RS-485 (inowanikwa convert): The dhayagiramu uye tsananguro

RS-485 - mufananidzo transducer rinoshandiswa mune maindasitiri network. It rinoshandiswawo ari differential mitsetse. Kakawanda pane nadzurudzo of USB-connector. Nheyo mudzimu sero inovakwa pamusoro date kuchinjirwa nokutumira rakadzika maitikiro pulses.

Converters akasiyana pakati parameter pamusoro goho kuramba wokutanga. Zvinofanira kurangarirwa kuti mhando dzinoitwa ne zvakasiyana date unodiwa. Kuti tinzwisise zvizere yakawanda navo, unofanira kufunga kunatsiridza wiring.

Standard kubatana convert

Yekushandisa kubatana inverter redunhu rinosanganisira kuzvipira yokudzora resistors uye expander. The thyristor chinonyanya inowanzoshandiswa dhayira-up mhando. Kuti tidzivise overloading pamusoro pomumbure, vakashandisa pamahwendefa. Mune zvimwe zviitiko, hutachiwana akatasva remagetsi vharafu chubhu mhando. Vose, cheni zvinogona kusvika capacitors shanu. Paavhareji, kuti goho impedance idukusa 5.5 ohms. Kana tikaongorora muindasitiri RS-485 inowanikwa pamwe galvanic nevamwe, pane rinoshandiswa Ropa extender.

Model pa matomu 100 pasekondi yoga yoga

Converter RS-232/485 inowanikwa iri mhando zvakabatana chete vachishandisa transceiver. Panyaya iyi, kufadza urefu chimwe chidimbu hakuiti kupfuudza 1200 nm. Paavhareji, ano vapera parameter akaenzana 130 Ma. Kana tikafunga convert Ethernet interfaces RS-485 pasina expanders, iye akabva ashandisa buffer gudzazwi.

Mudziyo zvakagadzirirwa batanidza vaifanira kuti transceivers shanu. Panyaya iyi, chiratidzo simba kunobva magetsi throughput vanokwanisa. RS-485 inowanikwa wire inopa pfungwa-razero azvipire 200 MV. Aikanganiswa Pazvinoitika kunotsamira bedzi pamusoro mhando transceiver.

Mano matomu 300 pasekondi yoga yoga

Modifications iyi mhando zvakagadzirirwa, ave mutemo, nokutsigirwa hapana transceivers zvinopfuura zvishanu. Nokuti hafu-duplex date Exchange mudziyo yakanyatsokodzera. Kunofambidzana zvinhu kunyanya kuburikidza huru gudzazwi. Vose, cheni harishandiswi kuti capacitors anopfuura matatu. On avhareji akauraya zvazvingava converters hazvina kupfuura 1 V pa microsecond. Expanders anoshandiswa chete kufamba kweropa mhando. Kana tikafunga kuti RS-422/485 (inowanikwa convert) kuti waya Modem, ipapo rinoshanda ane remagetsi vharafu chubhu. Chipingaidzo mumatunhu dzakadaro vakachengeta kazhinji. Zvinofanira kucherechedzwa kuti pfungwa imwe yakati sandara, paavhareji akaenzana 150 MV.

Models matomu 600 pasekondi yoga yoga

Inowanikwa convert RS-485 USB rinoshandiswa hworudzi urwu Modem netambo. The kunonyanyisa chidimbu urefu hazvisi akaenzana 1300 nm. Mudziyo nokuti bidirectional kupararira mashoko anoenderana zvakanaka. Avhareji aikanganiswa pamusoro Pazvinoitika converters asingaiti pfuura 210 MV. Akauraya Rate vakaenzana anenge 1,2 kusvika microseconds.

Unobva okunatsiridza anogona kuitwa kuburikidza buffer gudzazwi kana resistor. Kana tikafunga kusarudza kutanga izvi hazvigoni kuita pasina waya thyristor. Zvinokoshawo kuziva kuti capacitor anokodzera kuti aiise chete. Kana tikafunga convert inowanikwa RS-485 USB resistors, zvino anoshandisa remagetsi vharuvhu chubhu mhando. Panyaya iyi, iyo goho impedance wegadziriro fluctuates kumativi 4,6 ohms.

Models 10 transceivers

Converters 10 transceivers vane refu goho impedance parameter. Dzakakodzera mano ichi mhando dzakawanda kuti bidirectional date hutachiwana. Parameter ano kunwa Paavhareji akaenzana 230 Ma. The date zvazvingava idukusa 130 matomu por wechipiri. mhando vari rakanakira zvoga hurongwa.

Akauraya zvazvingava chiratidzo kubva transducer hazvirevi kupfuudza 1,3 V panguva microseconds. Aikanganiswa Pazvinoitika hazvisi vasingakoshi. Zvakananga unobatanidza mano kunoitika nomukombiyuta chinjika resistor mhando kana extender. Kana tikafunga musimboti wokutanga, muchiitiko ichi, haagoni kuita pasina simba transceiver. Connections kuburikidza expander iri kazhinji yekudyidzana kuwedzera huwandu musoro razero.

Scheme 13 transceivers

Converter RS-232/485 transceivers 13 zvakabatanidzwa kubudikidza liner. Paavhareji ano manwiro Kurongwa pamusoro mudziyo uri 120 Ma. Kuderedza ngozi kukanganiswa rakaiswa trimmer. Thyristors kazhinji kuisa raundi mhando.

Zvakananga liner kushandiswa ane gudzazwi. Nokuti hafu-duplex muchikurukurirana, converters dzakadaro yakanyatsokodzera. Paavhareji goho nemishonga havasi kupfuudza 4.5 ohms. Aikanganiswa Pazvinoitika hazvisi akaenzana asingapfuuri 170 MV.

Converters 50mA

RS-485 (inowanikwa convert) 50 Ma ndiye chete akakodzera zvoga hurongwa. A pachena chepfungwa muenzaniso anoonekwa kuti kumhanya date chinja. Zvakananga kubatanidza okunatsiridza kunze kuburikidza galvanic zindoga. Panyaya iyi, iyo aikanganiswa ari Pazvinoitika haasi mukuru 150 MV. Musoro pamwero razero akaenzana 230 MV. Kana tikafunga mudziyo nokuda bidirectional pakukurukurirana, vakashandisa mumwe kupomba extender mhando. Uyewo transceiver rakakodzera chete simba.

Converters 120 Ma

RS-485 (inowanikwa convert) pa 120 Ma kwakabatana Via duplex transistors. Kana tikafunga shanduro kuratidza maitiro, ipapo vane simba transceiver. Nokuti hafu-duplex date Exchange mudziyo yakanyatsokodzera. All anokwanisa kubatanidza kusvika transceivers gumi. Kazhinji, munhu pfungwa imwe pamwero idukusa 130 MV.

Panyaya iyi, nhamba vatyairi zvichienderana nesimba mukuru gudzazwi. Extender rinoshandiswa kunyanya zvechivhurumukira mhando. The kunonyanyisa kureba chimwe chidimbu akaenzana 1300 NS. Nokuti mano kushandisa michina hurongwa kukodzera zvakanaka. Akauraya zvazvingava chiratidzo yemanyorero asingadi kupfuudza 1,1 V pa microsecond.

hafu-duplex mudziyo mhando

RS-485 (inowanikwa convert) anokwanisa hafu-duplex-mhando transistor kwakabatana Via Coding. Kuti aite izvi, ari thyristor rinoshandiswa huru gudzazwi. Transceiver rinoshanda zvose simba uye munda mhando. The goho impedance kwemutariri asingadi kupfuudza 5.4 ohms. The chokukomborerwa mamiriro kudyiwa paavhareji akaenzana 130 Ma. Matafura kugamuchirwa Data iyi nyaya inopiwa mureza.

faira chinja nokukurumidza hakuiti kupfuudza matomu 100 pasekondi yoga yoga. The aikanganiswa of Pazvinoitika pachiyero 230 MV. Zvinokoshawo kuziva kuti transducer kubatana inogona Via podstrochenny extender. Panyaya iyi, iyo resistor rakakodzera chinjika mhando. Zvakananga thyristor kushandiswa nokuchinja gudzazwi. In yose, kune vatatu redunhu capacitor.

differential nadzurudzo

The differential RS-485 (inowanikwa convert) anoshandiswa chete nokuda waya Modem. Chiratidzo mabiko Data iyi inopiwa. Power converters kuburikidza yusb pachiteshi. Vazhinji mhando rutsigiro "windose 7" uye XP. Current kunwa zvazvingava akaenzana hapana anopfuura 190 Ma. A Kufunga imwe pamwero haasi kupfuura 90 MV.

Kubatanidza midziyo inoshandiswa kwete capacitors chete, asi resistors uye munda. Musoro razero sandara, sezvinoita mutemo, usingatangi kupfuura 120 MV. Nokumhanya chiratidzo ichi mhando womuenzaniso chaizvo. Rate aikanganiswa of Pazvinoitika convert inowanikwa RS-485 (RS-232) iri pamwero 170 MV. zvazvingava akauraya idukusa 1,2 V paminiti microsecond.

Connection kuburikidza operative extender

Kana tikafunga wiring kuburikidza operative gudzazwi, zvakakosha kuziva kuti magetsi kuparadzwa ukoshi haafaniri kupfuudza 200 Ma. Pakutanga ngetani ndiyo iri inouraya bhokisi. The thyristor chete inoshandiswa kuchitsauko capacitors. maviri chete electrode hurongwa inopiwa. The transistor rakakodzera chete bumbiro mhando. Panyaya iyi, iyo pfungwa imwe pamwero hakuiti pfuura 150 MV. Buffer amplifiers nokuti nematunhu vakadaro havasi akakodzera. All kwakabatana kuti inverter haisi transceivers anopfuura matanhatu.

Single-yakapera convert uye expander

RS-485 inowanikwa convert ane expanders chete-yapera vanoda kuti Modem netambo. Ratidza hurongwa kugamuchira mashoko kubva mhando anowanika nokuda diode mhando. The avhareji ano manwiro idukusa 230 Ma. Dzakakodzera mano chete kwehafu-duplex date exchange. date kuchinjirwa zvazvingava hakuiti kupfuudza matomu 120 pasekondi yoga yoga.

Zvinokoshawo kuziva kuti mienzaniso akashandiswa kudzivirira hurongwa kubva kumusoro voltage. Pakarepo mudziyo dzinofambiswa ne yusb chiteshi. Rate aikanganiswa of Pazvinoitika, paavhareji akaenzana 160 MV. Nokumhanya chiratidzo iri mienzaniso zvakakwirira zvikuru. The transceiver mune zvemagetsi voga iri yemanyorero kushandiswa simba mhando. Rakatarisa ainyanya kureva Buffer gudzazwi. Mahwanda RS-485 goho impedance idukusa 5.8 ohms.

Kushandiswa yakazaruka resistors

Mano dzinoitwa ne yakazaruka resistors 120 uye 200 Ma. Direct kubatana chinoitwa vachishandisa inouraya bhokisi. Power mienzaniso yakaitwa kuburikidza yusb pachiteshi. Inzwi ngarurege -rs 485 hafu-duplex date kukurukurirana. Hunde amplifiers kwazvo kushoma munyika mugadziriro ino mhando. Expanders vari anowanzodanwa kushandiswa mhando kufamba kweropa. Paavhareji, mumwe pfungwa imwe pamwero akaenzana hapana anopfuura 135 MV. The kunonyanyisa kureba chimwe chidimbu rakakomberedza 1300 nm.

Kushandisa chinozunguzirwa transceiver

Modifications kuti wave transceivers akakodzera vose hafu-duplex uye bidirectional kutaurirana. The date chinja nokukurumidza hazvisi akaenzana anenge 230 matomu por wechipiri. mudziyo zvachose anokwanisa kutsigira vanenge gumi transceivers. Avhareji urefu chimwe chidimbu hakuiti kupfuudza 1400 nm. Uyewo indekisi akaenzana goho nemishonga yose 5.1 ohms. akauraya mwero iyi kuvimba mhando gudzazwi.