2.1 Features
2.1.1 Process Data Communication (Cyclic Communication)
2-3
2
264IF-01 Module
2.1.1 Process Data Communication (Cyclic Communication)
The 264IF-01 Module can carry out cyclic communication with the EtherCAT master device using the process data
communication function. It is not possible to refer to the data of other slave stations from a 264IF-01 Module.
Fig. 2.2 Cyclic Communication between the Master and Slave Stations in a Line-connection EtherCAT System
2.1.2 Mailbox Communication (System Message Communication)
The 264IF-01 Module can carry out message communication dedicated to EtherCAT systems by using the mailbox
communication function. User message communication, such as reading from/writing to the user memory (M registers)
is not possible.
Fig. 2.3 Message Communication between Master and Slave Stations in a Line-connection EtherCAT System
Other
company’s
slave
station
Data refresh
Other
company’s
master
station
Other
company’s
slave
station
RJ45
Ethernet
cable
Ethernet
cable
Ethernet
cable
Ethernet
cable
MP2000
Series
Machine
Controller
MP2000
Series
Machine
Controller
264IF-01
slave
station
264IF-01
slave
station
RJ45
RJ45
RJ45
RJ45
RJ45
RJ45
RJ45
RJ45
Data refresh
Command
RJ45
Ethernet
cable
Ethernet
cable
Ethernet
cable
Ethernet
cable
RJ45
RJ45
RJ45
RJ45
RJ45
RJ45
RJ45
RJ45
Message communication
Response
Other
company’s
slave
station
Other
company’s
master
station
Other
company’s
slave
station
MP2000
Series
Machine
Controller
MP2000
Series
Machine
Controller
264IF-01
slave
station
264IF-01
slave
station
