Allen-Bradley ControlLogix Bedienungsanleitung PDF herunterladen (Seite 7)

CalAmpWirelessNetworksTechnicalSupport|Tel507.833.8819|Email[email protected] Page7of10



Whenusing“Messagetype”EtherNet/IPCIPprotocol.



Tolowertheon‐airtrafficun‐check“Connected”inthe“MessageConfiguration”method.

BelowisanexamplewhentheMessageTypeis"CIPDataTableRead"or"CIPDataTableWrite".Notethatthe

"Connected"checkboxshouldbeunchecked,thisisbecauseifyouleaveitchecked,thenevery

timetheMSGinstructionis

executedaCIPconnection(withCIPopenmessage)willbeestablishedandbroken(withCIPclosemessage)whichadds

unnecessarilytothenetworktraffic.



WhencommunicationbetweenControlLogix/CompactLogixandotherLogixseriesPLCs.



ThesePLCs/ControllerusuallyuseEtherNet/IPCIPunconnectedprotocoltocommunicatebetweeneachother.

Note(seebelow)thatwhentheMessageTypeis"SLCTypedRead"or"SLCTypedWrite",theLogixMSGinstructionalways

usesanUnconnectedCIP(noticethatthe"Connected"checkboxisuncheckedandgrayedout).Forexample

thisisused

whenusingPCCCencapsulatedinEtherNet/IPcommand.OthersthanreadorwriteforSLCtypesarenotdescribedinthis

document.

1 2 3 4 5 6 7 8 9 10

Keine Kommentare

Allen-Bradley ControlLogix Bedienungsanleitung Seite 7