Yaya ake Rarraba PLCs? Menene Ma'aunin Mahimman Ayyuka?
Yaya ake Rarraba PLCs? Menene Ma'aunin Mahimman Ayyuka?
Ana iya rarraba PLC ta hanyoyi masu zuwa:
Ta Tsarin Tsarin:
Integral PLC (ko Unitary PLC): Duk abubuwan da aka haɗa, gami da samar da wutar lantarki, CPU, da musaya na I/O, an haɗa su cikin gidaje guda ɗaya.
PLC Modular (ko Haɗaɗɗen PLC): Abubuwan da aka haɗa kamar tsarin samar da wutar lantarki, tsarin CPU, da tsarin I/O an tsara su da kansu. Ana iya haɗa waɗannan a kan tsayayyen tara ko waƙa bisa ƙayyadaddun buƙatun aikace-aikacen don samar da cikakken tsarin PLC.
Ƙarfin I/O Point:
Compact PLCs: Yawanci suna da ƙasa da maki 256 I/O, kamar Siemens S7-200SMART PLC.
Matsakaici-Sized PLCs: Yi amfani da tsarin zamani kuma gabaɗaya suna da maki I/O jere daga 256 zuwa 1024, kamar Siemens S7-300 PLC.
Manyan PLCs: Yawancin lokaci suna da sama da maki 1024 I/O, kamar Siemens S7-400 PLC.
Mahimman Ma'aunin Aiki na PLCs:
Yayin da PLCs daga masana'antun daban-daban na iya bambanta da fasali, suna raba ma'auni na gama gari da yawa:
Input/Output (I/O) Maki: I/O maki suna wakiltar adadin shigarwar waje da tashoshin fitarwa da aka haɗa da panel PLC. Yawancin maki I/O akwai, ƙarin ikon sarrafawa da PLC ke da shi. Wannan yana ɗaya daga cikin mahimman abubuwan yayin zabar PLC.
Gudun Dubawa: Wannan awo yana nuna saurin yadda PLC ke aiwatar da shirinta. Yawanci ana auna shi a cikin milli seconds da ake buƙata don aiwatar da umarnin 1K.
Ƙarfin Ajiye: Ana yawan bayyana ƙarfin ajiya a cikin sharuddan kilowords (KW), kilobytes (KB), ko kilobits (Kbit), inda 1K = 1024. Wasu PLCs suna ba da ajiya mai faɗaɗawa.
Saitin umarni: Saitin koyarwa yana nuna ƙarfin aikin software na PLC. Saitin koyarwa mafi arha yana nufin ƙarin ƙarfin shirye-shirye.
Masu Rijistar Cikin Gida (Relays): PLCs sun ƙunshi rajista masu yawa don adana masu canji, sakamako na tsaka-tsaki, da bayanai. Tsarin waɗannan rajistar kuma alama ce ta aikin PLC.
Ƙarfin Ƙarfafawa: Wannan yana nuna yadda PLC za ta iya haɗa ƙarin kayayyaki don ayyuka na musamman, kamar A/D, D/A, ƙidayar sauri, ko na'urorin sadarwa na nesa.
Kwatanta Tsakanin PLCs da Relay Control Systems:
Kafin zuwan PLCs, da'irori masu ƙarfi na relay sune hanyoyin farko na ma'ana da sarrafawa. Sun kasance masu sauƙi kuma masu tsada amma ba su da sassauci. Tun bayan bullo da PLCs, kusan kowane bangare na ayyukansu ya zarce na tsarin sarrafa relay.
Abubuwan Ci gaba na PLCs:
Motsawa zuwa mafi girman aiki, aiki da sauri, da mafi girman iyawa.
Haɓaka hanyoyin sadarwa da damar sadarwa.
Kasancewa ƙarami, mafi tsada-tasiri, da sauƙin amfani.
Ci gaba da inganta ayyukan software na shirye-shirye.
Haɓaka sabbin samfura waɗanda aka keɓance don aikace-aikacen PLC.
Haɓaka ƙaramin haɓakawa da haɓakar tushen software na PLCs.