Usl JSD-100 Specifikace stáhnout pdf (Strana 21)

Page20

Pin Description

1 DCD–Internallyconnectedtopins4and6.Doesnotneedtobeconnectedinmostcases.

2 TXD–TheJSD100transmitsdataonthispin.

3 RXD–TheJSD100receivesdataonthispin.

4 DTR–Internallyconnectedtopins1and6.Doesnotneedtobeconnectedinmostcases.

5 GND–Signalground.

6 DSR–Internallyconnectedtopins1and4.Doesnotneedtobeconnectedinmostcases.

7

CTS–TheJSD100holdsofftransmittingdataifthedeviceconnectedtotheJSD100drivesthispinlow.

Datatransmissionisresumedwhenthispinisdrivenhigh.ThepinispulledhighintheJSD100sothe

pincanbeleftopeninmostcases.

8

RTS–TheJSD100drivesthispinlowwhenitisnotreadytoreceivedataanddrivesithighwhenitis

readytoreceivedata.Inmostcasesthispincanbeleftopen.

9 RI–TheJSD100providesacurrentlimited(900mA)+5Vtodriveexternalequipmentonthispin.

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EthernetInterface

TheJSD100includesastandard10/100MbpsEthernetinterface.Thesameautomationcommands(described

inAppendixA)areavailableonTCPconnectionstoport10001ontheEthernetinterface.TheJSD100accepts

upto10simultaneousTCPconnections,allowingmultiplecontrolandmonitordevicestobeused.The

Ethernetinterfaceisalsodrivenbyawebbrowser.Systemstatusisavailableoninternallygeneratedweb

pages.UseaCAT5orbetterEthernetcabletoconnecttheJSD100tothecontrolnetwork.TheUSLsupplied

ferriteblockshouldbeclippedontothecableadjacenttotheconnectortocomplywithFCCandCEemission

requirements.

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USLLink

TheUSLLinkisanRS485bususedtointerfacetheJSD100tootherUSLdevices.Visitwww.uslinc.comfora

listofUSLLinkcompatibledevices.TheUSLsuppliedferriteblockshouldbeclippedontothecablesadjacent



totheconnectorstocomplywithFCCandCEemissionrequirements.

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Usl JSD-100 Specifikace Strana 21