Teledyne-lecroy Zi Oscilloscope Synchronization ProBus Module (Zi- Uživatelský manuál stáhnout pdf (Strana 2)

ZiOscilloscopeSynchronizationModule

2

918246‐00‐RevA

TheuserinterfaceforcommontriggeringanddisplayofchannelsisenabledontheMasteroscilloscopewhen

theZi‐8CH‐SYNCHhardwareProBusmoduleisattachedtotheMasterAUXOUTconnector.Alltriggeringis

performedbytheZi‐8CH‐SYNCHmodule;datatransferisviaanEthernetcrossovercableconnected

tothe

MasterandSlaveEthernetports,orthroughanetworkconnection .Handshakingbetweenoscilloscopesis

automaticoncetheIPaddressoftheSlaveoscilloscopeisdefined.

Connections

Thegeneralsetupinvolvesthefollowing:

• TheZi‐8CH‐SYNCHmoduleisconnectedtotheAUXOUTProBusconnectorontheMasteroscilloscope.

• Themodulecontainsacomparatorwithaprogrammablethresholdandabuffertoacceptanexternal

customertriggersignal(inUserEdgetriggermode)witha

relativelyslowrisetimeandoutputstwo

identicaltriggersignals(TRIGOUT1andTRIGOUT2)with~100psrisetimetotheMasterandSlave

oscilloscopesAUXINProBusconnectors.Theseconnectionsserveastheircorrespondingsynchronized

triggerinputs.Ifnoexternalcustomertriggersignalisavailable,themodulecanbe

self‐triggeredina

Periodictriggermode.

• Finally,theSLAVE‐MASTERSYNCHconnectionismadefromtheSlaveAUXOUTtothemodule.

TheSLAVE‐MASTERSYNCHconnectionprovidespositivefeedbackfromtheSlavetotheZi‐8CH‐SYNCH

modulethatanacquisitionhasoccurredontheSlave(ensuringMaster

+Slaveacquisitionintegrity).This

isprovidedviaaTRIGENABLEDoutputsignalfromtheSlaveoscilloscope.The10MHzReferenceClock

OutontheMasteroscilloscopeisconnectedtothe10MHzReferenceClockInontheSlaveoscilloscope

inordertosynchronizethetwooscilloscopeacquisiti ons.Uponproper

connectionandreceiptofavalid

TRIGINsignal,theMasterandSlaveoscilloscopesimultaneouslyacquiredata.

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Teledyne-lecroy Zi Oscilloscope Synchronization ProBus Module (Zi- Uživatelský manuál Strana 2