
CalAmp
WirelessNetworksTechnicalSupport|Tel507.833.8819|Email[email protected] Page2of10
CONTENTS
1. Overview.........................................................................................................................................................................3
2. Allen‐BradleyCompactLogix/ControlLogixPLCs.............................................................................................................3
2.1. PLCladderlogiconrestartopensallconnectionsatonceinsteadofsequentially...................................................3
2.2. ABCompactLogix/ControllogixseriesPLCsEtherNet/IPconnectiontimeout...........................................................4
2.3. ABCompactLogix/ControllogixseriesPLCssendstomany“CIPForwardOpen”and“CIPForwardClose”..............6
2.4. ABCompactLogix/ControlLogixseriesPLCssendsmanyTCP/IPkeepalivemessages...............................................9
3. Viper.............................................................................................................................................................................10
3.1. SetupViperinroutermode(insteadofBridgemode).............................................................................................10
3.2. FilteringTCPkeepalivewithViperTCPproxymode................................................................................................10
3.3. ReplacingorresettingaViperusingproxymodewithoutrestartingpolling...........................................................10
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