ASSURED SYSTEMS 104-COM-8S Serial Communication Board

Cov lus qhia siv khoom

• Nws yog ib qho tseem ceeb kom ua raws li cov kev tiv thaiv kev nyab xeeb no kom tsis txhob muaj kev puas tsuaj rau lub rooj tsavxwm:
• Ib txwm txuas thiab tshem tawm cov kab txuas txuas nrog lub computer fais fab tuag.
• Tua lub computer fais fab ua ntej txhim kho lub rooj tsavxwm.
• Tsis txhob txuas lossis txiav cov cables nrog lub khoos phis tawj lossis lub zog hluav taws xob.
• Xa mus rau tus neeg siv phau ntawv rau cov lus qhia ntxaws txog kev teeb tsa.
• Xyuas kom lub computer fais fab tuag ua ntej txhim kho lub rooj tsavxwm.
• Cov khoom lag luam los nrog kev lees paub los ntawm ACCES I/O Khoom, Inc. Warranty kev pab cuam suav nrog:
• Thawj Peb Lub Xyoo: Kho thiab hloov pauv yam tsis tau them nqi rau kev ua haujlwm lossis cov khoom tsis suav nrog kev lav.
• Xyoo tom ntej: On-site lossis hauv-cog kev pabcuam muaj nyob ntawm tus nqi tsim nyog.
• Cov Khoom Siv Tsis Tsim Nyog los ntawm ACCES: Kev them nyiaj raws li cov chaw tsim khoom lav.

FAQ

• Q: Kuv yuav ua li cas yog tias kuv cov cuab yeej ua tsis tiav?
  • A: Hu rau ACCES kom tau txais kev pabcuam sai thiab txhawb nqa. Cov khoom siv tsis raug yuav raug kho lossis hloov raws li cov lus cog tseg.
• Q: Kuv puas tuaj yeem txuas lub rooj tsavxwm thaum lub khoos phis tawj qhib?
  • A: Tsis yog, nco ntsoov xyuas kom lub computer fais fab tuag ua ntej txuas lossis txiav lub rooj tsavxwm kom tsis txhob muaj kev puas tsuaj.

Daim ntawv ceeb toom

• Cov ntaub ntawv hauv daim ntawv no tsuas yog muab rau kev siv xwb.
• ACCES tsis suav tias muaj kev lav phib xaub uas tshwm sim los ntawm daim ntawv thov lossis siv cov ntaub ntawv lossis cov khoom tau piav qhia hauv no.
• Cov ntaub ntawv no yuav muaj lossis siv cov ntaub ntawv thiab cov khoom tiv thaiv los ntawm cov cai lossis patents thiab tsis xa cov ntawv tso cai raws li txoj cai patent ntawm ACCES, lossis cov cai ntawm lwm tus.
• IBM PC, PC/XT, thiab PC/AT yog cov npe lag luam ntawm International Lag Luam Machinery Corporation.
• Luam tawm hauv Tebchaws Meskas. Copyright 2003, 2005 los ntawm ACCES I/O Products, Inc. 10623 Roselle Street, San Diego, CA 92121. All rights reserved.

CEEB TOOM!
NTAUB NTAWV CEEB TOOM thiab txiav koj cov kab hluav taws xob txuas nrog lub khoos phis tawj fais fab. NTAUB NTAWV QHIA TXOG KEV UA HAUJ LWM UA HAUJ LWM UA HAUJ LWM UA HAUJ LWM. Kev sib txuas thiab txiav cov kab hluav taws xob, lossis teeb tsa lub rooj tsavxwm rau hauv lub tshuab nrog lub khoos phis tawj lossis lub zog hluav taws xob tuaj yeem ua rau muaj kev puas tsuaj rau I / O board thiab yuav tsis muaj tag nrho cov kev lav phib xaub, txhais los yog nthuav tawm.

Warranty

• Ua ntej ua zaub mov xa tuaj, ACCES cov cuab yeej raug tshuaj xyuas kom zoo thiab sim ua raws li cov lus qhia tshwj xeeb.
• Txawm li cas los xij, yog tias cov khoom siv tsis ua haujlwm tshwm sim, ACCES lees paub nws cov neeg siv khoom kom muaj kev pabcuam sai thiab kev txhawb nqa.
• Tag nrho cov cuab yeej tsim los ntawm ACCES uas pom tias muaj kev puas tsuaj yuav raug kho lossis hloov raws li cov kev xav hauv qab no.

Cov Cai thiab Cov Cai

• Yog hais tias ib chav tsev xav tias tsis ua hauj lwm, hu rau ACCES' Customer Service department.
• Npaj kom muab tus qauv naj npawb, serial tooj, thiab piav qhia txog cov tsos mob tsis ua hauj lwm.
• Peb yuav qhia qee qhov kev sim yooj yim kom paub meej tias qhov ua tsis tiav. Peb yuav muab tus lej Xa Khoom Rov Qab (RMA) uas yuav tsum tshwm sim ntawm daim ntawv lo sab nraud ntawm pob khoom xa rov qab.
• Tag nrho cov chav nyob / cov khoom yuav tsum tau ntim kom zoo rau kev tuav thiab xa rov qab nrog cov nqi thauj khoom ua ntej mus rau ACCES Lub Chaw Pabcuam thiab yuav raug xa rov qab mus rau tus neeg siv khoom / tus neeg siv lub xaib freight prepaid thiab invoiced.

Kev pab them nqi

• Thawj peb xyoos: Rov qab chav tsev / ib feem yuav raug kho thiab / lossis hloov ntawm ACCES kev xaiv yam tsis tau them nqi zog lossis cov khoom tsis suav nrog kev lav. Warranty pib nrog cov khoom xa tuaj.
• Tom qab Xyoo: Thoob plaws hauv koj cov cuab yeej siv lub neej, ACCES npaj txhij los muab kev pabcuam rau ntawm qhov chaw lossis hauv cov nroj tsuag ntawm tus nqi tsim nyog zoo ib yam li lwm cov tuam txhab hauv kev lag luam.

Cov khoom siv tsis yog tsim los ntawm ACCES

• Cov cuab yeej muab tab sis tsis tsim los ntawm ACCES tau lees paub thiab yuav raug kho raws li cov lus cog tseg thiab cov xwm txheej ntawm cov chaw tsim khoom siv cov khoom siv lav.

General
Raws li qhov Warranty no, kev lav phib xaub ntawm ACCES yog txwv rau kev hloov pauv, kho lossis muab credit (ntawm ACCES kev txiav txim siab) rau txhua yam khoom uas tau lees paub tias muaj kev puas tsuaj thaum lub sijhawm lav. Tsis muaj qhov xwm txheej twg yog ACCES lav rau qhov tshwm sim lossis kev puas tsuaj tshwj xeeb los ntawm kev siv lossis siv tsis raug ntawm peb cov khoom. Tus neeg siv khoom yog lub luag haujlwm rau txhua tus nqi uas tshwm sim los ntawm kev hloov kho lossis ntxiv rau ACCES cov cuab yeej tsis tau pom zoo sau los ntawm ACCES lossis, yog tias hauv ACCES xav tias cov khoom siv tau raug siv tsis raug. "Kev siv txawv txav" rau lub hom phiaj ntawm qhov kev lees paub no txhais tau tias yog ib qho kev siv uas cov cuab yeej raug nthuav tawm lwm yam tshaj li qhov siv tau teev tseg lossis npaj ua pov thawj los ntawm kev yuav khoom lossis muag sawv cev. Lwm yam tshaj li qhov saum toj no, tsis muaj lwm yam kev lees paub, qhia lossis qhia, yuav tsum siv rau ib qho thiab tag nrho cov khoom siv los yog muag los ntawm ACCES.

FUNCTIONAL DESCRIPTION

• Cov Serial Interface Boards muaj yim lossis plaub qhov chaw nres nkoj ywj pheej thiab muab kev sib txuas lus zoo RS-485 thiab RS-422. Txhua channel yuav raug teeb tsa rau ob hom. Jumpers ntawm lub rooj tsavxwm tso cai rau kev xaiv ntawm kev teeb tsa, suav nrog kev txiav tawm, rau txhua tus neeg channel.
• Cov laug cam yog tsim los ntawm PC/104 hom.
• Nws qhov ntev yog kwv yees li 3.775 nti X 3.550 nti. Tag nrho cov teeb liab sib txuas yog tsim los ntawm 50-pin connector, mounted ntawm ntug ntawm lub rooj tsavxwm.

RS-485 BALANCED MODE Kev ua haujlwm

• Lub rooj tsavxwm txhawb nqa RS-485 hom uas siv cov tsav tsheb sib txawv kom muaj zog ntxiv thiab tiv thaiv suab nrov. RS-485 specification txhais qhov siab tshaj plaws ntawm 32 li ntawm ib kab. Tus naj npawb ntawm cov khoom siv rau ntawm ib kab tuaj yeem nthuav dav los ntawm kev siv "repeaters".
• Lub rooj tsavxwm kuj tseem tuaj yeem ntxiv cov khoom thauj khoom los txiav cov kab sib txuas. RS-485 kev sib txuas lus xav kom ib lub transmitter muab kev tsis ncaj ncees voltage kom paub meej lub xeev "zero" thaum tag nrho cov transmitters tawm. Tsis tas li ntawd, cov khoom siv tau txais ntawm txhua qhov kawg ntawm lub network yuav tsum raug txiav kom tshem tawm "ringing".
• Cov laug cam no txhawb kev tsis ncaj ncees los ntawm lub neej ntawd thiab txhawb kev txiav tawm los ntawm jumpers ntawm lub rooj tsavxwm. Yog tias koj daim ntawv thov xav kom lub transmitter tsis ncaj ncees, thov hu rau lub Hoobkas.
• Tus neeg tsav tsheb / tus txais siv, hom 75176B, muaj peev xwm tsav tsheb sib txuas lus ntev heev ntawm tus nqi siab baud. Nws tuaj yeem tsav mus txog ± 60 mA ntawm cov kab sib npaug thiab tau txais cov khoom siv qis li 200 mV qhov sib txawv ntawm qhov sib txawv ntawm cov suab nrov nrov ntawm +12 V lossis -7 V.

COMM PORT COMPATIBILITY

• Hom 16550 UART yog siv los ua Asynchronous Communication Element (ACE). Cov no suav nrog 16-byte xa / tau txais tsis pub dhau los tiv thaiv cov ntaub ntawv ploj hauv kev ua haujlwm ntau lub sijhawm thaum tuav 100% kev sib raug zoo nrog thawj IBM qhov chaw nres nkoj. Txawm li cas los xij, cov chaw nres nkoj tsis txwv rau tus qauv COM chaw nres nkoj chaw nyob.
• Kev xaiv chaw nyob tsis tu ncua muaj nyob rau txhua qhov chaw nyob hauv I / O qhov chaw nyob thaj tsam 100 txog 3F8 hex, thiab peb qhov kev pab cuam FINDBASE yuav luam theej duab I/O Bus nco-mapped chaw nyob hauv koj lub computer rau cov chaw nyob uas siv tau yam tsis muaj teeb meem nrog lwm cov khoom siv hauv computer. Qhov no tso cai rau qhov chaw nres nkoj siv los ua ib qho ntawm plaub "tus qauv" COM chaw nres nkoj (COM1 rau COM4), lossis ua ke nrog lawv, hauv kev sib xyaw ua ke.
• Crystal oscillator nyob rau ntawm lub rooj tsavxwm. Qhov oscillator no tso cai rau kev xaiv meej ntawm baud tus nqi ntawm 300 txog 921,600 nrog tus qauv siv lead ua oscillator. Tus qauv siv lead ua oscillator yog siv los tsim ob lub moos.
• Ib qho yog tus qauv 1.8432 MHz moos. Yog tias xav tau baud ntau dua, tus nqi 14.7456MHz tuaj yeem xaiv los ntawm jumper.

Kev sib txuas lus MODES

• Lub rooj tsavxwm txhawb nqa ib nrab-Duplex kev sib txuas lus nrog 2-xaim cable txuas.
• Ib Nrab-Duplex tso cai rau kev khiav tsheb mus rau ob qho kev qhia, tab sis tsuas yog ib txoj kev ntawm ib lub sijhawm.
• RS-485 kev sib txuas lus feem ntau siv ib nrab-duplex hom vim lawv sib koom tsuas yog ib khub ntawm cov xov hlau.

AUTO-RTS TRANSCEIVER CONTROL
Hauv kev sib txuas lus RS-485, tus neeg tsav tsheb yuav tsum tau qhib thiab ua tsis taus raws li qhov xav tau, tso cai rau txhua lub rooj sib tham sib faib ob-hlau cable. Lub rooj tsavxwm tswj tus tsav tsheb txiav. Nrog kev tswj tsis siv neeg, tus tsav tsheb tau qhib thaum cov ntaub ntawv npaj xa mus. Tus neeg tsav tsheb tseem qhib rau lub sijhawm sib kis ntawm ib tus cim tom qab cov ntaub ntawv hloov chaw pib thiab tom qab ntawd raug kaw. Lub receiver yog neeg xiam thaum lub sij hawm RS-485 kis tau tus mob thiab ces enabled thaum tus neeg tsav tsheb transmitter yog neeg xiam. Lub rooj tsavxwm tau hloov kho nws lub sijhawm rau baud tus nqi ntawm cov ntaub ntawv. (CEEB TOOM: Ua tsaug rau qhov kev tswj hwm tsis siv neeg no, lub rooj tsavxwm zoo tagnrho rau siv hauv Windows applications)
IRQ Txhawb nqa
Lub rooj tsavxwm txhawb nqa kev siv IRQ cov peev txheej thiab suav nrog kev sau npe ntawm IRQ rau kev siv nrog cov haujlwm ua haujlwm uas txhawb nqa qhov no, xws li Microsoft's Windows NT. Qhov no tso cai rau lub rooj tsavxwm siv los ntawm ib mus rau tsib theem ntawm IRQ los tswj tag nrho yim qhov chaw nres nkoj, ua kom yooj yim rau kev teeb tsa.

INSTALLATION

• Daim ntawv qhia Quick-Start Guide (QSG) tau ntim nrog lub rooj tsavxwm kom yooj yim rau koj. Yog tias koj twb tau ua cov kauj ruam los ntawm QSG, koj tuaj yeem pom tshooj no rov ua dua thiab tuaj yeem hla mus tom ntej kom pib tsim koj daim ntawv thov.
• Lub software muab nrog lub PC / 104 Board yog nyob rau hauv CD thiab yuav tsum tau muab ntsia rau koj hard disk ua ntej yuav siv.
• Txhawm rau ua qhov no, ua cov kauj ruam hauv qab no kom tsim nyog rau koj lub operating system.

Kev teeb tsa CD

• Cov lus qhia hauv qab no xav tias CD-ROM tsav yog tsav "D". Thov hloov daim ntawv tsav tsheb tsim nyog rau koj qhov system raws li qhov tsim nyog.

DOS

1. Muab cov CD tso rau hauv koj lub CD-ROM tsav.
2. Hom hloov lub active drive rau CD-ROM tsav.
3. Hom khiav qhov kev pab cuam.
4. Ua raws li cov lus qhia ntawm on-screen rau nruab software rau lub rooj tsavxwm no.

WINDOWS

1. Muab cov CD tso rau hauv koj lub CD-ROM tsav.
2. Lub kaw lus yuav tsum cia li khiav qhov kev pab cuam nruab. Yog hais tias qhov kev pab cuam nruab tsis khiav tam sim ntawd, nyem START | Khiav thiab ntaus, nyem OK los yog nias.
3. Ua raws li cov lus qhia ntawm on-screen rau nruab software rau lub rooj tsavxwm no.

LINUX

1. Thov xa mus rau linux.htm ntawm CD-ROM rau cov ntaub ntawv ntawm kev txhim kho cov chaw nres nkoj hauv qab Linux.

Txhim kho Hardware
Ua ntej txhim kho lub rooj tsavxwm, ua tib zoo nyeem Tshooj 3 thiab Tshooj 4 ntawm phau ntawv no thiab teeb tsa lub rooj tsavxwm raws li koj xav tau. SETUP Program tuaj yeem siv los pab hauv kev teeb tsa jumpers ntawm lub rooj tsavxwm. Ceev faj tshwj xeeb nrog Kev Xaiv Chaw Nyob. Yog tias qhov chaw nyob ntawm ob qhov kev teeb tsa ua haujlwm sib tshooj, koj yuav ntsib tus cwj pwm tsis zoo hauv computer. Txhawm rau pab kom tsis txhob muaj teeb meem no, xa mus rau FINDBASE.EXE qhov kev pab cuam ntsia rau hauv CD. Cov txheej txheem teeb tsa tsis teeb cov kev xaiv ntawm lub rooj tsavxwm, cov no yuav tsum tau teeb tsa los ntawm jumpers.
Lub rooj sib tham ntau qhov chaw nres nkoj no siv software-programmable chaw nyob rau txhua qhov UART, khaws cia hauv onboard EEPROM. Configure qhov chaw nyob ntawm EEPROM siv lub onboard Chaw Nyob Xaiv jumper thaiv, tom qab ntawd siv qhov kev pab cuam teeb tsa los teeb tsa chaw nyob rau txhua qhov onboard UART.

Txhawm rau nruab Board

1. Nruab jumpers rau cov kev xaiv xaiv thiab chaw nyob raws li koj daim ntawv thov, raws li tau hais los saum toj no.
2. Tshem tawm lub zog ntawm PC / 104 pawg.
3. Sib dhos standoff hardware rau stacking thiab ruaj cov boards.
4. Ua tib zoo ntsaws lub rooj tsavxwm mus rau PC / 104 connector ntawm CPU los yog mus rau pawg, kom ntseeg tau tias kev sib raug zoo ntawm tus pins ua ntej tag nrho cov khoom sib txuas ua ke.
5. Nruab I/O cables rau ntawm lub rooj tsavxwm I/O connectors thiab txuas ntxiv kom ruaj ntseg pawg ua ke los yog rov ua cov kauj ruam 3-5 kom txog rau thaum tag nrho cov boards raug ntsia siv cov xaiv mounting hardware.
6. Xyuas tias tag nrho cov kev sib txuas hauv koj lub PC / 104 pawg yog qhov tseeb thiab ruaj ntseg tom qab ntawd lub zog ua haujlwm.
7. Khiav ib qho ntawm qhov muab sample cov kev pab cuam tsim nyog rau koj qhov kev khiav hauj lwm uas tau teeb tsa los ntawm CD los sim thiab ua kom koj lub installation.

Txhim kho COM Ports hauv Windows Operating Systems
* CEEB TOOM: COM boards tuaj yeem ntsia tau rau hauv txhua qhov kev khiav haujlwm thiab peb txhawb kev teeb tsa hauv cov ntawv ua ntej ntawm Windows, thiab muaj feem yuav txhawb nqa yav tom ntej thiab. Rau kev siv WinCE, hu rau lub Hoobkas rau cov lus qhia tshwj xeeb.

Windows NT4.0

• Txhawm rau nruab COM chaw nres nkoj hauv Windows NT4 koj yuav tsum tau hloov ib qho kev nkag rau hauv cov npe. Qhov kev nkag no ua rau IRQ sib koom ntawm ntau qhov chaw nres nkoj COM boards. Tus yuam sij yog HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Serial\. Lub npe ntawm tus nqi yog PermitShare thiab cov ntaub ntawv yuav tsum tau teem rau 1.
• Tom qab ntawd koj mam li ntxiv lub rooj tsavxwm cov chaw nres nkoj ua COM chaw nres nkoj, teeb tsa lub hauv paus chaw nyob thiab IRQs kom phim koj lub rooj tsavxwm qhov chaw.
• Txhawm rau hloov tus nqi sau npe, khiav RegEdit los ntawm START|RUN cov ntawv qhia zaub mov xaiv (los ntawm ntaus ntawv REGEDIT [ENTER] hauv qhov chaw muab). Coj mus rau tsob ntoo view ntawm sab laug kom pom tus yuam sij, thiab nyem ob npaug rau ntawm lub npe ntawm tus nqi qhib lub dialog uas tso cai rau koj los teeb tsa cov ntaub ntawv tshiab.

• Txhawm rau ntxiv COM chaw nres nkoj, siv START|CONTROL PANEL|PORTS applet thiab nyem Ntxiv, tom qab ntawd nkag mus rau qhov tseeb UART chaw nyob thiab cuam tshuam tus lej.
• Thaum "Add New Port" dialog yog configured nias OK, tab sis teb "Tsis txhob rov pib dua tam sim no" thaum prompted, kom txog thaum koj tau ntxiv lwm yam ports thiab. Tom qab ntawd rov pib dua lub kaw lus ib txwm, lossis xaiv "Restart Now."

Windows XP

• Txhawm rau nruab COM chaw nres nkoj hauv Windows XP koj yuav tau manually txhim kho "tus qauv" cov chaw nres nkoj sib txuas lus, tom qab ntawd hloov cov chaw rau cov peev txheej siv los ntawm cov chaw nres nkoj kom phim cov khoom siv.
• Khiav lub "Add Hardware" applet los ntawm Tswj Vaj Huam Sib Luag.
• Nyem "Tom ntej" ntawm qhov "Zoo siab txais tos rau Ntxiv Cov Khoom Siv Tshiab Tshiab" dialog.
• Koj yuav pom luv luv "… tshawb nrhiav ..." cov lus, tom qab ntawd Xaiv "Yes, Kuv twb tau txuas nrog lub hardware" thiab nyem "Tom ntej"

• Xaiv "Ntxiv cov cuab yeej kho vajtse tshiab" los ntawm hauv qab ntawm daim ntawv teev npe thiab nyem "Tom ntej".
• Xaiv "Nruab qhov kho vajtse uas kuv xaiv los ntawm ib daim ntawv teev npe" thiab nyem "Tom ntej".
• Xaiv "Ports (COM & LPT) thiab nyem "Tom ntej"
• Xaiv "(Standard Port Types)" thiab "Kev Sib Txuas Lus Chaw Nres Nkoj" (lub neej ntawd), Nyem "Tom ntej." Nyem "Tom ntej".

• Nyem qhov "View los yog hloov cov peev txheej rau qhov kho vajtse no (Advanced)” txuas.

• Nyem qhov "Set Configuration Manually" khawm.
• Xaiv "Basic Configuration 8" los ntawm "Settings Raws li:" drop-down list.
• Xaiv "I/O Range" nyob rau hauv "Resource Settings" box thiab nias lub pob "Hloov chaw ...".
• Nkag mus rau lub hauv paus chaw nyob ntawm lub rooj tsavxwm, thiab nyem "OK"

• Xaiv "IRQ" nyob rau hauv "Resource Settings" box thiab Nyem "Hloov Chaw" khawm.
• Nkag mus rau IRQ ntawm lub rooj tsavxwm thiab nyem "OK".
• Kaw lub "Set Configuration Manually" dialog thiab nyem "Finish."
• Nyem "Tsis txhob Reboot" yog tias koj xav nruab ntau cov chaw nres nkoj. Rov ua txhua yam ntawm cov kauj ruam saum toj no, nkag mus rau tib IRQ tab sis siv qhov chaw nyob hauv Base rau txhua qhov ntxiv UART.
• Thaum koj ua tiav kev txhim kho cov chaw nres nkoj, reboot lub kaw lus ib txwm.

Kev xaiv xaiv

• Txhawm rau pab koj nrhiav cov jumpers uas tau piav qhia hauv ntu no, xa mus rau OPTION SELECTION MAP ntawm qhov kawg ntawm ntu no.
• Kev ua haujlwm ntawm ntu kev sib txuas lus yog txiav txim siab los ntawm jumper installation raws li tau piav qhia hauv kab lus hauv qab no.

TERMINATIONS

• Ib txoj kab sib kis yuav tsum raug txiav tawm ntawm qhov kawg tau txais hauv nws cov yam ntxwv impedance. Txhim kho lub jumper ntawm qhov chaw sau npe TERM siv 120Ω load hla kev xa tawm / tau txais cov tswv yim / tso tawm rau RS-485 kev ua haujlwm.
• Hauv kev ua haujlwm RS-485 qhov twg muaj ntau lub davhlau ya nyob twg, tsuas yog RS-485 cov chaw nres nkoj ntawm txhua qhov kawg ntawm lub network yuav tsum muaj kev txiav tawm cov resistors raws li tau piav qhia saum toj no. Tsis tas li ntawd, rau kev ua haujlwm RS-485, yuav tsum muaj kev tsis ncaj ncees ntawm RX + thiab RX- kab. Yog tias lub rooj tsavxwm tsis muab qhov kev tsis ncaj ncees, hu rau lub Hoobkas kev txhawb nqa.

DATA KEV TXAUS SIAB

• INTERRUUPTS: Lub rooj tsavxwm txhawb IRQ 2, 3, 5, 7, 10, thiab 11 (tshwj tsis yog tshwj tseg los ntawm lwm yam khoom siv kho vajtse).
  Cov qib raug xaiv los ntawm kev sau qhov xav tau qib IRQ mus rau qhov chaw nyob tsim nyog hauv EEPROM thiab muab nws (lawv) thauj khoom los ntawm EEPROM rau hauv cov npe tsim nyog. Channel A, B, C thiab D muaj kev cuam tshuam rau tus kheej thiab cov channel E, F, G thiab H sib cuam tshuam thib tsib. Nws yog ib qho tsim nyog los thauj cov nqi cuam tshuam rau tag nrho cov channel. Yog tias qhov kev cuam tshuam tib yam yuav tsum tau siv rau txhua txoj kev, nws yuav tsum tau nkag mus rau hauv tag nrho tsib qhov kev cuam tshuam hauv EEPROM.
• Thov nco ntsoov: Hauv Windows NT, kev hloov pauv yuav tsum tau ua rau System Registry los txhawb IRQ sib koom. Cov nram qab no yog excerpted los ntawm "Controlling Multiport Serial I/O Boards" muab los ntawm Microsoft nyob rau hauv lub tsev qiv ntawv MSDN. Cov ntaub ntawv id: mk:@ivt:nt40res/D15/S55FC.HTM, kuj muaj nyob rau hauv Windows NT Resource Kit. Cov ntawv sau nyob rau hauv cov kab ke (“[]”) qhia txog cov lus.
• Lub Microsoft serial tsav tsheb tuaj yeem siv los tswj ntau yam ruam ntau lub rooj tsavxwm. Dumb qhia tias kev tswj tsis suav nrog cov txheej txheem ntawm lub nkoj. Txhua qhov chaw nres nkoj ntawm lub rooj tsav xwm multiport muaj qhov sib cais subkey nyob rau hauv CurrentControlSet\Services\Serial subkey hauv Registry. Hauv txhua qhov subkeys no, koj yuav tsum ntxiv qhov tseem ceeb rau DosDevices, cuam tshuam, InterruptStatus, Chaw Nyob, thiab PortIndex vim tias cov no tsis raug kuaj pom los ntawm Hardware Recognizer. (Rau cov lus piav qhia thiab ntau yam rau cov txiaj ntsig no, saib Regentry.hlp, Kev Pabcuam Registry file ntawm Windows NT Workstation Resource Kit CD.)
• Rau example, yog tias koj muaj lub rooj tsav xwm teeb tsa nrog kev tswj hwm thaiv ntawm qhov chaw nyob 0x300, cov chaw nres nkoj sib law liag thiab sib txuas pib ntawm qhov chaw nyob 0x100, thiab IRQ ntawm 0x5 ntawm txhua qhov chaw nres nkoj, qhov tseem ceeb hauv Registry yog:

Serial 2 subkey:

• PortAddress = REG_DWORD 0x100
• Interrupt = REG_DWORD 5
• DosDevices = REG_SZ COM3
• InterruptStatus = REG_DWORD 0x500
• PortIndex = REG_DWORD 1

Serial 3 subkey:

• PortAddress = REG_DWORD 0x108
• Interrupt = REG_DWORD 5
• DosDevices = REG_SZ COM4
• InterruptStatus = REG_DWORD 0x500
• PortIndex = REG_DWORD 2

Serial 4 subkey:

• PortAddress = REG_DWORD 0x110
• Interrupt = REG_DWORD 5
• DosDevices = REG_SZ COM5
• InterruptStatus = REG_DWORD 0x500
• PortIndex = REG_DWORD 3

Serial 5 subkey:

• PortAddress = REG_DWORD 0x118
• Interrupt = REG_DWORD 5
• DosDevices = REG_SZ COM6
• InterruptStatus = REG_DWORD 0x500
• PortIndex = REG_DWORD 4

Serial 6 subkey:

• PortAddress = REG_DWORD 0x120
• Interrupt = REG_DWORD 5
• DosDevices = REG_SZ COM7
• InterruptStatus = REG_DWORD 0x500
• PortIndex = REG_DWORD 5

Serial 7 subkey:

• PortAddress = REG_DWORD 0x128
• Interrupt = REG_DWORD 5
• DosDevices = REG_SZ COM8
• InterruptStatus = REG_DWORD 0x500
• PortIndex = REG_DWORD 6

Serial 8 subkey:

• PortAddress = REG_DWORD 0x130
• Interrupt = REG_DWORD 5
• DosDevices = REG_SZ COM9
• InterruptStatus = REG_DWORD 0x500
• PortIndex = REG_DWORD 7

Serial 9 subkey:

• PortAddress = REG_DWORD 0x138
• Interrupt = REG_DWORD 5
• DosDevices = REG_SZ COM10
• InterruptStatus = REG_DWORD 0x500
• PortIndex = REG_DWORD 8

Qhov InterruptStatus nkag yog 0x500 yog qhov txawv me ntsis; nws yog lub hauv paus chaw nyob ntawm thawj qhov chaw nres nkoj ntxiv rau 0x400. Qhov no feem ntau yuav yog lub npe hu ua thawj qhov chaw nres nkoj, tab sis lub rooj tsavxwm siv qhov chaw nyob aliased no rau cov npe teev npe.

TXOJ CAI TSHIAB

• Txhua qhov chaw nres nkoj lub hauv paus chaw nyob tuaj yeem xaiv nyob qhov twg hauv qhov chaw nyob I / O ntawm 100-3F8 hex, muab qhov chaw nyob tsis sib tshooj nrog lwm cov haujlwm.
• Yog tias tsis ntseeg, xa mus rau lub rooj hauv qab no rau cov npe ntawm cov chaw nyob tus qauv. (Cov thawj thiab theem nrab binary synchronous kev sib txuas lus chaw nres nkoj tau txais kev txhawb los ntawm Kev Ua Haujlwm System.)
• FINDBASE lub hauv paus chaw nyob qhov kev pab cuam muab los ntawm koj pawg thawj coj saib yuav pab koj xaiv qhov chaw nyob hauv paus uas yuav zam qhov tsis sib haum xeeb no.

Table 4-1: STANDARD CHAW UA HAUJ LWM RAU HAUV COMPUTER

HEX RANGE	Siv
000-00F ib	8237 DMA Controller 1
020-021 : kuv	8259 cuam tshuam
040-043 : kuv	8253 Sij Hawm
060-06F ib	8042 Keyboard Controller
070-07F ib	CMOS RAM, NMI Mask Reg, RT Clock
080-09F ib	DMA Nplooj Ntawv Sau Npe
0A0-0BF	8259 Slave Interrupt Controller
0 C0-0 DF	8237 DMA Controller 2
0 F0-0 F1	Math Coprocessor
0 F8-0 FWV	Math Coprocessor
170-177 : kuv	Tsau Disk Controller 2
1 F0-1 F8	Tsau Disk Controller 1
200-207 : kuv	Chaw nres nkoj Game
238-23 Ib	Bus Nas
23C-23F ib	Alt. Bus Nas
278-27F ib	Parallel tshuab luam ntawv
2B0-2BF	EGA
2C0-2CF	EGA
2D0-2 DF	EGA
2 E0-2E7	GPIB (AT)
2 E8-2 EF	Serial Chaw nres nkoj
2 F8-2 FWV	Serial Chaw nres nkoj
300-30F ib	tseg
310-31F ib	tseg
320-32F ib	Hard Disk (XT)
370-377 : kuv	Floppy Controller 2
378-37F ib	Parallel tshuab luam ntawv
380-38F ib	SDLC
3A0-3 AW	SDLC
3B0-3BB	MDA
3 BC-3BF	Parallel tshuab luam ntawv
3C0-3CF	VGA EGA
3D0-3 DF	CGA
3 E8-3 EF	Serial Chaw nres nkoj
3 F0-3 F7	Floppy Controller 1
3 F8-3 FWV	Serial Chaw nres nkoj

Cov chaw nyob jumpers txiav txim qhov chaw nyob ntawm cov tswj thaiv; cov chaw nyob thiab cuam tshuam ntawm cov chaw nres nkoj raug coj los ntawm onboard EEPROM. Cov npe cuam tshuam sib koom (tseem siv hauv NT4) yog hais txog qhov chaw nyob ntawm Channel A.
Qhov chaw nyob bytes nkag mus rau hauv EEPROM sawv cev rau kab A9 txog A3. Qhov yooj yim tshaj plaws los txiav txim siab byte los sau rau qhov chaw nyob xav tau yog faib qhov chaw nyob los ntawm 8. Piv txwv li, qhov chaw nyob hauv paus ntawm 300 yuav yog 300/8 = 60, qhov chaw nyob ntawm 308/8 = 61, thiab lwm yam. (Txhua qhov chaw nyob yog nyob rau hauv hex.)

Table 4-2: ADDRESS JUMPERS

	1 tus lej		2 Tus lej
Jumper Label	A9	A8	A7	A6	A5	—
Chaw Nyob Kab Tswj	A9	A8	A7	A6	A5	A4
Tus nqi Hexadecimal	200	100	80	40	20	10

Txhawm rau nyeem qhov chaw nyob jumper teeb, muab binary "1" rau jumpers uas tsis tau nruab thiab binary "0" rau jumpers ntsia. Rau example, raws li tau piav qhia hauv cov lus hauv qab no, kev xaiv jumper sib raug rau binary 10 000x xxxx (hex 200). Qhov "xxx" sawv cev rau kab nyob A4, A3, A2, A1, thiab A0 siv rau ntawm lub rooj tsavxwm los xaiv tus neeg sau npe, raws li tau piav qhia hauv PROGRAMMING ntu ntawm phau ntawv no.

EXAMPLE ADDRESS SETUP

Jumper Label	A9	A8	A7	A6	A5
Hloov Factors	2	1	8	4	2
Nruab Jumper	TSIS MUAJ	YOG	YOG	YOG	YOG
Binary sawv cev	1	0	0	0	0
Hex Sawv Cev	2		0

• Review ADDRESS SELECTION TABLE ua tib zoo ua ntej xaiv lub rooj tsavxwm chaw nyob. Yog tias qhov chaw nyob ntawm ob qhov kev teeb tsa ua haujlwm sib tshooj koj yuav ntsib tus cwj pwm tsis zoo ntawm lub computer.

PROGRAMMING

• Chaw nres nkoj chaw nyob thiab IRQs raug xaiv los ntawm software los ntawm kev tswj hwm thaiv; lub hauv paus chaw nyob ntawm kev tswj thaiv yog xaiv los ntawm jumpers.
• Cov dej num nyob rau hauv cov tswj thaiv tau pom nyob rau hauv cov tswj thaiv daim ntawv teev npe hauv qab no.

Table 5-1: Tswj Thaiv Sau Npe Daim Ntawv Qhia

Chaw nyob	Nyeem Muaj nuj nqi	Sau Muaj nuj nqi
Qhov chaw nyob hauv paus + 0	—	—
Qhov chaw nyob hauv paus + 1	EEPROM Chaw Nyob	EEPROM Chaw Nyob
Qhov chaw nyob hauv paus + 2	—	EEPROM Data
Qhov chaw nyob hauv paus + 3	—	Load EEPROM Rau Kev Sau Npe

• Cov chaw nyob thiab IRQs ntawm cov chaw nres nkoj raug coj los ntawm EEPROM ntawm lub rooj tsavxwm. Ntxiv rau qhov tau txais kev thauj khoom ntawm lub hwj chim-on, lawv tuaj yeem thauj khoom los ntawm software los ntawm kev sau ntawv mus rau qhov thaiv tswj.
• Cov chaw nyob thiab cuam tshuam tau muab khaws cia hauv EEPROM raws li qhia hauv EEPROM chaw nyob daim ntawv qhia hauv qab no.

Table 5-2: EEPROM Chaw Nyob Map

EEPROM Chaw nyob	EEPROM Cov ntaub ntawv Lub ntsiab lus
1	Chaw nyob rau Channel A
2	Chaw nyob rau Channel B
3	Chaw nyob rau Channel C
4	Chaw nyob rau Channel D
5	Chaw nyob rau Channel E
6	Chaw nyob rau Channel F
7	Chaw nyob rau Channel G
8	Chaw nyob rau Channel H
9	IRQ rau Channel A
A	IRQ rau Channel B
B	IRQ rau Channel C
C	IRQ rau Channel D
D	IRQ rau Channel E, F, G & H

Raws li tau hais nyob rau lwm qhov, cov chaw nyob nkag sawv cev A3 - A9. Yog li, cov ntaub ntawv nkag mus yog qhov chaw nyob xav tau, muab faib los ntawm 8.
Thaum lub rooj tsavxwm tau teeb tsa thawj zaug hauv qhov system, cov chaw nres nkoj tsis tas yuav nyob ntawm qhov chaw nyob tsis siv. Txhawm rau tiv thaiv kev tsis sib haum xeeb nrog lwm cov khoom siv hauv lub cev, lub rooj tsavxwm muaj lub jumper uas cuam tshuam cov chaw nres nkoj, nyob ib sab ntawm lub hauv paus chaw nyob jumpers thiab sau npe "DF". Cov tswj thaiv tseem qhib rau hauv hom no, tso cai rau software los teeb tsa qhov chaw nres nkoj kom tsim nyog. Thaum DF jumper raug tshem tawm, cov chaw nres nkoj yuav nyob ntawm qhov chaw nyob.
Txhawm rau sau cov ntaub ntawv mus rau EEPROM, thawj zaug sau qhov chaw nyob rau EEPROM Chaw nyob sau npe, tom qab ntawv sau rau lossis nyeem los ntawm EEPROM Cov Ntaub Ntawv Sau Npe. Rau example, teeb tsa Channel A rau qhov chaw nyob 3F8, IRQ 5, nrog rau kev tswj hwm thaiv qhov chaw nyob teeb tsa rau 200 (los ntawm jumpers):

• Sau 01 txog 201.
• Sau 7F rau 202.
• Sau 09 txog 201.
• Sau 05 txog 202.

Tom qab ntawd sau txhua yam rau 203 kom pib siv cov txiaj ntsig no.
Tag nrho cov ntaub ntawv tuaj yeem nkag mus rau hauv EEPROM thiab tom qab ntawd sau rau cov ntawv sau npe tsim nyog nrog rau ib qho chaw sau-rau hauv paus chaw nyob + 3.
SAMPLE PROGRAMS
Muaj ob sample cov kev pab cuam nruab nrog lub CD uas xa nrog lub rooj tsavxwm. Cov no yog:

Samplwm 1
Qhov kev pab cuam no muaj nyob rau hauv C, Pascal, thiab QuickBASIC. Nws ua qhov kev sim ntawm lub voj voog rov qab ntawm UART. Nws yuav tsum tsis muaj cov khoom siv sab nraud thiab tsis muaj kev cuam tshuam.
Samplwm 2
Qhov kev pab cuam no yog muab rau hauv C nkaus xwb thiab ua kom pom kev cuam tshuam-tsav RS-485 ib nrab-duplex ua haujlwm. Qhov kev zov me nyuam yuav tsum muaj tsawg kawg yog ob lub khoos phis tawj nrog ib lub rooj tsavxwm hauv txhua qhov thiab ob-xaim cable sib txuas rau lawv. Lub cable yuav tsum txuas lub Tx pins los ntawm board 1 mus rau Rx pins feem ntawm board 2 thiab Tx pins ntawm board 2 mus rau Rx pins ntawm board 1.

RS-485 PROGRAMMING
Programming UART rau RS-485 kev sib txuas lus tuaj yeem muab faib ua peb ntu: pib, txais tos, thiab kev sib kis. Initialization cuam tshuam nrog kev xaiv teeb tsa ntawm lub nti nrog rau baud tus nqi xaiv. Kev txais tos cuam tshuam nrog cov khoom ua haujlwm uas tuaj yeem ua tiav los ntawm kev xaiv tsa lossis cuam tshuam. Kev xa tawm cuam tshuam nrog cov txheej txheem xa cov ntaub ntawv tawm.
INITIALIZATION
Kev pib lub nti yuav tsum muaj kev paub txog UART cov ntawv teev npe. Thawj kauj ruam yog los teeb tsa baud tus nqi divisor. Koj ua qhov no los ntawm thawj zaug teeb tsa DLAB (Divisor Latch Access Bit) siab. Qhov no me ntsis yog Bit 7 ntawm Base Chaw Nyob +3. Hauv C code, hu yuav yog:
outport(BASEADDR +3,0 × 80);
Tom qab ntawd koj thauj cov divisor rau hauv Base Chaw nyob +0 (tsawg byte) thiab Base Chaw nyob +1 (siab byte). Cov kab zauv hauv qab no qhia txog kev sib raug zoo ntawm baud tus nqi thiab divisor:
xav baud rate = (crystal zaus) / (32 * divisor)
Ntawm lub rooj tsavxwm, moos zaus ntawm 1.8432 MHz (Standard) thiab 14.7456 MHz (X8) tau muab. Hauv qab no yog ib lub rooj rau qhov nrov divisor frequencies:

Table 5-3: BAUD RATE DIVISOR VALUES

Baud Tus nqi	Divisor (Std)	Divisor (X8)	Sau ntawv	Max Kab Ntev (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	Feem ntau	4000
4800	24	192		4000
2400	48	384		4000
1200	96	768		4000

• Pom zoo qhov siab tshaj plaws rau kev sib txawv ntawm cov ntaub ntawv sib txawv (RS422 lossis RS-485) yog rau cov xwm txheej raug. RS-232 kab sib txuas lus muaj qhov ntev tshaj plaws ntawm 50 ko taw, tsis hais qhov ceev.

Hauv C, cov cai los teeb tsa lub nti rau 9600 baud yog:

• outportb(BASEADDR, 0x0C);
• outportb(BASEADDR +1,0);

Thawj kauj ruam thib ob yog los teeb tsa Kab Tswj Kev Sau Npe ntawm Chaw Nyob Hauv Paus +3. Daim ntawv teev npe no txhais cov lus ntev, nres cov khoom, sib npaug, thiab DLAB.

• Cov khoom 0 thiab 1 tswj cov lus ntev thiab tso cai rau lo lus ntev ntawm 5 txog 8 khoom. Cov chaw me ntsis raug rho tawm los ntawm rho tawm 5 los ntawm cov lus xav tau ntev.
• Bit 2 txiav txim siab tus naj npawb ntawm cov khoom nres. Nws tuaj yeem muaj ib lossis ob-nres cov khoom. Yog tias Bit 2 raug teeb tsa rau 0, yuav muaj ib qho nres me ntsis. Yog tias Bit 2 tau teeb tsa rau 1, yuav muaj ob qhov nres.
• Cov khoom 3 txog 6 tswj kev sib luag thiab ua kom tawg. Lawv tsis nquag siv rau kev sib txuas lus thiab yuav tsum tau teem rau xoom.
• Bit 7 yog DLAB tau tham ua ntej. Nws yuav tsum tau teem rau xoom tom qab lub divisor tau thauj khoom lossis lwm yam yuav tsis muaj kev sib txuas lus.

Cov lus txib C los teeb UART rau 8-ntsis lo lus, tsis muaj qhov sib luag, thiab ib qho nres me ntsis yog:
outportb(BASEADDR +3, 0x03)

• Cov kauj ruam kawg pib yog kom yaug cov receiver buffers. Koj ua qhov no nrog ob nyeem los ntawm tus neeg txais tsis nyob ntawm
• Qhov chaw nyob hauv paus +0. Thaum ua tiav, UART tau npaj siv.

TXOJ CAI
Kev txais tos tuaj yeem ua tau ob txoj hauv kev: kev xaiv tsa thiab cuam tshuam-tsav. Thaum kev xaiv tsa, kev txais tos tau ua tiav los ntawm kev nyeem tas li Kab Status Register ntawm Base Chaw Nyob +5. Ntsis 0 ntawm qhov kev sau npe no tau teeb tsa siab thaum twg cov ntaub ntawv npaj tau los nyeem los ntawm nti. Lub voj kev xaiv tsa yooj yim yuav tsum tsis tu ncua xyuas qhov me me no thiab nyeem hauv cov ntaub ntawv raws li nws muaj. Cov kab lus hauv qab no siv lub voj voog pov npav thiab siv tus nqi ntawm 13, (ASCII Carriage Return) ua tus cim kawg ntawm kev sib kis:

• Kev sib txuas lus cuam tshuam yuav tsum tau siv thaum twg los tau thiab xav tau rau cov ntaub ntawv siab. Kev sau tus neeg txais kev cuam tshuam tsis yog ntau qhov nyuaj tshaj li kev sau cov neeg txais ntawv pov thawj tab sis kev saib xyuas yuav tsum tau ua thaum txhim kho lossis tshem koj tus neeg cuam tshuam cuam tshuam kom tsis txhob sau ntawv tsis raug cuam tshuam, cuam tshuam tsis raug cuam tshuam, lossis tig kev cuam tshuam rau lub sijhawm ntev.
• Tus neeg tuav ntaub ntawv yuav xub nyeem Daim Ntawv Teev Npe Tsis Txaus Siab ntawm Lub Chaw Nyob +2. Yog tias qhov cuam tshuam yog rau Cov Ntaub Ntawv Tau Txais, tus neeg tuav ntaub ntawv mam li nyeem cov ntaub ntawv. Yog tias tsis muaj kev cuam tshuam tseem tab tom tos, tswj tawm ntawm qhov niaj hnub. A sample handler, sau hauv C, yog raws li nram no:

TRANSMISION

• RS-485 kis tau tus mob yog yooj yim rau siv. Lub AUTO feature ntawm lub rooj tsavxwm cia li tso cai rau lub transmitter thaum cov ntaub ntawv npaj xa mus yog li tsis muaj software enabling yuav tsum tau.
• Txhawm rau xa ib txoj hlua ntawm cov ntaub ntawv, lub transmitter yuav tsum xub xyuas Bit 5 ntawm Kab Status Register ntawm Base Chaw Nyob +5. Qhov me me ntawd yog lub transmitter-tuav-register-dawb chij. Yog tias nws siab, lub transmitter tau xa cov ntaub ntawv. Cov txheej txheem ntawm kev tshuaj xyuas qhov me ntsis kom txog thaum nws mus siab ua raws li kev sau ntawv rov qab mus txog thaum tsis muaj cov ntaub ntawv tseem nyob.
• C code fragment hauv qab no qhia txog cov txheej txheem no:

CONNECTOR PIN ASSINMENTS

• Ib tug 50-pin Txiv neej IDC Header yog muab rau ntawm lub rooj tsavxwm. Lub pinout rau no connector nram qab no. Kev xaiv cabling rhuav tshem 50-Pin Header mus rau 8, DB9 Txiv neej connectors.

Table 6-1: PIN CONNECTIONS

Pin #	RS-485 Muaj nuj nqi	RS-422 Muaj nuj nqi	Pin #	RS-485 Muaj nuj nqi	RS-422 Muaj nuj nqi
1	Hauv av	Hauv av	26	Ch E Tx + Rx +	Ch E Tx +
2	Ch A Tx + Rx +	Ch A Tx +	27	Ch E Tx – and Rx –	Ch E Tx -
3	Ch A Tx – and Rx –	Ch A Tx -	28	Hauv av	Hauv av
4	Hauv av	Hauv av	29		Ch E Rx +
5		Ch A Rx +	30		Ch E Rx –
6		Ch A Rx -	31	Hauv av	Hauv av
7	Hauv av	Hauv av	32	Ch F Tx + and Rx +	Ch F Tx +
8	Ch B Tx + Rx +	Ch B Tx +	33	Ch F Tx – and Rx –	Ch F Tx -
9	Ch B Tx – and Rx –	Ch B Tx -	34	Hauv av	Hauv av
10	Hauv av	Hauv av	35		Ch F Rx +
11		Ch B Rx +	36		Ch F Rx –
12		Ch B Rx –	37	Hauv av	Hauv av
13	Hauv av	Hauv av	38	Ch G Tx + and Rx +	Ch G Tx +
14	Ch C Tx + Rx +	Ch C Tx +	39	Ch G Tx – and Rx –	Ch G Tx -
15	Ch C Tx – and Rx –	Ch C Tx -	40	Hauv av	Hauv av
16	Hauv av	Hauv av	41		Ch G Rx +
17		Ch C Rx +	42		Ch G Rx –
18		Ch C Rx -	43	Hauv av	Hauv av
19	Hauv av	Hauv av	44	Ch H Tx + and Rx +	Ch H Tx +
20	Ch D Tx+ and Rx+	Ch D Tx +	45	Ch H Tx – and Rx –	Ch H Tx –
21	Ch D Tx – and Rx –	Ch D Tx -	46	Hauv av	Hauv av
22	Hauv av	Hauv av	47		Ch H Rx +
23		Ch D Rx +	48		Ch H Rx –
24		Ch D Rx –	49	Hauv av	Hauv av
25	Hauv av	Hauv av	50	Hauv av	Hauv av

SPECIFICATION

Kev sib txuas lus INTERFACE

• Ib tug 50-pin connector yog muab
• Muaj yim tus pins rau ib qhov chaw nres nkoj ntxiv rau qhov chaw
• Cim Length: 5,6,7, lossis 8 ntsis
• Parity: Txawm, khib, lossis tsis muaj
• Nres Nres Nres: 1, 1.5, lossis 2 ntsis
• Serial Cov Ntaub Ntawv Tus Nqi: Txog 115.2K baud, asynchronous. Qhov ntau ntawm cov nqi nrawm dua, mus txog 921.6K, ua tiav los ntawm kev xaiv jumper
• Multidrop: Tau tshaj RS-485 specifications. Txog 32 tus neeg tsav tsheb thiab cov neeg txais tau tso cai online. Cov neeg tsav tsheb / cov neeg txais siv yog hom 75ALS180
• Tau tshaj RS-422 specifications. Txog li kaum tus txais tau tso cai online.
• Chaw Nyob: ISA BUS chaw nyob yog teem los ntawm jumpers ntawm lub rooj tsavxwm. Channel chaw nyob yeej ib txwm thauj khoom los ntawm lub cim xeeb uas tsis muaj qhov tsis zoo
• Kev cuam tshuam: Tus kheej IRQs rau txhua qhov channel tau muab tso rau hauv lub cim xeeb tsis muaj qhov tsis zoo
• Tus neeg txais kev nkag siab rhiab heev: ± 200 mV sib txawv input
• Hom Hom Voltage Ntau: +12V rau -7V Transmitter
• Output Drive Capability: 60 mA nrog thermal kaw.
• Kev txiav tawm: Jumper xaiv tau txiav tawm rau kev tawm tswv yim thiab tso tawm, los ntawm channel, yog muab. Bias kuj muaj.

ENVIRONMENTAL

• Kev khiav hauj lwm kub: 0 ​​txog +60 ° C
• Cia qhov kub thiab txias: -50 txog +120 ° C
• Humidity: 5% txog 95%, non-condensing.
• Hwj chim Yuav Tsum Tau: +5 VDC ntawm 400 mA raug, 800 mA siab tshaj.
• Loj: PC / 104 hom, 3.5 "los ntawm 3.75".

TSHAJ TAWM A

DAIM NTAWV THOV KEV KOOM TES
Taw qhia
Ua hauj lwm nrog RS-485 cov cuab yeej tsis txawv ntau los ntawm kev ua haujlwm nrog tus qauv RS-232 serial li thiab tus qauv no kov yeej qhov tsis zoo ntawm tus qauv RS-232. Ua ntej, lub cable ntev ntawm ob lub RS-232 li yuav tsum luv; tsawg dua 50 feet. Qhov thib ob, ntau qhov yuam kev RS-232 yog qhov tshwm sim ntawm lub suab nrov nrov ntawm cov cables. Tus qauv RS-485 tso cai rau cable ntev txog 4000 ko taw thiab, vim tias nws ua haujlwm hauv hom sib txawv, nws muaj kev tiv thaiv ntau dua rau cov suab nrov nrov.
Qhov thib peb tsis txaus ntawm RS-232 yog tias ntau tshaj ob lub khoom siv tsis tuaj yeem sib koom tib lub cable. Qhov no kuj muaj tseeb rau RS422 tab sis RS-485 muaj tag nrho cov txiaj ntsig ntawm RS422 ntxiv tso cai rau 32 cov khoom siv los sib qhia tib yam sib tw. Ib qho kev zam rau cov lus hais dhau los yog tias ntau yam RS422 tuaj yeem sib koom ib lub xov tooj yog tias tsuas yog ib tus yuav tham thiab lwm tus yuav ib txwm tau txais.

BALANCED DIFFERENTIAL SIGNALS

• Yog vim li cas RS422 thiab RS-485 cov khoom siv tuaj yeem tsav cov kab ntev nrog kev tiv thaiv lub suab nrov dua li RS-232 li yog tias siv txoj kev sib txawv sib txawv. Nyob rau hauv ib tug balanced sib txawv system, lub voltage uas tsim los ntawm tus neeg tsav tsheb tshwm hla ib khub ntawm cov xov hlau. Tus neeg tsav tsheb sib npaug yuav tsim qhov sib txawv voltage los ntawm ± 2 mus rau ± 6 volts thoob plaws nws cov zis terminals. Ib tus neeg tsav tsheb sib npaug kuj tuaj yeem muaj lub tswv yim "pab" teeb liab uas txuas tus tsav tsheb mus rau nws cov khoom siv hluav taws xob. Yog tias lub teeb liab "enable" yog OFF, tus tsav tsheb raug txiav tawm ntawm cov kab sib kis. Qhov kev cuam tshuam los yog kev tsis taus no feem ntau yog hu ua "tristate" mob thiab sawv cev rau qhov impedance siab. RS-485 tsav tsheb yuav tsum muaj peev xwm tswj tau qhov no. Cov neeg tsav tsheb RS422 tuaj yeem muaj qhov kev tswj hwm no tab sis nws tsis tas yuav tsum tau ua.
• Ib tug sib npaug sib txawv kab receiver hnov ​​lub voltage lub xeev ntawm cov kab kis tau tus mob hla ob lub teeb liab input kab. Yog hais tias qhov sib txawv input voltage yog ntau dua +200 mV, tus txais yuav muab lub xeev logic tshwj xeeb ntawm nws cov zis. Yog qhov txawv voltage input tsawg dua -200 mV, tus txais yuav muab qhov sib txawv logic xeev ntawm nws cov zis. Max ua haujlwm voltage ntau yog los ntawm +6V rau -6V tso cai rau voltage attenuation uas tuaj yeem tshwm sim ntawm cov kab txuas ntev.
• Qhov siab tshaj plaws hom voltage qhov ntsuas ntawm ± 7V muab lub suab nrov tiv thaiv zoo los ntawm voltages induced ntawm twisted khub kab. Lub teeb liab hauv av kab kev sib txuas yog tsim nyog nyob rau hauv thiaj li yuav khaws cov hom hom voltage nyob rau hauv qhov chaw. Lub voj voog yuav ua haujlwm yam tsis muaj kev sib txuas hauv av tab sis yuav tsis ntseeg tau.

Table A-1: ​​RS-422 SPECIFICATION SUMMARY

Parameter	Cov xwm txheej	Min.	Max.
Driver Output Voltage (tsis muaj)		4V - 4 V	6V - 6 V
Driver Output Voltage (loaded)	TERM jumpers hauv	2V - 2 V
Driver Output Resistance			50 Ω
Driver Output Short-Circuit Current			± 150 mA
Driver Output Rise Time			10% unit interval
Tus txais rhiab heev			± 200 mV
Txais Hom Hom Voltage Ntau yam			± 7V
Tus neeg txais kev nkag siab tsis kam			4 KΩ

Txhawm rau tiv thaiv kev cuam tshuam cov teeb liab hauv lub cable thiab txhawm rau txhim kho lub suab nrov tsis lees paub hauv ob qho tib si RS422 thiab RS-485 hom, lub receiver kawg ntawm lub cable yuav tsum raug txiav tawm nrog kev ua haujlwm sib npaug ntawm cov yam ntxwv impedance ntawm lub cable. (Qhov kev zam yog thaum txoj kab tau tsav los ntawm tus tsav tsheb RS422 uas tsis tau "tristated" lossis tsis txuas los ntawm kab. Nyob rau hauv rooj plaub no, tus neeg tsav tsheb muab lub zog sab hauv qis uas ua rau txoj kab ntawm qhov kawg.)

Nco tseg
Koj tsis tas yuav ntxiv lub terminator resistor rau koj cov cables thaum koj siv lub rooj tsavxwm. Termination resistors rau RX + thiab RX- kab yog muab rau ntawm lub rooj tsavxwm thiab muab tso rau hauv Circuit Court thaum koj nruab LOAD (LD) jumpers. (Saib qhov Kev Xaiv Xaiv seem ntawm phau ntawv no.)

RS-485 DATA TRANSMISION
RS-485 Standard tso cai rau ib tug sib npaug sib kis kab sib koom nyob rau hauv ib tug party-kab hom. Ntau npaum li 32 tus neeg tsav tsheb / tus neeg txais yuav tuaj yeem sib koom ob lub xov tooj ntawm tog kab network. Ntau tus yam ntxwv ntawm cov tsav tsheb thiab cov neeg txais tau zoo ib yam li hauv RS422 Standard. Ib qho txawv yog qhov hom hom voltage txwv txuas ntxiv thiab yog +12V rau -7V. Txij li txhua tus neeg tsav tsheb tuaj yeem raug txiav tawm (lossis tristated) los ntawm kab, nws yuav tsum tau tiv thaiv hom hom voltage ntau thaum nyob rau hauv tus mob tristate.

RS-485 Ob-Wire Multidrop Network

• Cov lus piav qhia hauv qab no qhia tau hais tias ib qho kev sib koom ua ke los yog tog kab network. Nco ntsoov tias cov kab sib kis tau raug txiav tawm ntawm ob qho kawg ntawm kab tab sis tsis yog ntawm cov ntsiab lus poob hauv nruab nrab ntawm kab.

Cov neeg siv lus pom

• Yog tias koj muaj teeb meem nrog phau ntawv no lossis tsuas yog xav muab qee cov lus qhia rau peb, thov xa email rau peb ntawm: manuals@accesio.com.
• Thov qhia meej txhua qhov yuam kev uas koj pom thiab suav nrog koj qhov chaw nyob xa ntawv kom peb tuaj yeem xa cov ntawv hloov tshiab rau koj.
• 10623 Roselle Street, San Diego, CA 92121, UA
• Tel. (858) 550-9559 Fax (858) 550-7322
• www.accesio.com

Assured Systems

• Assured Systems yog lub tuam txhab ua lag luam thev naus laus zis nrog ntau dua 1,500 tus neeg siv khoom niaj hnub hauv 80 lub teb chaws, xa ntau dua 85,000 lub tshuab rau ntau tus neeg siv khoom hauv 12 xyoo ntawm kev lag luam.
• Peb muab cov khoom lag luam zoo thiab tsim tshiab rugged xam, tso saib, sib tham, thiab cov ntaub ntawv sau cov kev daws teeb meem rau cov khoom lag luam kos duab, kev lag luam, thiab digital-tawm-ntawm-tsev.

US

• sales@assured-systems.com
• Muag: +1 347 719 4508
• Kev them nyiaj yug: +1 347 719 4508
• 1309 Coffeen Ave
• Peb 1200
• Sheridan
• wb 82801
• Teb chaws USA

EMEA

• sales@assured-systems.com
• Muag: +44 (0) 1785 879 050
• Kev them nyiaj yug: +44 (0) 1785 879 050
• Unit A5 Douglas Park
• Pob zeb ua lag luam Park
• Pob zeb
• ST 15 0 YJ
• United Kingdom

PIB: 120 9546 28
Tus lej Sau Npe: 07699660

www.assured-systems.com | sales@assured-systems.com

Cov ntaub ntawv / Cov ntaub ntawv

ASSURED SYSTEMS 104-COM-8S Serial Communication Board [ua pdf] Tus neeg siv phau ntawv 104-COM-8S Serial Communication Board, 104-COM-8S, Serial Communication Board, Kev sib txuas lus Board, Board

Cov ntaub ntawv

• Cov neeg siv phau ntawv