104-COM-8S, 104-COM-4S 8/4 Port Serial Communication Board
“
Tlhahisoleseding ya Sehlahiswa
Litlhaloso
- Lebitso la Sehlahisoa: ACCES I/O 104-COM-8S
- Type: Eight- or Four-Port RS-422/485 PC/104 Serial
Boto ea Puisano - Models Available: 104-COM-8S and 104-COM-4S
- Moetsi: ACCES I/O Products, Inc.
- Aterese: 10623 Roselle Street, San Diego, CA 92121
- Ikopanye le: 858-550-9559, contactus@accesio.com
- Websebaka: www.accesio.com
Litaelo tsa Tšebeliso ea Sehlahisoa
Tlhokomediso
KGOKOLA KA MEHLA LE HO KHAOLA TŠEBELETSO EA HAO EA LEPALE LE
MATLA A KOMPYUTHA. NAKO TSOHLE TIMA MATLA A KOMPYUTHA PELE
HO KENYA LEBOTO. HO HOKA LE HO KHAOLA LIKABELE, KAPA
HO KENYA MABOTO A TSAMAISO E SEBETSENG KOMPYUTHA KAPA MATLA A TŠIMO.
E KA BAKA TŠENYEHO HO BOTO YA I/O MME E TLA HLAKOLA DITIISETSO TSOHLE,
HLALELETSOA KAPA TLHALOSO.
Tiisetso
Pele e romelloa, lisebelisoa tsa ACCES li hlahlojoa ka botlalo le
lekoa ho latela litlhaloso tse sebetsang. Leha ho le joalo, lisebelisoa li lokela
ho hloleha ho etsahala, ACCES e tiisetsa bareki ba eona hore tšebeletso e potlakileng le
support will be available.
Lipallo le lipehelo
Lilemo tse tharo tsa pele: Karolo e khutlisitsoeng e tla ba
repaired and/or replaced at ACCES option with no charge for labor
kapa likarolo tse sa kenyelletsoeng ka waranti. Warranty e qala ka
thepa ea thepa.
Lilemo Tse Latelang: Throughout your equipment’s
lifetime, ACCES stands ready to provide on-site or in-plant service
at reasonable rates similar to those of other manufacturers in the
indasteri.
Thepa ha e Etsoe ke ACCES: Thepa
provided but not manufactured by ACCES is warranted and will be
e lokisoang ho ya ka dipehelo le dipehelo tsa ba amehang
equipment manufacturer’s warranty.
LBH
P: Ke lokela ho etsa eng haeba thepa ea ka e hlōleha?
A: Ikopanye le ACCES bakeng sa ts'ebeletso le tšehetso e potlakileng. Sheba ho
warranty terms for details on repair or replacement.
Q: How can I ensure the safety of my I/O board during
tlhomamiso?
A: Always connect and disconnect field cabling with the computer
power off. Turn off computer power before installing a board to
thibela tšenyo.
"`
ACCES I/O 104-COM-8S Fumana Qotsulo
10623 Roselle Street, San Diego, CA 92121 y 858-550-9559 y Fax 858-550-7322 contactus@accesio.com le www.accesio.com
BOROBELI- KAPA MANE-PORT RS-422/485 PC/104 SERIAL COMMUNICATION BOARD MEFULO 104-COM-8S LE 104-COM-4S
MOEKETSI MOSEBETSI
www.assured-systems.com | sales@assured-systems.com
FileTlhaloso: M104-COM-8S.A1k
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Hlokomela
Lintlha tse tokomaneng ena li fanoe bakeng sa litšupiso feela. ACCES ha e nke boikarabello bofe kapa bofe ka lebaka la ts'ebeliso kapa ts'ebeliso ea tlhaiso-leseling kapa lihlahisoa tse hlalositsoeng mona. Tokomane ena e kanna ea ba le tlhaiso-leseling le lihlahisoa tse sirelelitsoeng ke litokelo tsa litokelo tsa molao kapa litokelo tsa molao mme ha e fe laesense efe kapa efe tlasa litokelo tsa patent tsa ACCES, kapa litokelo tsa ba bang.
IBM PC, PC/XT, le PC/AT ke matshwao a kgwebo a ngodisitsweng a International Business Machines Corporation.
E hatisitsoe USA. Copyright 2003, 2005 ke ACCES I/O Products, Inc. 10623 Roselle Street, San Diego, CA 92121. Litokelo tsohle li sirelelitsoe.
TEMOSO!!
KHOKELA KA METSO U KHAOLE CABING EA HAO EA FIELD LE MOTLATSI OA KOMPYUTHA. HLAKELA MATLA A KOMPYUTHA
TLOA PELE HO KENYA BOTO. HO HOKOLA LE HO KHAOTSA LIKHABELE, KAPA HO KENYA MABOTO MOTSAMAILENG KA KOMPYUTHA KAPA MATLA A TŠIMO A KA BAKA TŠENYETSO HO BOTO YA I/O MME HO TLA HLAKOLA DITIISETSO TSOHLE, TSE FIHLENG KAPA.
TS'ELISITSOE.
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Tiisetso
Pele e romelloa, lisebelisoa tsa ACCES li hlahlojoa ka botlalo 'me li lekoa ho latela litlhaloso tse sebetsang. Leha ho le joalo, haeba lisebelisoa li ka senyeha, ACCES e tiisetsa bareki ba eona hore litšebeletso le tšehetso li tla ba teng. Lisebelisoa tsohle tse neng li entsoe ke ACCES tse fumanoeng li sa sebetse li tla lokisoa kapa li nkeloe sebaka ke lintlha tse latelang.
Lipallo le lipehelo
Haeba yuniti e belaelloa hore e hlolehile, ikopanye le lefapha la litšebeletso tsa bareki la ACCES. Itokisetse ho fana ka nomoro ea yuniti ea mohlala, nomoro ea seriale, le tlhaloso ea matšoao a ho hloleha. Re ka fana ka maikutlo a liteko tse bonolo ho netefatsa ho hloleha. Re tla fana ka nomoro ea Return Material Authorization (RMA) e tlamehang ho hlaha ho label e ka ntle ea sephutheloana sa ho khutlisa. Diyuniti/likarolo tsohle di lokela ho pakwa ka nepo bakeng sa ho tshwarwa le ho kgutlisetswa le thepa e lefilweng esale pele Setsing sa Tshebeletso se kgethilweng sa ACCES, mme se tla kgutlisetswa ho moreki/sebaka sa mosebedisi se lefelletseng thepa le invoice.
Kakaretso
Lilemo tse tharo tsa pele: Yuniti/karolo e khutlisitsoeng e tla lokisoa le/kapa e nkeloe sebaka ke khetho ea ACCES ntle le tefiso bakeng sa mosebetsi kapa likarolo tse sa kenyelletsoeng ka waranti. Warranty e qala ka thomello ea thepa.
Lilemo Tse Latelang: Bophelong bohle ba sesebelisoa sa hau, ACCES e ikemiselitse ho fana ka lits'ebeletso tsa setšeng kapa tsa semela ka litheko tse ts'oanang le tsa bahlahisi ba bang indastering.
Thepa ha e Hlahisoe ke ACCES
Thepa e fanoeng empa e sa etsoa ke ACCES e netefalitsoe 'me e tla lokisoa ho latela lipehelo le lipehelo tsa tiisetso ea moetsi oa thepa.
Kakaretso
Tlas'a Tiisetso ena, boikarabello ba ACCES bo lekanyelitsoe ho nkela sebaka, ho lokisa kapa ho fana ka mokoloto (ka boikhethelo ba ACCES) bakeng sa lihlahisoa life kapa life tse bonts'itsoeng li sa sebetse nakong ea tiisetso. Ha ho joalo, ACCES e ikarabella bakeng sa tšenyo e bakiloeng kapa e khethehileng e tsoang ho sebelisoa kapa tšebeliso e mpe ea sehlahisoa sa rona. Moreki o ikarabella bakeng sa litefello tsohle tse bakoang ke liphetoho kapa ho eketsoa ha thepa ea ACCES e sa amoheloang ka lengolo ke ACCES kapa, haeba ka maikutlo a ACCES thepa e sebelisitsoe ka mokhoa o sa tloaelehang. "Tšebeliso e sa tloaelehang" molemong oa tiisetso ena e hlalosoa e le ts'ebeliso efe kapa efe eo sesebelisoa se pepesitsoeng ho eona ntle le ts'ebeliso e boletsoeng kapa e reriloeng joalo ka ha ho pakoa ke thekiso kapa thekiso. Ntle le se boletsoeng ka holimo, ha ho na waranti e 'ngoe, e hlalositsoeng kapa e boletsoeng, e tla sebetsa ho thepa efe kapa efe e joalo e fanoeng kapa e rekisoang ke ACCES.
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TAFOLE EA LIKATENG
Khaolo ea 1: TLHALOSO EA MOSEBETSI ……………………………………………………………………….. 5
Setšoantšo sa 1-1: BLOCK DIAGRAM …………………………………………………………………………………………………………………. 6
Khaolo ea 2: HO KENYA………………………………………………………………………………………………. 7 Khaolo ea 3: KHETHO EA KHETHO…………………………………………………………………………………….. 12
Setšoantšo sa 3-1: KGETHO YA MPAPA ………………………………………………………………………………………………………
Khaolo ea 4: KHETHO EA LIKETSO……………………………………………………………………………………. 15
Lethathamo la 4-1: DIKABELO TSA Aterese E TLOTLHOKO BAKENG SA LIKHOPITI ……………………………………………. 15 Lethathamo la 4-2: LITLHOKISO TSA AARESE ………………………………………………………………………………………………………. 16
Khaolo ea 5: HO HLOKOMELA………………………………………………………………………………………………
Tafole 5-1: Control Block Register Map ………………………………………………………………………………………………….. MAELAO A AROHANANG ………………………………………………………………………………………………
Khaolo ea 6: MOSEBETSI OA PIN ea KHONEKE………………………………………………………………. 22
Lethathamo la 6-1: MAKHOPO A PIN ……………………………………………………………………………………………………………
Khaolo ea 7: TLHALOSO ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………. 23
Lethathamo la A-1: RS-422 KAKARETSO AKARETSO
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Khaolo ea 1: TLHALOSO EA MOSEBETSI
Li-Serial Interface Boards tsena li na le likou tse ikemetseng tse robeli kapa tse 'ne mme li fana ka puisano e sebetsang ea RS-485 le RS422 multipoint. Channel ka 'ngoe e ka hlophisoa hore e be mokhoa ofe kapa ofe. Batho ba tlolang botong ba lumella khetho ea tlhophiso, ho kenyeletsoa ho felisoa, bakeng sa kanale ka 'ngoe.
Liboto li entsoe ka sebopeho sa PC/104.
Litekanyo tsa eona li ka bang 3.775 inch X 3.550 inches. Lihokelo tsohle tsa mats'oao li entsoe ka sehokelo sa 50 pin, se behiloeng moeling oa boto.
RS-485 E LEKANETSO MOKHOA OA MOSEBETSI
Boto e ts'ehetsa mekhoa ea RS-485 e sebelisang li-driver tse leka-lekaneng tse fapaneng bakeng sa ho eketseha ha mefuta le ts'ireletso ea lerata. Tlhaloso ea RS-485 e hlalosa boholo ba lisebelisoa tse 32 moleng o le mong. Palo ea lisebelisoa tse sebelisoang moleng o le mong e ka atolosoa ka tšebeliso ea "li-repeaters".
Boto e boetse e na le bokhoni ba ho eketsa lihanyetsi tsa mojaro ho felisa mehala ea likhokahano. Lipuisano tsa RS-485 li hloka hore transmitter e le 'ngoe e fane ka bias voltage ho etsa bonnete ba hore boemo ba "zero" bo tsejoa ha li-transmitters tsohle li timme. Hape, lisebelisoa tsa moamoheli pheletsong e 'ngoe le e' ngoe ea marang-rang li lokela ho felisoa ho felisa "ho letsa". Liboto tsena li tšehetsa leeme ka ho sa feleng 'me li tšehetsa ho felisoa ka li-jumpers ka boto. Haeba sesebelisoa sa hau se hloka hore transmitter e se be leeme, ka kopo ikopanye le feme.
Mokhanni/moamoheli ea sebelisitsoeng, mofuta oa 75176B, o khona ho khanna likhoele tsa puisano tse telele haholo ka litheko tse phahameng haholo. E ka khanna ho fihla ho ± 60 mA mehala e leka-lekaneng 'me ea amohela lipehelo tse tlase ho 200 mV pontšo ea phapang e phahamisitsoeng holim'a lerata le tloaelehileng la +12 V kapa -7 V. Ha ho e-na le likhohlano tsa puisano, mokhanni / ba amohelang ba na le ho koala ha mocheso.
COMM COM PHAHAMA
Mofuta oa 16550 UART's o sebelisoa e le Asynchronous Communication Element (ACE) . Tsena li kenyelletsa 16-byte transmit/receive buffer ho sireletsa khahlanong le data e lahlehileng lits'ebetsong tse ngata tsa ts'ebetso, ha u ntse u boloka 100% e lumellana le boema-kepe ba pele ba serial ba IBM. Leha ho le joalo, likou ha li felle feela ho liaterese tse tloaelehileng tsa boema-kepe ba COM.
Khetho ea liaterese e tsoelang pele e fumaneha kae kapa kae ka har'a sebaka sa I/O sa 100 ho isa ho 3F8 hex, 'me lenaneo la rona la FINDBASE le tla hlahloba liaterese tsa mohopolo oa I/O Bus komporong ea hau bakeng sa liaterese tse fumanehang tse ka sebelisoang ntle le ho hanyetsana le lisebelisoa tse ling tsa komporo. Sena se lumella boema-kepe ho sebelisoa e le e 'ngoe ea likou tse' nè tsa "standard" COM (COM1 ho COM4), kapa ho phela hammoho le tsona, ka motsoako ofe kapa ofe.
Ho na le oscillator ea kristale ka boto. Oscillator ena e lumella khetho e nepahetseng ea sekhahla sa baud ho tloha ho 300 ho isa ho 921,600 ka oscillator e tloaelehileng ea kristale. Crystal oscillator e tloaelehileng e sebelisoa ho hlahisa litekanyetso tse peli tsa oache. E 'ngoe ke oache e tloaelehileng ea 1.8432 MHz. Haeba litekanyetso tse phahameng tsa baud li hlokahala, sekhahla sa 14.7456MHz se ka khethoa ke jumper.
TS'ELISO MEKHOA
Boto e ts'ehetsa lipuisano tsa Half-Duplex ka khokahanyo ea lithapo tse peli. Half-Duplex e lumella sephethephethe ho tsamaea ka mahlakore ka bobeli, empa ka tsela e le 'ngoe feela ka nako. Lipuisano tsa RS-2 hangata li sebelisa mokhoa oa halofo ea duplex kaha li arolelana lithapo tse le 'ngoe feela.
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AUTO-RTS TRANSCEIVER CONTROL Dikgokahanyo tsa RS-485, mokganni o tlameha ho dumellwa le ho holofala ha ho hlokahala, ho dumella diboto tsohle ho arolelana thapo e mmedi ya terata. Boto e laola mokhanni ka bo eona. Ka taolo ea othomathiki, mokhanni o lumelloa ha data e se e loketse ho fetisoa. Mokhanni o lula a le matla bakeng sa nako ea phetisetso ea tlhaku e le 'ngoe ka mor'a hore phetiso ea data e qale ebe e koaloa. Moamoheli oa holofala nakong ea phetisetso ea RS-485 ebe e fuoa matla ha mokhanni oa transmitter a holofetse. Boto e fetola nako ea eona ho latela sekhahla sa data. (TLHOKOMELISO: Ka lebaka la karolo ena ea taolo ea othomathike, boto e loketse ho sebelisoa lits'ebetsong tsa Windows) IRQ SUPPORT Boto e ts'ehetsa ts'ebeliso ea lisebelisoa tsa IRQ, 'me e kenyelletsa rejisetara ea boemo ba IRQ e ka har'a board bakeng sa ho sebelisoa le lits'ebetso tsa ts'ebetso tse tšehetsang tšobotsi ena, joalo ka Microsoft Windows NT. Sena se lumella boto ho sebelisa boemo bo le bong ho isa ho bohlano ba IRQ ho laola likou tsohle tse robeli, ho nolofatsa haholo tlhophiso ea sistimi.
Setšoantšo sa 1-1: BLOCK DIAGRAM (Ho bontšitsoe mocha o le mong feela oa serial)
PC/104 BUS 50 PIN HEADER
MOSEBETSI RTS C IR CU ITRY
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Khaolo ea 2: HO KENYA
Bukana e hatisitsoeng ea Quick-Start (QSG) e tletse boto molemong oa hau. Haeba u se u nkile mehato e tsoang ho QSG, u ka fumana khaolo ena e se na thuso, 'me u ka tlolela pele ho qala ho etsa kopo ea hau.
Software e fanoeng le PC/104 Board ena e ho CD mme e tlameha ho kengoa ho hard disk ea hau pele e sebelisoa. Ho etsa sena, etsa mehato e latelang e loketseng sistimi ea hau ea ts'ebetso.
Ho kenya CD
Litaelo tse latelang li nka hore CD-ROM drive ke "D". Ka kopo kenya lengolo la drive le loketseng bakeng sa sistimi ea hau ha ho hlokahala.
DOS 1.
2.
3. 4.
Beha CD ka har'a drive ea hau ea CD-ROM. Tlanya B- ho fetola drive e sebetsang ho CD-ROM drive. Tlanya GLQR?JJ- ho tsamaisa lenaneo la ho kenya. Latela litaelo tse skrineng ho kenya software bakeng sa boto ena.
WINDOWS 1. Beha CD ka koloing ea hau ea CD-ROM. 2. Sistimi e lokela ho tsamaisa lenaneo ka bo eona. Haeba lenaneo la ho kenya le sa sebetse hang-hang,
tlanya QALA | MATHA 'me u thaepe BGLQR?JJ, tobetsa OK kapa tobetsa -. 3. Latela litlhahiso tse hlahang skrineng ho kenya software bakeng sa boto ena.
LINUX 1. Ka kopo, sheba linux.htm ho CD-ROM bakeng sa tlhahisoleseding mabapi le ho kenya li-ports tsa serial tlas'a linux.
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Ho kenya Hardware
Pele o kenya boto, bala ka hloko Khaolo ea 3 le Khaolo ea 4 ea bukana ena 'me u lokise boto ho latela litlhoko tsa hau. Lenaneo la SETUP le ka sebelisoa ho thusa ho hlophisa li-jumpers botong. Eba hlokolosi haholo ka Khetho ea Liaterese. Haeba liaterese tsa likarolo tse peli tse kentsoeng li kopana, u tla ba le boits'oaro bo sa lebelloang ba komporo. Ho thusa ho qoba bothata bona, sheba lenaneo la FINDBASE.EXE le kentsoeng ho CD. Lenaneo la ho seta ha le behe likhetho holim'a boto, tsena li tlameha ho behoa ke li-jumpers.
Boto ena ea li-port serial communication board e sebelisa li-software-programmable address ranges bakeng sa UART ka 'ngoe, e bolokiloeng ka har'a EEPROM. Lokisa aterese ea EEPROM u sebelisa "onboard Address Selection jumper block", ebe u sebelisa lenaneo le fanoeng la Setupo ho lokisa liaterese bakeng sa UART e 'ngoe le e 'ngoe e kenang.
Ho kenya Boto
1. Kenya li-jumpers bakeng sa likhetho tse khethiloeng le aterese ea motheo ho latela litlhoko tsa kopo ea hau, joalo ka ha ho boletsoe ka holimo.
2. Tlosa matla ho PC / 104 stack. 3. Bokella hardware standoff bakeng sa stacking le securing mapolanka. 4. Hokela boto ka hloko ho sehokelo sa PC/104 ho CPU kapa holim'a stack, ho netefatsa hore ho nepahetse.
ho tsamaisana hoa lithakhisa pele ho lutse lihokelo ka botlalo. 5. Kenya likhoele tsa I/O holim'a lihokelo tsa I/O tsa boto, 'me u tsoele pele ho tiisa stack kapa ho pheta.
mehato ea 3-5 ho fihlela liboto tsohle li kenngoa ho sebelisoa hardware e khethiloeng. 6. Etsa bonnete ba hore likhokahano tsohle ho PC/104 stack ea hau li nepahetse ebile li bolokehile ebe o matlafatsa sistimi. 7. Matha e 'ngoe ea tse fanoeng sample mananeo a loketseng sistimi ea hau ea ts'ebetso e kentsoeng
ho tsoa ho CD ho leka le ho netefatsa instola ea hau.
Ho kenya Ports ea COM ho Windows Operating Systems
* TLHOKOMELISO: Liboto tsa COM li ka kengoa hoo e batlang e le sistimi efe kapa efe ea ts'ebetso 'me re ts'ehetsa ho kenya liphetolelong tsa pejana tsa lifensetere,' me ho na le monyetla oa ho ts'ehetsa mofuta oa nakong e tlang. Bakeng sa tšebeliso ea WinCE, ikopanye le feme bakeng sa litaelo tse tobileng.
Windows NT4.0
Ho kenya likou tsa COM ho Windows NT4 u tla hloka ho fetola keno e le 'ngoe ho ngolisoeng. Keno ena e nolofalletsa ho arolelana IRQ ho liboto tsa COM tse nang le li-port tse ngata. Senotlolo ke HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesSerial. Lebitso la boleng ke PermitShare mme data e lokela ho hlophisoa ho 1.
Joale o tla eketsa likou tsa boto joalo ka likou tsa COM, o beha liaterese tsa motheo le li-IRQ ho tsamaisana le litlhophiso tsa boto ea hau.
Ho fetola boleng ba ngoliso, tsamaisa RegEdit ho tsoa ho START|RUN menu khetho (ka ho thaepa REGEDIT [ENTER] sebakeng se fanoeng). Tsamaea fatše sefateng view ka letsohong le letšehali ho fumana senotlolo, 'me u tobetse habeli lebitsong la boleng ho bula puisano e u lumellang ho beha boleng bo bocha ba data.
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Ho kenya boema-kepe ba COM, sebelisa applet ea START|CONTROL PANEL|PORTS ebe o tobetsa ADD, ebe o kenya aterese e nepahetseng ea UART le Nomoro ea Khatiso. Ha puisano ea "Add New Port" e hlophisitsoe, tobetsa OK, empa u arabe "U se ke Ua Qala Bocha" ha u khothalletsoa, ho fihlela u kentse likou tse ling hape. Ebe o qala sistimi ka mokhoa o tloaelehileng, kapa ka ho khetha "Restart Now."
Windows XP
Ho kenya likou tsa COM ho Windows XP u tla be u kenya likou tsa "standard" tsa puisano ka bowena, ebe u fetola litlhophiso tsa lisebelisoa tse sebelisoang ke likou ho tsamaisana le hardware. Matha "Add Hardware" applet ho tswa ho Control Panel. Tobetsa "E latelang" ho "Welcome to the Add New Hardware Wizard" dialog. Ka bokhutšoane u tla bona molaetsa oa "... batla ...", ebe u Khetha "Ee, ke se ke hoketse hardware" ebe o Tobetsa "E latelang".
Khetha "Eketsa sesebelisoa se secha sa Hardware" ho tloha tlase lethathamong le hlahisitsoeng ebe o tobetsa "E latelang." Khetha "Kenya hardware eo ke e khethang ka letsoho lethathamong" ebe o tobetsa "E latelang." Khetha "Ports (COM & LPT) ebe o tobetsa "E latelang" Khetha "(Standard Port Types)" le "Communications Port" (the defaults), Tobetsa "E latelang." Tobetsa "E latelang."
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Tobetsa "View kapa fetola lisebelisoa bakeng sa hardware ena (E tsoetseng pele)" sehokelo.
Tobetsa konopo ea "Set Configuration Manually". Khetha "Basic Configuration 8" ho tsoa ho "Litlhophiso tse Thehiloeng ho:" lenane le theoha. Khetha "I / O Range" lebokoseng la "Resource Settings" ebe o tobetsa konopo ea "Change Settings ...". Kenya aterese ea mantlha ea boto, ebe o tobetsa "OK"
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Khetha "IRQ" lebokoseng la "Resource Settings" ebe o tobetsa konopo ea "Change Settings". Kenya IRQ ea boto ebe o tobetsa "Ho lokile". Koala lebokose la "Set Configuration Manually" ebe o tobetsa "Finish." Tobetsa "Se ke oa Reboot" haeba u lakatsa ho kenya likou tse ling. Pheta mehato eohle e ka holimo, u kenye IRQ e tšoanang empa u sebelisa aterese ea Base e hlophisitsoeng bakeng sa UART e 'ngoe le e 'ngoe e eketsehileng. Ha o qetile ho kenya likou, qala sistimi ka mokhoa o tloaelehileng.
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Khaolo ea 3: KHETHO EA KHETHO
Ho u thusa ho fumana li-jumpers tse hlalositsoeng karolong ena, sheba 'MAPA OA KHETHO EA KHETHO qetellong ea karolo ena. Ts'ebetso ea karolo ea serial communications e khethoa ke ho kenya jumper joalo ka ha ho hlalositsoe lirapeng tse latelang.
TERM
120 S
TERMINATIONS:
Mohala oa phetiso o lokela ho emisoa moo o amohelang teng ka mokhoa oa eona oa ho sitisa. Ho kenya jumper sebakeng se ngotsoeng TERM ho sebelisa mojaro oa 120 ho pholletsa le transmit/receive input/output for RS-485 operation.
Lits'ebetsong tsa RS-485 moo ho nang le li-terminals tse ngata, ke likou tsa RS-485 feela pheletsong e 'ngoe le e' ngoe ea marang-rang e lokelang ho ba le li-resistance tse felisang joalo ka ha ho hlalositsoe ka holimo. Hape, bakeng sa ts'ebetso ea RS-485, ho tlameha ho ba le leeme meleng ea RX+ le RX-. Haeba boto e sa fane ka leeme leo, ikopanye le tšehetso ea tekheniki ea feme.
KHOPO EA DATA
LITŠOANTŠISO: Boto e tšehetsa IRQ 2, 3, 5, 7, 10 le 11 (ntle le haeba e bolokoa ke lisebelisoa tse ling tse kentsoeng). Maemo a khethoa ka ho ngola boemo bo lakatsehang ba IRQ atereseng e loketseng ho EEPROM le ho etsa hore (bona) e kenngoe ho tsoa ho EEPROM ho ea lirejiseteng tse loketseng. Likanale A, B, C le D li na le litšitiso tsa motho ka mong 'me likanale E, F, G le H li arolelana tšitiso ea bohlano. Hoa hlokahala ho kenya litekanyetso tsa tšitiso bakeng sa likanale tsohle. Haeba tšitiso e tšoanang e tla sebelisoa bakeng sa likanale tsohle, e tlameha ho kenngoa libakeng tse hlano tse sitisang ho EEPROM.
Ka kopo hlokomela: Ho Windows NT, liphetoho li tlameha ho etsoa ho Registry ea Tsamaiso ho tšehetsa ho arolelana IRQ. Lintlha tse latelang li qotsitsoe ho "Controlling Multiport Serial I/O Boards" e fanoeng ke Microsoft laebraring ea MSDN.Tokomane ea ID: mk:@ivt:nt40res/D15/S55FC.HTM, e fumaneha hape ho Windows NT Resource Kit. Mongolo o kentsoeng ka masakaneng (“[]”) o bolela maikutlo.
Mokhanni oa serial oa Microsoft o ka sebelisoa ho laola liboto tse ngata tse sa bueng tsa multiport. Semumu se bontša hore taolo ha e kenyelle processor ea board. Boema-kepe bo bong le bo bong ba boto ea li-multiport bo na le subkey e arohaneng tlasa CurrentControlSetServicesSerial subkey ho Registry. Ho e 'ngoe le e 'ngoe ea li-subkeys tsena, u tlameha ho eketsa boleng bakeng sa DosDevices, Interrupt, InterruptStatus, Port Address, le PortIndex hobane tsena ha li bonoe ke Hardware Recognizer. (Bakeng sa litlhaloso le mefuta ea boleng bona, bona Regentry.hlp, thuso ea Registry file ho CD ea Windows NT Workstation Resource Kit.)
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Bakeng sa mohlalaample, haeba u na le boto e hlophisitsoeng le block block atereseng ea 0x300, likou li latellana ebile li kopane ho qala atereseng 0x100, le IRQ ea 0x5 likoung tsohle, litekanyetso tsa Registry ke:
Serial2 subkey: PortAddress = REG_DWORD 0x100 Thibela = REG_DWORD 5 DosDevices = REG_SZ COM3 InterruptStatus = REG_DWORD 0x500 PortIndex = REG_DWORD 1
Serial3 subkey: PortAddress = REG_DWORD 0x108 Thibela = REG_DWORD 5 DosDevices = REG_SZ COM4 InterruptStatus = REG_DWORD 0x500 PortIndex = REG_DWORD 2
Serial4 subkey: PortAddress = REG_DWORD 0x110 Thibela = REG_DWORD 5 DosDevices = REG_SZ COM5 InterruptStatus = REG_DWORD 0x500 PortIndex = REG_DWORD 3
Serial5 subkey: PortAddress = REG_DWORD 0x118 Thibela = REG_DWORD 5 DosDevices = REG_SZ COM6 InterruptStatus = REG_DWORD 0x500 PortIndex = REG_DWORD 4
Serial6 subkey: PortAddress = REG_DWORD 0x120 Thibela = REG_DWORD 5 DosDevices = REG_SZ COM7 InterruptStatus = REG_DWORD 0x500 PortIndex = REG_DWORD 5
Serial7 subkey: PortAddress = REG_DWORD 0x128 Thibela = REG_DWORD 5 DosDevices = REG_SZ COM8 InterruptStatus = REG_DWORD 0x500 PortIndex = REG_DWORD 6
Serial8 subkey: PortAddress = REG_DWORD 0x130 Thibela = REG_DWORD 5 DosDevices = REG_SZ COM9 InterruptStatus = REG_DWORD 0x500 PortIndex = REG_DWORD 7
Serial9 subkey: PortAddress = REG_DWORD 0x138 Thibela = REG_DWORD 5 DosDevices = REG_SZ COM10 InterruptStatus = REG_DWORD 0x500 PortIndex = REG_DWORD 8
Ho kena ha InterruptStatus ho ba 0x500 ho batla ho sa tloaeleha; ke aterese ea motheo ea boema-kepe ba pele hammoho le 0x400. Hangata sena e ka ba lebitso la boema-kepe ba pele, empa boto e sebelisa aterese ena e hlakisitsoeng bakeng sa ngoliso ea maemo.
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P2
Pina ea 1
A5 A6 A7 A8 A9 COM A DF
COM C
COM E
COM G
42 2 RL D TLD 4 22 R LD TLD 422 RL D TLD 42 2 R LD T LD
4 22 RL D TLD 4 22 RL D TLD 4 22 RL D TLD 4 22 RL D TLD
COM B COM D COM F COM H
CLK x8 A485 B485 C485 D485 E485 F485 G485 H485
Setšoantšo sa 3-1: KHETHO EA KHETHO 'Mapa
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Khaolo ea 4: KHETHO EA LIKETSO
Aterese e 'ngoe le e' ngoe ea boema-kepe e ka khethoa kae kapa kae ka har'a sebaka sa I/O sa 100-3F8 hex, ha feela aterese e sa kopane le mesebetsi e meng. Haeba u belaela, sheba lethathamo le ka tlase bakeng sa lethathamo la likabelo tse tloaelehileng tsa liaterese. (Likou tsa puisano tsa li-synchronous tsa binary tsa mantlha le tsa bobeli li tšehetsoa ke Tsamaiso ea Ts'ebetso.) Lenaneo la sebaka sa sebaka sa aterese sa FINDBASE le fanoeng le boto ea hau le tla u thusa ho khetha aterese ea motheo e tla qoba khohlano ena.
Lethathamo la 4-1: KABELO TSA Aterese E TLOAELEHANG BAKENG SA LIKHOPITI
SEBELISA HEX RANGE
000-00F 020-021 040-043 060-06F 070-07F 080-09F 0A0-0BF 0C0-0DF 0F0-0F1 0F8-0FF 170-177 1F0-1F8 200-207 238-23B 23C-23F 278-27F 2B0-2BF 2C0-2CF 2D0-2DF 2E0-2E7 2E8-2EF 2F8-2FF 300-30F 310-31F 320-32F 370-377 378-37F 380-38F 3A0-3AF 3B0-3BB 3BC-3BF 3C0-3CF 3D0-3DF 3E8-3EF 3F0-3F7 3F8-3FF
8237 DMA Controller 1 8259 Interrupt 8253 Timer 8042 Keyboard Controller CMOS RAM, NMI Mask Reg, RT Clock DMA Page Register 8259 Slave Interrupt Controller 8237 DMA Controller 2 Math Coprocessor Math Coprocessor Fixed Disk Controller 2 Moused Disk Controller 1 Fixed Disk Controller. Bus Mouse Parallel Printer EGA EGA EGA GPIB (AT) Serial Port Serial Port reserved Hard Disk (XT) Floppy Controller 2 Parallel Printer SDLC SDLC MDA Parallel Printer VGA EGA CGA Serial Port Floppy Controller 1 Serial Port
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Li-jumpers tsa aterese li khetholla aterese ea thibelo ea taolo; liaterese le litšitiso tsa likou li nkiloe ho EEPROM ea onboard. Registara ea tšitiso ea ho arolelana (e sebelisoang haholo ho NT4) e lebisitsoe atereseng ea Channel A.
Li-byte tsa aterese tse kentsoeng ho EEPROM li emela mela ea aterese A9 ho ea ho A3. Tsela e bonolo ka ho fetisisa ea ho fumana hore na byte e ngolla aterese e lakatsehang ke ho arola aterese ka 8. Mohlala, aterese ea motheo ea 300 e tla ba 300/8 = 60, aterese ea 308/8 = 61, joalo-joalo. (Liaterese tsohle li ka hex.)
Lethathamo la 4-2: LITSAMAI TSA AARESE
1st Digit
2nd Digit
Jumper Label
A9 A8 A7 A6 A5 —
Aterese Line Controlled A9 A8 A7 A6 A5 A4
Boleng ba Hexadecimal
200 100 80 40 20 10
E le hore u bale aterese ea jumper setup, abela "1" ho li-jumpers tse sa kengoang le "0" ho li-jumpers tse kentsoeng. Bakeng sa mohlalaample, joalokaha ho bontšitsoe tafoleng e latelang, khetho ea jumper e lumellana le binary 10 000x xxxx (hex 200). "xxx" e emetse mela ea liaterese A4, A3, A2, A1, le A0 e sebelisoang botong ho khetha lirejisetara tsa motho ka mong, joalo ka ha ho hlalositsoe karolong ea PROGRAMMING ea bukana ena.
EXAMPLEATERESE SEHLOHO
Jumper Label Conversion Factors Jumper e kentsoe Binary Representation Hex Representation
A9 A8 A7 A6 A5
2 1
8
4 2
CHE E E E E E E
1 0
0
0 0
2
0
Review ADDRESS SELECTION TABLE ka hloko pele o kgetha aterese ya boto. Haeba liaterese tsa lits'ebetso tse peli tse kentsoeng li fetana u tla ba le boits'oaro bo sa lebelloang ba komporo.
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Khaolo ea 5: KETSAHALO
Liaterese tsa boema-kepe le li-IRQ li khethoa ke software ka block block; aterese ea motheo ea thibelo ea taolo e khethoa ke li-jumpers. Mesebetsi e ka har'a thibelo ea taolo e bonts'oa 'mapeng oa ho ngolisa li-block block ka tlase.
Lethathamo la 5-1: Laola Block Register Map
Aterese
Bala Mosebetsi
Ngola Mosebetsi
Aterese ea Motheo + 0
-
-
Aterese ea Motheo + 1 Aterese ea EEPROM
EEPROM Aterese
Aterese ea Motheo + 2
-
Lintlha tsa EEPROM
Aterese ea Motheo + 3
-
Jarisa EEPROM ho Ngoliso
Liaterese le li-IRQ tsa likou li nkiloe ho EEPROM ka boto. Ntle le ho li kenya ka bo eona ha li sebetsa, li ka laeloa ke software ka ho ngolla block block. Liaterese le litšitiso li bolokiloe ho EEPROM joalo ka ha ho bonts'itsoe 'mapeng oa aterese oa EEPROM o ka tlase.
Lethathamo la 5-2: 'Mapa oa Aterese oa EEPROM
EEPROM Aterese EEPROM Tlhaloso ea Boitsebiso
1
Aterese ea Channel A
2
Aterese ea Channel B
3
Aterese ea Channel C
4
Aterese ea Channel D
5
Aterese ea Channel E
6
Aterese ea Channel F
7
Aterese ea Channel G
8
Aterese ea Channel H
9
IRQ bakeng sa Channel A
A
IRQ bakeng sa Channel B
B
IRQ bakeng sa Channel C
C
IRQ bakeng sa Channel D
D
IRQ bakeng sa Likanale E, F, G & H
Joalokaha ho boletsoe libakeng tse ling, liaterese tse kentsoeng li emela A3 - A9. Ka hona, data e kentsoeng ke aterese eo u e batlang, e arotsoe ke 8.
Ha boto e qala ho kenngoa tsamaisong, likoung ha li hlile ha li sebelisoe liatereseng tse sa sebelisoang. E le ho thibela likhohlano le lisebelisoa tse ling tsamaisong, boto e na le jumper e thibelang likou, haufi le li-jumpers tsa aterese tsa motheo le tse ngotsoeng "DF". Thibelo ea taolo e ntse e nolofalitsoe ka mokhoa ona, e lumellang software hore e behe
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boema-kepe bo bua ka nepo. Ha DF jumper e tlosoa, likou li tla ba liatereseng tse hlophisitsoeng.
Ho ngolla data ho EEPROM, qala ka ho ngola aterese ho ngoliso ea Aterese ea EEPROM, ebe u ngolla kapa u bale ho tswa ho EEPROM Data Register. Bakeng sa mohlalaample, ho beha Channel A ho sebetsana le 3F8, IRQ 5, ka aterese ea setsi sa taolo e behiloeng ho 200 (ka li-jumpers):
Ngola 01 ho 201. Ngola 7F ho 202. Ngola 09 ho 201. Ngola 05 ho 202. Ebe u ngola ntho leha e le efe ho 203 ho qala ho sebelisa litekanyetso tsena.
Lintlha tsohle li ka kenngoa ho EEPROM ebe li ngolloa lirejiseteng tse nepahetseng ka mongolo o le mong ho ea atereseng ea motheo + 3.
SAMPLE MANANE
Ho na le li-s tse peliample mananeo a kenngoa ka CD e rometsoeng le boto. Tsena ke:
Sample 1 Lenaneo lena le fanoe ka C, Pascal, le QuickBASIC. E etsa tlhahlobo ea tšobotsi ea loopback ea UART. Ha e hloke lisebelisoa tsa ka ntle ebile ha ho litšitiso.
Sample 2 Lenaneo lena le fanoa ka C feela mme le bonts'a ts'ebetso ea RS-485 halofo ea duplex e tsamaisoang ke tšitiso. Lenaneo le hloka bonyane likhomphutha tse peli tse nang le boto e le 'ngoe ho e' ngoe le thapo ea terata e 'meli e li kopanyang. Thapo eo e tlameha ho hokahanya lithakhisa tsa Tx ho tloha botong ea 1 ho ea ho lithakhisa tsa Rx ka ho latellana tsa board 2 le Tx pins ho tloha board 2 ho ea ho Rx pins ho board 1.
Board 1 to Board 2 TRx- 3 ÅÆ TRx- 3 TRx+ 2 ÅÆ TRx+ 2
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RS-485 LENANEO
Ho hlophisa UART bakeng sa puisano ea RS-485 ho ka aroloa likarolo tse tharo tse ikhethileng: ho qala, ho amohela le phetisetso. Ho qala ho sebetsana le khetho ea ho seta chip ho kenyelletsa khetho ea sekhahla sa baud. Kamohelo e sebetsana le ts'ebetso ea litlhaku tse kenang e ka etsoang ho sebelisoa likhetho kapa litšitiso. Phetiso e sebetsana le mokhoa oa ho romella data.
TS'ELISO
Ho qala chip ho hloka tsebo ea sete ea rejisetara ea UART. Mohato oa pele ke ho seta sekhahla sa sekhahla sa baud. U etsa sena ka ho qala ka ho beha DLAB (Divisor Latch Access Bit) holimo. Benyane ena ke Bit 7 ho Aterese ea Base +3. Ka khoutu ea C, mohala e tla ba:
outportb(BASEADDR +3,0×80);
Ebe u kenya karohano ho Base Address +0 (low byte) le Base Address +1 (high byte). Equation e latelang e hlalosa kamano pakeng tsa sekhahla sa baud le divisor:
sekhahla se lakatsehang sa baud = (maqhubu a kristale) / (32 * divisor)
Ka boto, maqhubu a oache a 1.8432 MHz (Standard) le 14.7456 MHz (X8) a fanoa. Ka tlase ke tafole ea maqhubu a tsebahalang a divisor:
Lethathamo la 5-3: BAUD RATE MATHEO A AROHANANG
Baud Rate Divisor (Std) Divisor (X8)
Lintlha
Bolelele bo Holimo ba Cable (ft)
921600
-
1
250
460800
-
2
550
230400
-
4
1400
115200
1
8
3000
57600
2
16
4000
38400
3
24
4000
28800
4
32
4000
19200
6
48
4000
14400
8
64
4000
9600
12
96
Tse Tloaelehileng ka ho Fetisisa
4000
4800
24
192
4000
2400
48
384
4000
1200
96
768
4000
* Bohole bo phahameng bo khothalelitsoeng bakeng sa likhoele tsa data tse tsamaisoang ka mokhoa o fapaneng (RS422 kapa RS-485) ke tsa maemo a tloaelehileng. Mehala ea puisano ea RS-232 e na le bolelele bo boholo ba maoto a 50, ho sa tsotelehe lebelo.
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Ho C, khoutu ea ho beha chip ho 9600 baud ke:
outportb(BASEADDR, 0x0C); outportb(BASEADDR +1,0);
Mohato oa bobeli oa ho qala ke ho beha Ngoliso ea Taolo ea Line ho Aterese ea Base +3. Rejiseta ena e hlalosa bolelele ba mantsoe, li-stop bits, parity, le DLAB.
Bits 0 le 1 laola bolelele ba lentsoe le ho lumella bolelele ba mantsoe ho tloha ho 5 ho isa ho 8 bits. Li-setting tsa Bit li ntšoa ka ho tlosa 5 ho bolelele ba lentsoe le lakatsehang.
Bit 2 e lekanya palo ea li-stop bits. Ho ka ba le li-stop bits tse le 'ngoe kapa tse peli. Haeba Bit 2 e setetsoe ho 0, ho tla ba le sekheo se le seng. Haeba Bit 2 e setetsoe ho 1, ho tla ba le li-stop bits tse peli.
Li-bits 3 ho isa ho tse 6 li laola parity le ho senya li nolofalletsa. Ha li sebelisoe hangata bakeng sa likhokahano 'me li lokela ho hlophisoa ho li-zero.
Bit 7 ke DLAB e boletsoeng pejana. E tlameha ho hlophisoa ho zero ka mor'a hore karohano e kenngoe kapa ho seng joalo ho ke ke ha e-ba le likhokahano.
Taelo ea C ea ho beha UART bakeng sa lentsoe la 8-bit, ha ho na parity, 'me e le 'ngoe ea ho emisa ke:
outportb(BASEADDR +3, 0x03)
Mohato oa ho qetela oa ho qala ke ho hlakola li-buffers tsa moamoheli. U etsa sena ka ho bala habeli ho tsoa ho buffer ea moamoheli ho Base Address +0. Ha e felile, UART e se e loketse ho sebelisoa.
KAMOHELO
Kamohelo e ka sebetsoa ka mekhoa e 'meli: likhetho le tse tsamaisoang ke tšitiso. Ha ho etsoa likhetho, kamohelo e finyelloa ka ho lula u bala Linepe ea Boemo ba Boemo ho Aterese ea Base +5. Bit 0 ea rejisetara ena e behiloe holimo neng kapa neng ha data e se e loketse ho baloa ho tsoa ho chip. Loop e bonolo ea likhetho e tlameha ho lula e lekola karolo ena 'me e bale data ha e ntse e fumaneha. Sekhechana se latelang sa khoutu se kenya tšebetsong loop ea likhetho 'me se sebelisa boleng ba 13, (ASCII Carriage Return) joalo ka lesupa la pheletso ea phetisetso:
etsa {
ha (!(inportb(BASEADDR +5) & 1)); data[i++]= inportb(BASEADDR); } ha (data[i]!=13);
/*Ema ho fihlela data e lokile*/ /*E bala mola ho fihlela litlhaku tse se nang letho li ngotsoe*/
Lipuisano tse tsamaisoang ke tšitiso li lokela ho sebelisoa neng kapa neng ha ho khoneha 'me li hlokeha bakeng sa litefiso tse phahameng tsa data. Ho ngola seamoheli se tsamaisoang ke tšitiso ha se ntho e thata ho feta ho ngola moamoheli o hlahlobiloeng empa tlhokomelo e lokela ho nkuoa ha u kenya kapa u tlosa sebatli sa hau se sitisang ho qoba ho ngola tšitiso e fosahetseng, ho tima tšitiso e fosahetseng, kapa ho tima litšitiso ka nako e telele haholo.
Motho ea sebetsanang le eena o tla qala ka ho bala Rejistara ea Boitsebiso ba Tšitiso ho Aterese ea Batla +2. Haeba tšitiso e le ea Received Data Available, motshwari joale o bala data. Haeba ho se na tšitiso e sa lebelloang, taolo e tsoa tseleng. A sample handler, e ngotsoeng ka C, e tjena:
bala = inportb(BASEADDR +2);
haeba (bala-morao & 4)
/*Ho bala ho tla hlophisoa ho 4 haeba data e le teng*/
data[i++]=inportb(BASEADDR);
kantle (0x20,0x20); /*Ngola EOI ho 8259 Interrupt Controller*/
khutla;
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TŠEBELETSO
Phetiso ea RS-485 e bonolo ho e sebelisa. Karolo ea AUTO ea boto ka bo eona e nolofalletsa motho ea fetisang molaetsa ha data e se e loketse ho romelloa, kahoo ha ho hlokahale hore ho be le software.
Ho fetisetsa letoto la data, transmitter e tlameha ho qala ka ho hlahloba Bit 5 ea Line Status Register ho Base Address +5. Karolo eo ke folakha e se nang letho ea transmitter-holding-register. Haeba e phahame, transmitter e rometse data. Ts'ebetso ea ho hlahloba hanyane ho fihlela e nyoloha e lateloa ke ho ngola e phetoa ho fihlela ho se na data e setseng.
Sekhechana se latelang sa khoutu sa C se bonts'a ts'ebetso ena:
outportb(BASEADDR +4, inportb(BASEADDR +4)|0x02);
/* Beha RTS hanyane ntle le ho fetola maemo a likarolo tse ling */
ha (data[i]);
/*Ha ho na le data e lokelang ho romelloa*/
{
ha(!(inportb(BASEADDR +5)&0x20)); /*Ema ho fihlela transmitter e se na letho*/
outportb(BASEADDR,data[i]);
ke++;
}
outportb(BASEADDR +4, inportb(BASEADDR +4)&0xFD);
/* Seta bocha RTS ntle le ho fetola maemo a likarolo tse ling */
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Khaolo ea 6: KABELO PIN ea KHONEKE
Ho fanoe ka Sehlooho sa Male IDC sa lipini tse 50 ka botong. Pinout ea sehokelo sena ea latela. Cabling ea boikhethelo e roba Hlooho ea Pin ea 50 ho ea ho 8, lihokelo tsa DB9 Male.
Lethathamo la 6-1: LIKHOKELO TSA PIN
Pin # RS-485 Functions RS-422 Functions Pin # RS-485 Functions RS-422 Functions
1
Fatše
Fatše
26
Ch E Tx + le Rx +
Ch E Tx +
2
Ch A Tx + le Rx +
Ch A Tx +
27
Ch E Tx le Rx -
Ch E Tx -
3
Ch A Tx le Rx -
Ch A Tx -
28
Fatše
Fatše
4
Fatše
Fatše
29
Ch E Rx +
5
Ch A Rx +
30
Ch E Rx -
6
Ch A Rx -
31
Fatše
Fatše
7
Fatše
Fatše
32
Ch F Tx + le Rx +
Ch F Tx +
8
Ch B Tx + le Rx +
Ch B Tx +
33
Ch F Tx le Rx -
Ch F Tx -
9
Ch B Tx le Rx -
Ch B Tx -
34
Fatše
Fatše
10
Fatše
Fatše
35
Ch F Rx +
11
Ch B Rx +
36
Ch F Rx -
12
Ch B Rx -
37
Fatše
Fatše
13
Fatše
Fatše
38
Ch G Tx + le Rx +
Ch G Tx +
14
Ch C Tx + le Rx +
Ch C Tx +
39
Ch G Tx le Rx -
Ch G Tx -
15
Ch C Tx le Rx -
Ch C Tx -
40
Fatše
Fatše
16
Fatše
Fatše
41
Ch G Rx +
17
Ch C Rx +
42
Ch G Rx -
18
Ch C Rx -
43
Fatše
Fatše
19
Fatše
Fatše
44
Ch H Tx + le Rx +
Ch H Tx +
20
Ch D Tx + le Rx +
Ch D Tx +
45
Ch H Tx le Rx -
Ch H Tx -
21
Ch D Tx le Rx -
Ch D Tx -
46
Fatše
Fatše
22
Fatše
Fatše
47
Ch H Rx +
23
Ch D Rx +
48
Ch H Rx -
24
Ch D Rx -
49
Fatše
Fatše
25
Fatše
Fatše
50
Fatše
Fatše
22
Setšoantšo sa 104-COM-8S
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Khaolo ea 7: TLHALOSO
TS'ELISO SEBAKA
Sehokelo se le seng sa 50 se fanoe
Ho na le lithapo tse robeli boema-kepe bo bong le bo bong hammoho le mabaka a tloaelehileng
Bolelele ba Litlhaku: 5,6,7, kapa 8 bits
Bonngoe:
Leha ho le joalo, ka mokhoa o makatsang, kapa che
Nako ea ho Emisa:
1, 1.5, kapa 2 likotoana
Litefiso tsa data ea serial: Ho fihla ho 115.2K baud, asynchronous. Mefuta e potlakileng ea litefiso, ho fihla ho 921.6K, e
finyelloang ke khetho ea jumper
Multidrop:
E lumellana le litlhaloso tsa RS-485. Ho fihlela ho bakhanni ba 32 le ba amohelang ba lumelloa
mocheng. Bakhanni / Baamoheli ba sebelisitsoeng ke mofuta oa 75ALS180
E lumellana le litlhaloso tsa RS-422. Ho fihla ho baamoheli ba leshome ba lumelletsoeng moleng.
Aterese:
Aterese ea ISA BUS e beoa ke batho ba tlolang boto. Liaterese tsa kanale ke
e lula e jarisitsoe ho tsoa mohopolong o sa fetoheng
E sitisa:
Li-IRQ tsa motho ka mong bakeng sa mocha ka mong li bolokiloe ka har'a memori e sa fetoheng
Maikutlo a Moamoheli:
± 200 mV phapano ea kenyelletso
Mokhoa o Tloaelehileng Moqtage Range: + 12V ho -7V Transmitter
Matla a Output Drive:
60 mA e nang le ho koala ha mocheso.
Pheliso:
Liqeto tse khethiloeng tsa Jumper bakeng sa ho kenya le ho tsoa, ka kanale, li fanoe.
Ho boetse ho fanoa ka leeme.
TIKOLOHO
Sebaka sa Mocheso o sebetsang: 0 ho +60 °C
Sebaka sa Mocheso oa polokelo: -50 ho ea ho +120 °C
Mongobo:
5% ho isa ho 95%, e sa fokotseng.
Matla a Hlokahala:
+ 5 VDC ho 400 mA e tloaelehileng, 800 mA boholo.
Boholo:
PC/104 sebopeho, 3.5" ka 3.75 ″.
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SEHLOMATHISO A
LIEKETSENG KOPO
LIEKETSENG
Ho sebetsa ka lisebelisoa tsa RS-485 ha ho fapane haholo le ho sebetsa ka lisebelisoa tse tloaelehileng tsa RS-232 mme tekanyetso ena e hlola mefokolo ea maemo a RS-232. Ntlha ea pele, bolelele ba cable pakeng tsa lisebelisoa tse peli tsa RS-232 e tlameha ho ba khutšoanyane; ka tlase ho maoto a 50. Ea bobeli, liphoso tse ngata tsa RS-232 ke phello ea lerata le bakoang ke likhoele. Tekanyetso ea RS-485 e lumella cable hore e be bolelele ba limithara tse 4000, 'me, kaha e sebetsa ka mokhoa o fapaneng, ha e sireletse lerata le bakoang.
Khaello ea boraro ea RS-232 ke hore lisebelisoa tse fetang tse peli ha li khone ho arolelana thapo e le 'ngoe. Sena ke 'nete hape bakeng sa RS422 empa RS-485 e fana ka melemo eohle ea RS422 plus e lumella lisebelisoa tse ka bang 32 ho arolelana lipara tse tšoanang tse sothehileng. Mokhelo ho se boletsoeng ka holimo ke hore lisebelisoa tse ngata tsa RS422 li ka arolelana thapo e le 'ngoe haeba e le 'ngoe feela e tla bua 'me tse ling li tla lula li amohela.
LEKANETSO MATS'OANE
Lebaka leo ka lona lisebelisoa tsa RS422 le RS-485 li ka khanna mela e telele e nang le tšireletso ea lerata ho feta lisebelisoa tsa RS-232 ke hore ho sebelisoa mokhoa o leka-lekaneng oa phapang. Ka tsamaiso e leka-lekaneng ea phapang, voltage hlahisoang ke mokhanni e hlaha ka mose ho para ea lithapo. Mokhanni oa mohala o leka-lekaneng o tla hlahisa molumo oa phapangtage ho tloha ho ± 2 ho ea ho ± 6 li-volts ho pholletsa le li-terminals tsa eona tsa tlhahiso. Mokhanni oa mohala o leka-lekaneng a ka boela a ba le pontšo ea "enable" e kopanyang mokhanni ho li-terminals tsa eona tsa tlhahiso. Haeba lets'oao la "enable" le TIMA, mokhanni o hakoa mothating oa phetiso. Boemo bona bo khaotsoeng kapa bo holofetseng hangata bo bitsoa boemo ba "tristate" mme bo emela ts'ireletso e phahameng. Bakhanni ba RS-485 ba tlameha ho ba le bokhoni bona ba ho laola. Bakhanni ba RS422 ba ka ba le taolo ena empa ha e hlokehe kamehla.
Moamoheli oa mola o leka-lekaneng o utloa molumotage boemo ba mohala oa phetiso ho pholletsa le mela e 'meli ea ho kenya matšoao. Haeba phapang e kenyang voltage e kholo ho feta +200 mV, moamoheli o tla fana ka boemo bo itseng ba kelello mabapi le tlhahiso ea eona. Haeba phapang voltage input e ka tlase ho -200 mV, moamoheli o tla fana ka boemo bo fapaneng ba kelello mabapi le tlhahiso ea eona. Boholo bo sebetsang ka matlatage tsoa ho +6V ho ea ho -6V e lumellang hore ho be le voltage attenuation e ka etsahalang ka lithapo tse telele tsa phetiso.
Boemo bo phahameng bo tloaelehileng voltagtekanyetso ea ± 7V e fana ka tšireletso e ntle ea lerata ho tsoa ho voltage hlohlelletsoa meleng e sothehileng. Khokahano ea mohala oa lets'oao e ea hlokahala molemong oa ho boloka mokhoa o tloaelehileng oa voltage ka hare ho sebaka seo. Potoloho e ka sebetsa ntle le khokahanyo ea fatše empa e ka 'na ea se ke ea tšepahala.
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Letlapa A-1: RS-422 KAKARETSO KAKARETSO
Paramethara
Maemo Min.
Max.
Mokhanni Output Voltage (e laoloe)
4V
6V
-4V
-6V
Mokhanni Output Voltage (e tletse)
TERM jumpers ho 2V -2V
Mokhanni Output Resistance
50
Mokhanni Output Short-Circuit Current
± 150 MA
Nako ea Phahamiso ea Mokhanni
10% karohano ea yuniti
Boikutlo ba ho amohela
± 200 mV
Receiver Common Mode Moqtage Range
± 7V
Receiver Inpust Resistance
4K
Ho thibela lipontšo tsa mats'oao ho thapo le ho ntlafatsa ho hana lerata ka mokhoa oa RS422 le RS-485, pheletso ea moamoheli ea mohala e lokela ho felisoa ka khanyetso e lekanang le ts'ebetso e ts'oanang ea thapo. (Mokhelo ke ha mohala o khannoa ke mokhanni oa RS422 o sa kang oa "tristated" kapa oa khaoloa moleng. Tabeng ena, mokhanni o fana ka tšitiso e tlase e ka hare e felisang mohala qetellong eo.)
HLOKOMELA
Ha ho hlokahale hore u kenye sehanyetsi sa terminator ho likhoele tsa hau ha u sebelisa boto. Lihanyetsi tsa ho emisa bakeng sa RX+ le RX- mela li fanoe ka boto 'me li behoa potolohong ha u kenya li-jumpers tsa LOAD (LD). (Sheba karolo ea Kgetho ya Bukana ena.)
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RS-485 TŠEBELETSO EA DATA Tekanyetso ea RS-485 e lumella mohala o leka-lekaneng oa phetiso hore o arolelanoe ka mokhoa oa mokha. Lipara tse ka bang 32 tsa bakhanni/baamoheli li ka arolelana marang-rang a mekha e 'meli. Litšobotsi tse ngata tsa bakhanni le ba amohelang li tšoana le tsa RS422 Standard. Phapang e 'ngoe ke hore mokhoa o tloaelehileng oa voltagmoeli oa e oa atolosoa mme ke +12V ho ea ho -7V. Kaha mokhanni ofe kapa ofe a ka hangoa (kapa a khelosoa) moleng, e tlameha ho mamella mokhoa ona o tloaelehileng oa voltage range ha e ntse e le maemong a mararo.
RS-485 Two-Wire Multidrop Network Papiso e latelang e bonts'a marang-rang a tloaelehileng a li-multidrop kapa li-party line. Hlokomela hore khoele ea phetiso e felisitsoe lipheletsong tse peli tsa mohala empa eseng libakeng tse theohang bohareng ba mohala.
Setšoantšo sa A-1: Tloaelehileng RS-485 Two-Wire Multidrop Network
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Maikutlo a Bareki
Haeba u na le mathata ka bukana ena kapa u batla feela ho re fa maikutlo, ka kopo re romelle imeile ho: manuals@accesio.com. Ka kopo, hlakisa liphoso life kapa life tseo u li fumanang 'me u kenyelle aterese ea hau ea lengolo-tsoibila e le hore re ka u romella lintlha life kapa life tsa letsoho.
10623 Roselle Street, San Diego CA 92121 Tel. (858)550-9559 FAX (858)550-7322 www.accesio.com
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Litsamaiso tse tiisitsoeng
Assured Systems ke k'hamphani e etelletseng pele ea theknoloji e nang le bareki ba kamehla ba fetang 1,500 linaheng tse 80, e sebelisang litsamaiso tse fetang 85,000 ho bareki ba fapaneng lilemong tse 12 tsa khoebo. Re fana ka litharollo tsa boleng bo holimo le tse ncha tsa likhomphutha, ponts'o, marang-rang le pokello ea lintlha ho makaleng a mebaraka a kenelletseng, a indasteri le a dijithale a sa sebetseng.
US
sales@assured-systems.com
Thekiso: +1 347 719 4508 Tšehetso: +1 347 719 4508
1309 Coffeen Ave Ste 1200 Sheridan WY 82801 USA
EMEA
sales@assured-systems.com
Thekiso: +44 (0)1785 879 050 Tšehetso: +44 (0)1785 879 050
Unit A5 Douglas Park Stone Business Park Stone ST15 0YJ United Kingdom
Nomoro ea VAT: 120 9546 28 Nomoro ea Ngoliso ea Khoebo: 07699660
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Litokomane / Lisebelisoa
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ASSURED 104-COM-8S, 104-COM-4S 8/4 Port Serial Communication Board [pdf] Bukana ea Mosebelisi 104-COM-8S, 104-COM-4S, 104-COM-8S 104-COM-4S 8 4 Port Serial Communication Board, 104-COM-8S 104-COM-4S, 8 4 Port Serial Communication Board, Serial Communication Board, Communication Board, Board |
