Bakeng sa litsamaiso tsa motlakase, tlhahlobo ea nako ea nnete ke ea bohlokoa. Leha ho le joalo, kaha ts'ebetso ea tsamaiso ea motlakase e itšetlehile ka palo e kholo ea lisebelisoa tse teng, ho hlahloba nako ea sebele ho thata haholo bakeng sa basebetsi ba ts'ebetso le tlhokomelo. Leha litsamaiso tse ngata tsa motlakase li na le merero ea phetoho le ntlafatso, hangata ha li khone ho li kenya ts'ebetsong ka lebaka la likhakanyo tse thata tsa lichelete. Bakeng sa li-substations tse nang le tekanyetso e lekanyelitsoeng, tharollo e nepahetseng ke ho hokahanya lisebelisoa tse teng le marang-rang a IEC 61850, a ka fokotsang chelete e hlokahalang haholo.
Litsamaiso tse teng tsa motlakase tse 'nileng tsa sebetsa ka lilemo tse mashome li kentse lisebelisoa tse ngata tse ipapisitseng le liprothokholo tsa puisano tsa mong'a tsona, 'me ho li khutlisa kaofela ka nako e le' ngoe ha se khetho e baballang chelete e ngata. Haeba u batla ho ntlafatsa tsamaiso ea motlakase ea motlakase le ho sebelisa mokhoa oa morao-rao oa SCADA oa Ethernet-based ho shebella lisebelisoa tsa tšimo, mokhoa oa ho finyella litšenyehelo tse tlaase ka ho fetisisa le ho kenya letsoho ho fokolang ha motho ke senotlolo. U sebelisa litharollo tsa likhokahano tse kang li-server tsa lisebelisoa tsa serial, u ka theha khokahano e pepeneneng lipakeng tsa sistimi ea hau e thehiloeng ho IEC 61850 ea matla a SCADA le lisebelisoa tsa hau tsa tšimo tse thehiloeng ho protocol. Lintlha tsa proprietary protocol tsa lisebelisoa tsa tšimo li kenngoa ka har'a lipakete tsa data tsa Ethernet, 'me tsamaiso ea SCADA e ka hlokomela ho lekoa ha lisebelisoa tsena tsa tšimo ka nako ea sebele ka ho e phutholla.
Liheke tsa motlakase tsa Moxa's MGate 5119 Series li bonolo ho li sebelisa 'me li theha puisano e bonolo kapele. Letoto lena la li-gateway ha le thuse feela ho hlokomela puisano e potlakileng pakeng tsa Modbus, DNP3, IEC 60870-5-101, IEC 60870-5-104 lisebelisoa le IEC 61850 marang-rang a puisano, empa hape e tšehetsa mosebetsi oa ho hokahanya ha nako ea NTP ho netefatsa hore data e na le nako e kopanetsoeng. setempe . Letoto la MGate 5119 le boetse le na le jenereithara ea faele ea SCL e hahelletsoeng ka hare, e loketseng ho hlahisa lifaele tsa SCL tsa heke ea substation, 'me ha ho hlokahale hore u qete nako le chelete ho fumana lisebelisoa tse ling.
Bakeng sa tlhahlobo ea nako ea 'nete ea lisebelisoa tsa masimong ho sebelisa liprothokholo tsa beng ba tsona, li-server tsa serial tsa Moxa's NPort S9000 le tsona li ka romelloa ho hokahanya li-IED tsa serial ho Ethernet-based infrastructure ho ntlafatsa li-substations tsa setso. Letoto lena le ts'ehetsa ho fihla ho li-port tsa 16 tsa serial le 4 Ethernet switching port, tse ka pakang data ea proprietary protocol ka har'a lipakete tsa Ethernet, le ho hokela lisebelisoa tsa masimong habonolo ho litsamaiso tsa SCADA. Ntle le moo, letoto la NPort S9000 le ts'ehetsa NTP, SNTP, IEEE 1588v2 PTP, le mesebetsi ea khokahano ea nako ea IRIG-B, e ka ikamahanyang le ho hokahanya lisebelisoa tsa tšimo tse teng.
Ha o ntse o matlafatsa marang-rang a hau a ho beha leihlo le ho laola, o tlameha ho ntlafatsa ts'ireletso ea lisebelisoa tsa marang-rang. Li-server tsa serial tsa marang-rang tsa Moxa le li-gateway tsa protocol ke feela bathusi ba nepahetseng ho sebetsana le litaba tsa ts'ireletso, ba u thusang ho rarolla likotsi tse fapaneng tse patiloeng tse bakoang ke marang-rang a lisebelisoa tsa tšimo. Lisebelisoa tsena ka bobeli li lumellana le litekanyetso tsa IEC 62443 le NERC CIP, 'me li na le mesebetsi e mengata ea ts'ireletso e hahiloeng ka hare ho sireletsa lisebelisoa tsa puisano ka ho feletseng ka mehato e kang ho netefatsa basebelisi, ho beha lenane la IP le lumelletsoeng ho fihlella, tlhophiso ea lisebelisoa le tsamaiso e thehiloeng ho HTTPS le TLS v1. 2 ts'ireletso ea protocol ho tsoa phihlellong e sa lumelloeng. Tharollo ea Moxa e boetse e etsa tlhahlobo ea ts'ireletso ea ts'ireletso khafetsa mme e nka mehato e hlokahalang ka nako e nepahetseng ho ntlafatsa ts'ireletso ea lisebelisoa tsa marang-rang ka mokhoa oa lipache tsa ts'ireletso.
Ho phaella moo, li-server tsa serial tsa Moxa le li-gateway tsa protocol li lumellana le litekanyetso tsa IEC 61850-3 le IEEE 1613, ho netefatsa ts'ebetso e tsitsitseng ea marang-rang ntle le ho angoa ke tikoloho e thata ea li-substations.
Nako ea poso: Jun-02-2023