Class1 Instance Communications - Mitsubishi Electric MELSEC iQ-R Series User Manual

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
RJ71EIP91
'Class1 Input Area'
(Un\G65536 to
Un\G98303)
'Class1 Output Area'
(Un\G196608 to
Un\G229375)
(1) Connection open
(2) Response
1 FUNCTIONS
18
1.1 EtherNet/IP Communication Functions
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Originator
Buffer memory
Buffer memory
(1)
(2)
Adapter
EtherNet/IP device
Target
Transmitted data
Receive data