Viper SC+™ IP Router for Licensed Spectrum PN 001-5008-000 Rev. C
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Figure 101 – Message Configuration » Communication, showing Connected checkbox unchecked
When Communication Is Between ControlLogix or CompactLogix and other –Logix Series PLCs.
These PLCs/Controllers usually use Ethernet/IP CIP unconnected protocol to communicate with each other.
Note (see the following figure) 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 grayed out). For example, this is
used when using PCCC encapsulated in Ethernet/IP command. Others than read or write for SLC
Figure 102 – Message Configuration » Communication, showing CIP selected and Connected Checkbox Unavailable
