a. Izici ezisebenzayo: Sebenzisa ukuxhumana kwesikhathi sangempela okusabelayo phakathi kwabasingathi ababili nesigqila esisodwa, kusekela izinhlobo ezahlukene zezinqubo zokuxhumana ezilandelanayo; Sekela umsebenzi wokudlulisa obala wamahhala wephrothokholi.
b. Izici ze-Serial Port: Isekela amazinga e-baud angu-1200, 2400, 4800, 9600, 19200, 38400, kanye no-57600bps; Isekela ukuhlola ukulingana; ama-stop bits angu-1 noma angu-2, njll.
c.Ipharamitha yesikhathi sokulinda impendulo yesigqila iyazikhethela.
d.Ipharamitha yesikhathi sokulibaziseka yokuthumela imiyalo yomsingathi iyazikhethela.
e. Shintsha amapharamitha echweba elilandelanayo ngesofthiwe yomsizi wokulungisa iphutha lechweba elilandelanayo.
g.Isicelo: I-fieldbus yezimboni isebenzisa ama-host amabili ukufunda idatha yenethiwekhi yama-slave engu-485 ngasikhathi sinye, efanelekile ezimweni zokuxhumana zesikhathi sangempela.
2. I-ATM (i-ATM) eyinhloko neyodwa ye-slave 485 server gateway isolator (i-ATM)
a. Izici ezisebenzayo: Sebenzisa umsebenzi weseva engu-485 ophendulayo phakathi kwama-host amabili kanye ne-slave eyodwa, usekela iphrothokholi ye-MODBUS RTU.
b. Izici ze-port serial: Isekela amazinga e-baud angu-1200, 2400, 4800, 9600, 19200, 38400, kanye no-57600bps; Isekela ukuhlola i-parity; i-stop bits eyodwa noma ezimbili, njll.
c.Ipharamitha yesikhathi sokulinda sesigqila iyazikhethela.
d.Isikhathi sokuthumela sokubambezeleka komsingathi singazikhethela.
futhi.Ihadiwe ye-Master kanye ne-slave port: RS485.
f.Shintsha amapharamitha ngokusebenzisa umsizi wokulungisa amaphutha we-serial.
g.Ukusebenza: I-Industrial fieldbus isebenzisa ama-host amabili angu-485 ukuze ifunde ngasikhathi sinye amadivayisi enethiwekhi ye-slave angu-485, afanele ukuxhumana phakathi kwamadivayisi e-MODBUS RTU. Isekela amadivayisi amaningi ngochungechunge kanye nezinhlelo zokusebenza ze-cascading, ingasebenza njengedivayisi yokudlulisela yokudlulisa ukuxhumana kwe-485 ibanga elide.
3.485 kuya ku-analog gateway isolator
a. Izici ezisebenzayo: Idatha inikezwa yi-port engu-485, futhi i-gateway iguqula idatha ibe yi-analog output engu-4-20mA eqondile. Isekela iphrothokholi ye-MODBUS RTU.
b. Izici ze-port serial: Isekela amazinga e-baud angu-1200, 2400, 4800, 9600, 19200, 38400, kanye no-57600bps.
c.Ukunemba kokukhishwa kwamanje kwe-analog kungu-0.1%.
d. Izinhlobo zedatha yokusekela: Inombolo yenombolo enamabhayithi amabili noma inombolo yephuzu elintantayo enamabhayithi amane, enesiqondiso sosayizi wedatha esilungisekayo.
futhi.Kukhona isofthiwe yethuluzi lokucushwa elizinikele lokushintsha amapharamitha.
f.Ihadiwe yephothi yokusingatha: RS485. Ihadiwe yesigqila ikhipha amasignali e-analog angu-4-20mA.
g.Ukusebenza: Idivayisi yesango ithola idatha engu-485 ngefomethi yephrothokholi ye-MODBUS RTU, ihlaziya idatha, bese iyiguqula ngokuqondile ibe umphumela wamanje we-analog 4-20mA, othunyelwa kudivayisi ye-DCS.