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 na gajeren lokaci. Dubi ƙaramin sashe na 2.6 don la'akarin modem. Shirye-shiryen, Shigarwa, da Sabis na EPLCG2-10 5/01 2.5.4 2.5.4 Haɗin Kai tsaye Idan kuna haɗa PLC guda ɗaya (ko mai kula da sadarwa na AB) zuwa ɗayan tashar jiragen ruwa kuma tsayin kebul daga EPLCG zuwa PLC bai wuce mita 15 na USB ba, zaku iya amfani da hanyar haɗin kai tsaye ta EIA-232. A cikin wannan tsari, kebul ɗin EIA-232 wanda Honeywell ke bayarwa dole ne a haɗa shi musamman zuwa mai haɗawa wanda ke haɗa PLC ɗin ku. Matsakaicin sassan 3.2.7 da 3.2.8 suna nuna tsare-tsare na waya na USB don nau'ikan PLC da na'urori masu mu'amala. 2.6 EPLCG TO PLC CONNECTIONS 2.6.1 Amfanin Modem da Zaɓin Haɗin kai tsaye, modem gajere (wani lokaci ana kiran layin-direba), ko na'urorin sauya sigina za a iya amfani da su tare da EPLCG. Kamar yadda aka ambata a baya, haɗin kai tsaye yana iyakance zuwa iyakar mita 15 na USB tsakanin EPLCI I/O ko katin Relay. Masu canza sigina na'urori ne waɗanda ke musanya sigina tsakanin EIA-232 da EIA-422 ko -485, kuma ana amfani da su don samar da tsawaita nisa ko daidaitawar ɗigo. Modem na ɗan gajeren lokaci yana gabatar da ƙirar kayan masarufi na EIA-232 zuwa EPLCG ko PLC kwatankwacin wanda modem ɗin tarho na al'ada ya gabatar. Modem ɗin gajeriyar hanya, duk da haka, yana amfani da layin sadaukarwa (ba layin tarho ba) kuma yana iya ɗaukar 'yanci tare da ƙa'idar keɓancewa wacce ba za'a karɓa ba a cikin sadarwar modem ta al'ada. Ba a saba amfani da modem na wayar tarho na al'ada tare da EPLCG saboda suna iyakance bandwidth sosai, kuma ƙarancin saurin su (nauyin baud) na iya lalata aikin EPLCG. Har ila yau EPLCG baya goyan bayan siginar musafaha da ake buƙata don modem, gami da Buƙatar-Don-Aika (RTS), Bayyana-Don-Aika (CTS), Gano Mai ɗaukar kaya (CD), Shiryewar Saitin Bayanai (DSR), da Shirye-shiryen Tasha Data (DTR). Na'urori daban-daban da saitunan kebul suna yiwuwa. Tuntuɓi ƙwararren mahaɗin sadarwa ko masu siyar da na'urori da igiyoyi masu dacewa da aikace-aikacen ku.