarki, sauƙi don rage ƙarfin lantarki na abubuwan da aka gyara, halin yanzu yana da girma da lalacewa.
c, ba za a iya shigar a cikin vibration mita na 50Hz, amplitude ne fiye da 0.5mm, saboda vibration amplitude ne ma girma, sakamakon da ciki da'irar jirgin na lantarki aka gyara waldi, fadi a kashe.
d, ciki da waje akwatin lantarki ya kamata ya zama nisa kamar yadda zai yiwu daga filin maganadisu mai ƙarfi da filin lantarki (kamar mai sarrafa wutar lantarki, babban ƙarfin AC contactor, babban capacitor capacitor, da dai sauransu) kayan aikin lantarki, da sauƙin samar da babban jituwa. (kamar masu canza mita, direban servo, inverter, thyristor, da sauransu) na'urorin sarrafawa.
e, guje wa lodi a wuraren da ƙurar ƙura, lalata, iskar gas mai ƙonewa, danshi, da sauransu
f, yana da kyau a sanya kayan aikin lantarki a cikin ɓangaren sama na akwatin lantarki, nesa da tushen zafi, kuma la'akari da sanyaya da jiyya na fitar da iska idan ya cancanta.
2. Wutar lantarki
a, don samun damar samar da wutar lantarki daidai PLC, akwai wuraren tuntuɓar kai tsaye.Irin su Mitsubishi PLC DC24V;AC irin ƙarfin lantarki ne mafi m shigarwar, kewayon ne 100V ~ 240V (lalacewar kewayon 85 ~ 264), da mita ne 50/60Hz, babu bukatar ja da canji.Zai fi kyau a yi amfani da taswirar keɓewa don samar da wutar lantarki ta PLC.
b, don fitarwar PLC DC24V gabaɗaya ana amfani dashi don tsawaita aikin module wutar lantarki, na'urar firikwensin firikwensin waya uku na waje ko wasu dalilai, kodayake fitarwar wutar lantarki ta DC24V tana da nauyi mai yawa da na'urorin kariyar gajeriyar kewayawa da iyakoki.Ana ba da shawarar cewa firikwensin waya uku na waje ya yi amfani da wutar lantarki mai zaman kanta don hana gajeriyar kewayawa, wanda zai iya haifar da lalacewar PLC kuma ya haifar da matsala mara amfani.
3. Waya da shugabanci
Lokacin da ake yin wayoyi, yakamata a murƙushe shi da kwamfutar hannu mai sanyi sannan a haɗa shi zuwa tashar shigarwa da fitarwa ta PLC.Ya kamata ya zama m kuma amintacce.
Lokacin da shigarwar ta kasance siginar DC, kamar maɓuɓɓugan tsangwama da ke kewaye da ƙari, yakamata suyi la'akari da kebul mai kariya ko karkatacciyar hanya, jagorar kan layi bai kamata ya zama daidai da layin wutar lantarki ba kuma ba za a iya sanya shi a cikin layin layi ɗaya ba, bututun layi, don hana tsangwama.
4. Kasa
Juriya na ƙasa bai kamata ya zama fiye da 100 Ohms ba.Idan akwai sandar ƙasa a cikin akwatin lantarki, haɗa shi kai tsaye zuwa sandar ƙasa.Kar a haɗa shi zuwa sandar ƙasa bayan haɗa shi zuwa sandar ƙasa na sauran masu sarrafawa (kamar masu sauya mitar).
5. Wasu
a, PLC ba zai iya zama a tsaye, a kwance bisa ga shigarwa, kamar PLC yana ɗaure, bisa ga shigarwa na screws don ƙarawa, ba sako-sako ba, idan akwai rawar jiki, lalacewa ga kayan lantarki na ciki, idan katin dogo, dole ne. zaɓi ƙwararrun layin dogo, da farko a ja makullin sannan a cikin layin katin, sannan a tura makullin, bayan mai kula da PLC ba zai iya motsawa sama da ƙasa ba.
b, idan nau'in fitarwa na relay, ƙarfin fitarwa na yanzu shine 2A, don haka a cikin babban kaya (kamar DC clutch, solenoid valve), koda kuwa na yanzu bai kai 2A ba, yakamata yayi la'akari da yin amfani da canjin gudun hijira.
Lokacin aikawa: Mayu-20-2023