Process Data Communication (Cyclic Communication); Mailbox Communication (System Message Communication) - YASKAWA 264IF-01 User Manual

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.
Other
Other
company's company's
master
slave
station
station
RJ45
RJ45
RJ45
Ethernet
cable
Data refresh
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.
Other Other
company's company's
master
slave
station station
RJ45
RJ45 RJ45
Ethernet
cable
Message communication
Fig. 2.3 Message Communication between Master and Slave Stations in a Line-connection EtherCAT System
264IF-01
MP2000
Series
Machine
Controller
Ethernet
cable
Data refresh
264IF-01
MP2000
Series
Machine
Controller
Ethernet
cable
Command
Response

2.1.1 Process Data Communication (Cyclic Communication)

Other
company's
slave
station slave
station
RJ45 RJ45
RJ45 RJ45
Ethernet
cable
Other
slave company's
station slave
station
RJ45 RJ45
RJ45 RJ45
Ethernet
cable
2.1 Features
264IF-01
MP2000
Series slave
Machine station
Controller
RJ45
RJ45
Ethernet
cable
264IF-01
MP2000
Series slave
Machine station
Controller
RJ45
RJ45
Ethernet
cable
2
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