2 EtherNet/IP Communication (Adapter)
KW2D Series Smart RFID Reader User’s Manual
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A Listen Only CIP connection can be opened only when a multicast type CIP connection is opened. When the CIP
connection between the target and originator that opened a multicast type CIP connection using Exclusive Owner or
Input Only is disconnected, the multicast transmissions from the target to originators that opened Listen Only CIP
connections are stopped.
●
Transmit Trigger Type
There are two types of transmission triggers for KW2D Series Smart RFID Readers
■
Cyclic
Send data from the originator to the target or from the target to the originator at every regular cycle in the RPI.
■
Change Of State
Send data when there is a change from originator to target or from target to originator. If there is no change in data,
it will send data at every regular cycle in the RPI.
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Types of connections
There are two types of KW2D Series Smart RFID Readers with the following connection types
■
Point To Point
Send data from the originator to the target or from the target to the originator by one-to-one.
■
Multicast
Sends data from the target to the multicast addresses of multiple originators. The direction of the target from the
originator is not supported.
Originators that opened multicast type
CIP connection to target
Instance ID: 199
Multicast Transmission
Instance ID: 100
Listen Only
Timeout occurs to stop
multicast transmission
Transmit heartbeat
in regular cycle
Target
(KW2D Series Smart RFID Reader)
Originator B
(Host device B)
Originator A
(Host device A)
Originator C
(Host device C)
CIP Connection
CIP Connection
CIP Connection