samfurori

2.5 Iyakoki Akwai wasu iyakoki da zaɓuɓɓuka da yawa waɗanda dole ne a yi la'akari da su wajen tsara shigarwar ku. 2.5.1 Iyakan Jiki A cikin aikace-aikacen EPLCG, na farko da na biyu na EPLCG gabaɗaya suna hawa a cikin rak ɗin guda ɗaya, amma ba za a iya kasancewa a cikin ƙirar kulli ɗaya ɗaya ba. Yawancin lokaci ana shigar da su kusa da juna saboda ƙuntatawa tsawon na USB na interlink ko relay panel. Idan tsarin ku yana amfani da kebul na haɗin gwiwa, an daidaita tsayinsa a mita 3. Madadin tsayin kebul ɗin babu. Idan tsarin ku yana amfani da panel relay, daidaitaccen tsayin kebul zuwa EPLCG na biyu shine 2m, amma akwai madadin tsayin kebul. Duk da haka, idan aka yi amfani da kebul na relay panel mai tsawo, dole ne a cire adadin adadin da aka ƙara a cikin kebul na relay panel daga kowane igiyoyin Port 1 da Port 2. Babu shakka, tsayin kebul ɗin mai maye gurbin dole ne ya zama ƙasa da mita 15 (ƙafa 50). 2.5.2 Single vs. Multidrop Cabling Dole ne a sami kebul ɗaya kawai daga tashar jiragen ruwa zuwa PLC, modem, ko mai kula da sadarwa wanda tashar jiragen ruwa zata yi aiki. Idan kana son yin amfani da tsarin multidrop na Modbus, dole ne ka sanya modem na gida a EPLCG tare da modem masu nisa da aka haɗa zuwa kowane PLCs a cikin hanyar sadarwa. Shirye-shiryen yarjejeniya da yawa na Allen-Bradley (AB) koyaushe suna haɗuwa ta hanyar mai sarrafa sadarwa ta AllenBradley (CIM, don Module Interface Sadarwa). Tun da wannan mai kula da sadarwa yana ba da haɗin haɗin kai da yawa, kebul guda ɗaya kawai ake buƙata daga tashar EPLCG zuwa mai sarrafa AB. 2.5.3 Tsawon Kebul Kebul daga tashar jiragen ruwa na EPLCG ba za su iya zama sama da mita 15 na USB ba (ƙafa 50 na USB). Idan nisa zuwa PLC ko mai kula da sadarwa ya wuce wannan iyaka, dole ne ka yi amfani da modem gajere. Dubi ƙaramin sashe na 2.6 don la'akarin modem.