PLC Stepper Ikon Motar: Jagora Mahimman Mahimmanci
PLC Stepper Ikon Motar: Jagora Mahimman Mahimmanci
Gabatarwa
PLCs (Masu sarrafa dabaru na shirye-shirye) kwamfutoci ne masu sarrafa masana'antu tare da sifofi na yau da kullun, sassauƙa, sarrafa saurin gudu, da daidaitaccen sarrafa bayanai. Sun yi fice wajen sarrafa injinan stepper ta yin amfani da babban matakan bugun bugun jini ko ayyukan sarrafa motsi.
Don na'urori masu ƙayyadaddun nisan motsi da sauri, sarrafa injinan stepper ta hanyar PLC da direban stepper shine ingantaccen bayani.
Halayen Stepper Motors
Matsala Tsakanin Angular:Maɓallin kusurwar injin stepper ya yi daidai da ƙididdigar bugun bugun jini. Bayan kowace cikakkiyar jujjuyawa, babu kuskuren tarawa, yana tabbatar da kyakkyawan aiki mai zuwa.
Buɗe Mai Sauƙi da Amintacce - Sarrafa Maɗaukaki:Tsarin sarrafawa na dijital na buɗe- madauki wanda ya ƙunshi injin stepper da da'irar direba mai sauƙi ne, farashi - inganci, kuma abin dogaro. Hakanan za'a iya haɗa shi tare da madaidaicin ra'ayi na kusurwa don samar da babban tsarin aiki rufe - madauki.
Amsa Mai Sauri Mai Sauri:Motocin Stepper na iya farawa da sauri, tsayawa, juyawa, da canza saurin gudu.
Faɗin Gudu:Ana iya daidaita saurin sauri cikin sauƙi a cikin kewayo mai faɗi, tare da babban ƙarfin juyi ko da a ƙananan gudu.
Bukatar Wutar Wuta: Motocin Stepper suna buƙatar bugun bugun jini - nisa - kayan wuta da aka canza kuma ba za su iya aiki kai tsaye akan wutar AC ko DC ba.
Matsakaicin matakan matakan da motar zata iya amsawa ba tare da rasa matakai ba shine "mitar farawa." “Mitar tsayawa” ita ce mitar taku mafi girma wanda injin zai iya tsayawa daidai ba tare da wuce gona da iri ba lokacin da aka yanke siginar sarrafawa ba zato ba tsammani. Mitar farawa motar, mitar tsayawa, da karfin fitarwa dole ne su dace da lokacin rashin aiki. Tare da wannan bayanan, ingantacciyar kulawar sauri na injin stepper yana yiwuwa.
PLC Control of Stepper Motors
Lokacin amfani da PLC don sarrafa motar motsa jiki, ƙididdige tsarin bugun jini daidai, iyakar mitar bugun bugun jini, da matsakaicin ƙidayar bugun jini ta amfani da hanyoyin da ke biyowa don zaɓar PLC da suka dace da kayan aikin aiki:
Matsakaicin bugun jini = (Mataki na Mataki na Mota × Gubar) / (360 × Gear Ratio)
Ƙayyadaddun Mitar Ƙarfin Ƙarfin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙaƙwalwar Ƙaƙwalwar Motsawa × Saitin Motar Mota na Ƙaƙwalwar Ƙaƙwalwar Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwalwa
Matsakaicin Ƙididdigar bugun bugun jini = (Nisan Motsawa × Saitin Motar Microstep Stepper) / Kwatankwacin Pulse
Daidaita Saitin Tsarin don Kula da PLC
Dole ne PLC ta fara kafa tsarin daidaitawa, wanda zai iya zama dangi ko cikakke. A cikin kalmar DM6629:
Bits 00-03 yayi daidai da fitarwar bugun jini 0.
Bits 04 - 07 yayi daidai da fitarwar bugun jini 1.
Saita waɗannan ragowa zuwa 0 yana zaɓar tsarin haɗin kai na dangi, yayin saita su zuwa 1 yana zaɓar tsarin haɗin kai cikakke.
Misalin Aikace-aikace
A cikin sarrafa motsi guda ɗaya-ko dual-axis, ana saita sigogi kamar nisan motsi, saurin gudu, da alkibla akan rukunin sarrafawa. PLC tana karanta waɗannan saitunan, tana yin lissafi, kuma tana haifar da bugun bugun jini da sigina. Waɗannan sigina suna sarrafa direban motar stepper, samun daidaitaccen iko na nesa, gudu, da shugabanci. Gwaje-gwaje na zahiri sun tabbatar da dogaro, yuwuwar, da ingancin wannan tsarin.