18
1 FUNCTIONS
1.1 EtherNet/IP Communication Functions
Class1 instance communications
Function overview
Class1 instance communications is a function for periodically performing data communication between the RJ71EIP91 and an
EtherNet/IP device over a connection that has been established using an instance ID.
Data communications are performed between the originator (the device on the sending side that requests the connection) and
the target (the device on the receiving side that is requested to connect).
■When the connection type is Exclusive Owner
(1) Connection open
(2) Response
RJ71EIP91
(1)
(2)
Scanner Adapter
Originator
Buffer memory
'Class1 Input Area'
(Un\G65536 to
Un\G98303)
Target
Buffer memory
Transmitted data
Receive data
'Class1 Output Area'
(Un\G196608 to
Un\G229375)
EtherNet/IP device
To Next Page
Loading...
