PLC Stepper Motor Control: Tseba Lintho tsa Bohlokoa tse utloahalang
PLC Stepper Motor Control: Tseba Lintho tsa Bohlokoa tse utloahalang
Selelekela
Li-PLCs (Programmable Logic Controllers) ke likhomphutha tsa taolo ea indasteri tse nang le meaho ea modular, bonolo, ts'ebetso ea lebelo le holimo, le ts'ebetso e nepahetseng ea data. Ba ipabola ho laola li-motors tsa stepper ba sebelisa li-high-speed pulse outputs kapa mesebetsi ea ho laola motsamao.
Bakeng sa lisebelisoa tse nang le sebaka se tsitsitseng sa ho sisinyeha le lebelo, ho laola li-stepper motors ka PLC le mokhanni oa stepper ke tharollo e nepahetseng.
Litšobotsi tsa Stepper Motors
Proportional Angular Displacement:Ho falla ha angular ea enjene ea stepper e lekana hantle le palo ea phallo ea phallo. Kamora ho potoloha ka botlalo, ha ho na phoso e akaretsang, e netefatsang ts'ebetso e ntle e latelang.
E Bonolo ebile e Tšepahala e Bulehile - Taolo ea Loop:Sistimi e bulehileng ea taolo ea dijithale e entsoeng ka mochini oa stepper motor le mokhanni oa potoloho e bonolo, e theko e tlase, e sebetsa ebile e ka tšeptjoa. E ka boela ea kopanngoa le lupu ea maikutlo a angle ho theha mokhoa o phahameng oa ts'ebetso o koetsoeng - loop system.
Fast Dynamic Karabo:Li-motors tsa Stepper li ka qala kapele, tsa emisa, tsa kgutlela morao le ho fetola lebelo.
Wide Speed Range:Lebelo le ka fetoloa hantle ho pholletsa le mefuta e mengata, ka tlhahiso e phahameng ea torque esita le ka lebelo le tlase.
Tlhokahalo ea Matla a Pulse: Li-motor tsa Stepper li hloka lisebelisoa tsa motlakase tse feto-fetohang 'me ha li khone ho sebetsa ka kotloloho ho matla a AC kapa DC.
Maqhubu a phahameng ka ho fetisisa ao koloi e ka arabelang ntle le ho lahleheloa ke mehato ke "ho qala maqhubu." "Maqhubu a ho emisa" ke lebelo le phahameng ka ho fetisisa leo koloi e ka emang ka eona ka nepo ntle le ho feta sebaka se lebeletsoeng ha lets'oao la taolo le khaoloa ka tšohanyetso. Maqhubu a ho qala ha enjene, maqhubu a ho emisa, le torque e hlahisoang li tlameha ho ts'oana le nako ea boima ba inertia. Ka data ena, ho ka khoneha ho laola lebelo la lebelo la stepper motor.
PLC Taolo ea Stepper Motors
Ha o sebelisa PLC ho laola koloi e tsamaeang ka maoto, bala palo e lekanang ea pulse ea sistimi, moeli oa maqhubu a phahameng a pulse, le palo e phahameng ea pulse u sebelisa liforomo tse latelang ho khetha PLC e nepahetseng le li-module tse sebetsang:
Pulse Equivalent = (Stepper Motor Step Angle × Lead) / (360 × Gear Ratio)
Upper Pulse Frequency Limit = (Lebelo la Movement × Stepper Motor Microstep Setting) / Pulse Equivalent
Maximum Pulse Count = (Movement Distance × Stepper Motor Microstep Setting) / Pulse Equivalent
Coordinate System Setup bakeng sa Taolo ea PLC
PLC e tlameha ho qala ka ho theha sistimi e hokahanyang, e ka bang ea leloko kapa e felletseng. Ka lentsoe la DM6629:
Bits 00 - 03 e lumellana le tlhahiso ea pulse 0.
Bits 04 - 07 e lumellana le tlhahiso ea pulse 1.
Ho beha li-bits tsena ho 0 ho khetha mokhoa o amanang le ho hokahanya, ha o ntse o ba beha ho 1 o khetha mokhoa o feletseng oa ho hokahanya.
Mohlala oa Tšebeliso
Ka taolo e le 'ngoe - kapa tse peli - tsa motsamao oa axis, liparamente tse kang sebaka sa motsamao, lebelo le tataiso li behiloe phanele ea taolo. PLC e bala litlhophiso tsena, e etsa lipalo, 'me e hlahisa matšoao a pulse le tataiso. Matšoao ana a laola mokhanni oa mokhanni oa stepper motor, a khona ho laola hantle sebaka, lebelo le tsela. Liteko tse sebetsang li netefalitse ho tšepahala, ho khoneha, le katleho ea tsamaiso ena.