1. Chigadzirwa Pamusoroview
Iyo Waveshare Industrial USB kuenda kuRS485 Bidirectional Converter yakagadzirirwa kutaurirana kwakasimba uye kwakavimbika pakati peUSB neRS485 interfaces. Ine chip yepakutanga yeCH343G uye macircuit akawanda ekudzivirira, kusanganisira TVS (Transient Vol).tage Suppressor), fuse inogona kugadziriswa, uye ma diode ekudzivirira, zvichiita kuti ishande zvakanaka munzvimbo dzemaindasitiri. Iyi converter inotsigira kutapurirana kwedata munzira mbiri uye inoenderana nemasisitimu akasiyana-siyana ekushanda.
Mufananidzo 1.1: Mberi view yeWaveshare USB kuenda kuRS485 (B) converter, inoratidza USB connector, LED indicators (PWR, TXD, RXD), uye RS485 screw terminal block.
2. Package Zviri mukati
Ndokumbira utarise kuti zvinhu zvese zvakanyorwa pazasi zvinosanganisirwa mupakeji yako:
- USB KUTI RS485 (B) Converter x1
- USB-A waya yemurume kuenda kumukadzi x1
- Screwdriver x1
Mufananidzo 2.1: Zviri mukati mepakeji yechigadzirwa, kusanganisira USB to RS485 converter, tambo yekuwedzera yeUSB, uye sikurudhiraivha diki yekubatanidza terminal.
3. Key Features
Iyo Waveshare USB kuenda kuRS485 (B) converter inopa zvinotevera zvinhu zvakakosha:
- Inotsigira kushandurwa kwe USB kuenda kuRS485 munzira mbiri.
- Kutaurirana nekukurumidza, kwakasimba, uye kwakavimbika uye kunoenderana zviri nani.
- Onboard TVS (Kupfupi Voltage Suppressor) yekuderedza zvinobudirira kukwira kwemvura uye kuputika kwemvura kunonokatages, ichipa dziviriro yemheni uye kugona kudzivirira ma electrostatic.
- Fuse yakabatanidzwa inogona kugadziriswazve uye ma diode ekudzivirira anovimbisa kugadzikana kwemagetsi/vhoriyamutage outputs, zvichipa over-current/over-voltagdziviriro uye kuvandudzwa kwekudzivirira kuvhunduka.
- Ma LED matatu anoratidza simba (PWR) uye chinzvimbo chetransceiver (TXD, RXD).
Mufananidzo 3.1: Kuratidzwa kwechinhu chikuru chemuchina uyu, zvichiratidza dhizaini yawo yemhando yepamusoro, kutumirwa kwemagetsi kwemativi maviri, dziviriro yeTVS, 600W lightning inodzivirira uye inodzivirira kukwira kwemhepo, uye daro rekutumira re1.2KM.
4. Zvinotsanangurwa
Tsanangudzo dzakadzama dzehunyanzvi dzeUSB kuenda kuRS485 (B) converter:
| Category | Parameter | Value |
|---|---|---|
| Product Type | Chinoshandura cheIndasitiri cheUSB kuenda kuRS485 | |
| Host Port | USB | |
| Device Port | RS485 | |
| Bhaudrate | 300bps ~ 3Mbps | |
| USB | Kushanda voltage | 5V |
| Connector | USB-A | |
| Dziviriro | 200mA fuse yekuzvigadzirisa, dziviriro yeESD | |
| Transmission distance | Zvinenge 5m | |
| Mashandisirwo Akananga Kwechigadzirwa | USB | |
| RS485 | Connector | Screw terminal |
| Pini | A+, B-, GND | |
| Direction control | Kudzora otomatiki kwehardware | |
| Dziviriro | 600W inodzivirira mheni uye inodzvanya-kukwira, dziviriro ye15KV ESD (inodzivirirwa ne120R balancing resistor) | |
| Transmission distance | Inenge 1.2km (mutengo wakaderera) | |
| Transmission mode | Point-to-multipoints (kusvika kumanode makumi matatu nemaviri, zvinodzokororwa zvinokurudzirwa pamidziyo ine >16) | |
| LED Indicators | PWR | Chiratidzo chesimba dzvuku, chinobatidza kana USB yakabatana uye voltage inowanikwa |
| TXD | Chiratidzo cheRed TX, chinobatidza kana USB port yatumira data | |
| RXD | Chiratidzo cheRed RX, chinobatidza kana mudziyo uchitumira data kumashure | |
| Operating Environment | Tembiricha | -15°C ~ 70°C |
| Humidity | 5% RH ~ 95% RH | |
| Operating System | Mac, Linux, Android, WinCE, Windows 11 / 10 / 8.1 / 8 / 7 | |
Mufananidzo 4.1: Tafura yakazara inotsanangura hunyanzvi hwechinoshandura USB kuenda kuRS485 (B), kusanganisira mhando dzemaport, mwero we baud, maficha ekudzivirira, uye mamiriro ekushanda.
5. Setup uye Kuiswa
Tevedza matanho aya kuti ugadzire Waveshare USB yako kuRS485 (B) converter:
- Kuiswa kwemutyairi: Kune maWindows operating systems, mutyairi angangodiwa kuti azive chip yeCH343G uye agadzire virtual COM port. Ndapota tarisa peji repamutemo reWaveshare product kana bhuku rekushandisa repaindaneti riripo kuti uwane madhiraivha matsva ekudhawunirodha uye mirairo yekuisa. Linux neMac systems dzinowanzova nerutsigiro rwakavakirwa mukati.
- Batanidza kune Host: Batanidza USB-A connector ye converter zvakananga mu USB port iripo pakombuta yako kana mudziyo wehost. Unogona kushandisa USB-A yakapihwa yemurume kubva kumukadzi kuti isvike kure kana zvichidikanwa.
- Batanidza kuRS485 Device: Shandisa sikurudhiraivha yakapihwa kubatanidza mitsara yeA+, B-, uye GND yemudziyo wako weRS485 kune materminal esikurudhi anoenderana ari pa converter. Iva nechokwadi chekuti polarity yakakwana (A+ kuenda kuA+, B- kuenda kuB-).
- Power On: Kana yangobatanidzwa, PWR LED iri pa converter inofanira kupenya, zvichiratidza kuti mudziyo uri kugamuchira simba.
Mufananidzo 5.1: Dhiagiramu inoratidza machipisi epakutanga eCH343G neSP485EEN ari mubhodhi, pamwe chete nemaseketi akasiyana-siyana ekudzivirira akadai seTVS, fuse inogona kugadziriswa, uye dziviriro yeESD, izvo zvinobatsira kuti mudziyo ugare wakasimba uye ushande zvakanaka.
6. Kushanda
Kana converter yaiswa zvakanaka uye yazivikanwa ne operating system yako, ichaonekwa se virtual COM port. Unogona kushandisa chero serial communication software (semuenzaniso, PuTTY, RealTerm, kana custom applications) kuti ubatane nemidziyo yako yeRS485. Gadzira software yacho neCOM port number chaiyo, baud rate, data bits, parity, uye stop bits kuti ienderane ne RS485 device yako.
6.1. Zviratidzo zveMamiriro ekushanda
Iyo converter ine zviratidzo zvitatu zve LED zvinopa mhinduro yenguva chaiyo:
- PWR (Tsvuku): Inobatidza kana converter yakabatana neUSB port uye inogamuchira simba.
- TXD (Tsvuku, Inopenya): Inopenya kana USB port iri kutumira data kuRS485 device.
- RXD (Tsvuku, Inopenya): Inopenya kana mudziyo weRS485 uchitumira data kuchiteshi cheUSB.
Mufananidzo 6.1: Pedyo-up view yezviratidzo zvitatu zve LED (PWR, TXD, RXD) pane converter, netsananguro yemabasa avo panguva yekushanda.
6.2. Transmission Distance
Chiratidzo cheUSB chinoshandurwa kuita chiratidzo cheRS485 chakaringana, zvichiita kuti chienderane neRS485, zvichiita kuti chienderane neRS485 chive chakasimba uye chakavimbika. Kumhanya kwekutumira kunotangira pa300bps kusvika pa3Mbps. Daro guru rekutumira reRS485 rinenge makiromita 1.2 (pamutengo wakaderera), nepo kuUSB, rinenge mamita mashanu. Chinoshandura chinotsigira midziyo inosvika makumi matatu nemaviri yemagetsi muchimiro chepoint-to-multipoint. Kune masisitimu ane midziyo inodarika gumi nematanhatu, zvinokurudzirwa kushandisa RS485 repeaters kuchengetedza kuvimbika kwechiratidzo.
Mufananidzo 6.2: Dhiagiramu inoratidza kugona kwekutumira, ichiratidza komputa yakabatana neUSB kune converter, iyo inobva yabatana nemidziyo yakawanda yeRS485 padaro rinosvika 1.2km.
6.3. Rutsigiro rweMasisitimu Akawanda
Iyo Waveshare USB kuenda kuRS485 (B) converter yakagadzirirwa kushanda zvakanaka muhurongwa hwekushanda hwakasiyana-siyana, kusanganisira:
- Mahwindo (11, 10, 8.1, 8, 7)
- Mac OS
- Linux
- Android
- WinCE
Mufananidzo 6.3: Zviratidzo zvinomiririra masisitimu akasiyana-siyana ekushanda anotsigirwa ne converter, anosanganisira Windows, Mac OS, Linux, uye Android.
7. Kugadzirisa matambudziko
Kana ukasangana nematambudziko ne converter yako, funga nezvematanho anotevera ekugadzirisa matambudziko:
- Mudziyo Hauzivikanwe: Iva nechokwadi chekuti tambo yeUSB yakabatana zvakachengeteka. Kana uchishandisa Windows, simbisa kuti dhiraivha chaiyo yechipu yeCH343G yakaiswa. Tarisa Device Manager kana paine zvikanganiso zvemidziyo isingazivikanwe kana COM port.
- Hapana Kutumira Data (maLED eTXD/RXD asingabwairi): Tarisa kaviri waya dzeRS485 (A+, B-, GND) kuti uone kana dziri polarity chaiyo uye kuti dzakabatana zvakachengeteka. Iva nechokwadi chekuti baud rate nedzimwe serial port settings dziri musoftware yako dzinoenderana nedzemudziyo wako weRS485. Iva nechokwadi chekuti mudziyo weRS485 wabatidzwa uye unoshanda nemazvo.
- Data Risingaenderane: Tarisa kana paine maresista ekumisa akakodzera pabhazi reRS485, kunyanya kana paine mafambiro edhisiki refu kana akawanda. Iva nechokwadi chekuti hapana marobhoti epasi.
- Android Device Kuenderana: Ziva kuti converter iyi ingasashande nemidziyo yese yeAndroid. Kuenderana kwayo kunogona kusiyana zvichienderana nehunyanzvi hwe USB host yemudziyo weAndroid uye rutsigiro rwe kernel rwemidziyo yakatevedzana.
- Chishandiso cheWindows 11 Terminal: Windows 11 haina application ye terminal yakavakirwa mukati. Uchafanira kushandisa three-party serial terminal program yekutaurirana.
8. Kuchengeta
Kuti uve nechokwadi chekuti Waveshare USB yako kuenda kuRS485 (B) converter inogara kwenguva refu uye inoshanda zvakanaka:
- Chengeta mudziyo wakachena uye usina guruva kana marara. Shandisa jira rakapfava, rakaoma pakuchenesa.
- Dzivisa kuisa chishanduri panzvimbo inopisa zvakanyanya, hunyoro, kana kuti pachiedza chezuva chakananga.
- Usaedze kuvhura casinkana kugadzirisa circuit yemukati, sezvo izvi zvichizobvisa garandi uye zvinogona kukuvadza mudziyo.
- Chengeta chinoshandura mvura munzvimbo inotonhorera, yakaoma kana chisiri kushandiswa.
9. Warranty uye Tsigiro
Zvigadzirwa zveWaveshare zvinowanzouya newarandi yakajairwa yemugadziri. Kuti uwane mitemo chaiyo yewarandi, rutsigiro rwehunyanzvi, kudhawunirodha madhiraivha, nezvimwe zviwanikwa, ndapota shanyira Waveshare yepamutemo. webtaura nevatengi vavo pawebhusaiti kana kuti taura nevanopa rubatsiro. Bhuku rekushandisa repamhepo rinotaurwa muzvinhu zvechigadzirwa ichi ibhuku rinobatsira pakuwana ruzivo rwakadzama.
Kuti uwane rumwe rubatsiro, unogona zvakare kutarisa kunyorwa kwezvigadzirwa paAmazon kana kubata mutengesi zvakananga kuburikidza nepuratifomu yeAmazon.
