參數(shù)資料
型號: PANEL-IR
英文描述: MODULE IR COMMS
中文描述: 模塊紅外通訊科
文件頁數(shù): 2/4頁
文件大?。?/td> 327K
代理商: PANEL-IR
2
7
The PANEL-IR module converts serial data between electrical and infra-red formats. Ideal for
applications that require remote control or dangerous environments where cables would be a
safety risk, PANEL-IR employs the IrDA infra-red communications standard to achieve reliable
transferofdata.Thesnap-inintegralbezelmakesinstallationquickandeasy.
Panel mounted
Uses IrDA Communication Standard
Connects to Microcontroller, UART,
or EasyLog Module
Half-duplex Communications
10-Way Pin Header
PIN FUNCTIONS
1. Polarity
Baudrate
Select the baud rate as shown in the table. Where a "0" is shown, either connect the pin to 0V or leave it unconnected. Where a
"1"isshown,connectthepintoV+.
APPLICATIONNOTES
Communication can take place at distances from 0m (i.e. "nose-to-nose") to 1m. The red window of the PANEL-IR module
should be pointed at the window of the device at the other end of the infra-red link. The infra-red light beam spans
approximately 30°, so the two devices do not have to be directly aligned. There should however be a clear line of sight
betweenthetwodevices.Atcloserange,communicationismoreforgivingandsmallobstacleswillnotaffectthelink.
Selectswhetherthetransmit/receivelinesusepositiveornegativelogic.
Connectto0Vforpositivelogic. ConnecttoV+orleaveunconnectedfornegativelogic.
Disablesthereceiver/transmitter. Connectto0Vtodisable.
ConnecttoV+orleaveunconnectedtoenable.
Noconnection.Donotconnectanythingtothispin.
0VPowersupply.
5VPowersupply.
2. Disable
3. N/C
4. 0V
5. V+
6. Baud3
7. Baud2
8. Baud1
9. RxD
10. TxD
Baudrateselect(seetableoverleaf).
Receivedata -receiveddataappearsonthispin.
Transmitdata-applydatatobetransmittedtothispin.
IfthePANEL-IRissolelyusedforreceivingdatathenTxDshouldbeconnectedtoV+viaa47kresistor.
The PANEL-IR module acts as a "transparent" data translator i.e.: there is no built-in communications protocol to adhere to.
The device works by transmitting an IR pulse for "Low" bits, and not transmitting anything for "High" bits. Since the first bit of
theserialbyte(thestartbit)isalways"Low",thismarksthestartofthebyte.Subsequentbitsaresynchronisedfromthere.Take
careto setthePolaritypin(pin1)correctlyFormoredetailedapplicationadvice,contactLascarElectronics.
Connect as shown below to give your EL-1 infra-red communication capability. The flying leads should be soldered into the
two PCB holes on the EL-1 module, at the left hand end of the 10-way pin header. A 1K resistor must be fitted as shown if a
serialcommunicationcableisusedinadditiontotheinfra-redlink,otherwiseitcanbeomitted.
ThePANEL-IRmoduleformspartofaninfra-redcommunicationslinkbetweentwototallyisolatedsystems.
The PANEL-IR module will communicate with any computer featuring an IrDA compatible serial port, or any other PC fitted
withaLascarEASYLINK-IRadapter.
Protocol
ConnectiontoEasyLogDataLoggingModules
Typicalapplication:industrialcontroller
(EL-1issue9andabove)
PANEL-IR
PANEL-IR
PANEL-IR
30°
1m (3.3ft/
)
piedi
1m (3.3ft/
)
piedi
V-
+
-
V+
1K
EL-1
RxD
TxD
0V
1
1
5V
PANEL-IR
UART
RxD
1
1
PANEL-IR
RxD
1
1
PANEL-IR
Microcontroller
Microcontrleur
Mikrosteuerung
Microcontrollore
Isolation barrier
barrière d'isolation
Trennwand
barriera isolante
RS232 driver
Pilote RS232
RS232-Treiber
Driver RS232
e.g. MAX232 LT1081
par ex. MAX232 LT1081
wie z.B. MAX232 LT1081
es. MAX232 LT1081
APPLICATIONNOTES
NOTESD'APPLICATION
ANWENDUNGSHINWEISE
NOTEAPPLICATIVE
ConnectiontoEasyLogDataLoggingModules
(EL-1issue9andabove)
ConnexionauxmodulesdesaisiededonnéesEasyLog
(EL-1version9etplus)
Anschlu an EasyLog Datenlogger-Module
Connessione a moduli di registrazione dei dati EasyLog
(EL-1 Ausgabe 9 und hher)
(EL-1, Versione 9 e seguenti)
Typicalapplication:industrialcontroller
Applicationtypique:contrleurindustriel
TypischeAnwendung:IndustrielleSteuerung
Applicazionetipica:controlloreindustriale
D
D
D
I
I
I
F
F
F
GB
GB
GB
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