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R-IN32 Series CC-Link Remote device station
11.2
Overview of Protocol
11.2.1
Overview of Extended Cyclic Communication
"Extended Cyclic" to be added in Version 2 splits refresh data (RY, RWw) and response data (RX, RWr) into multiple
link scans, and sends/receives data. The following shows a general description of the communication.
Master station
Polling &
Transmission
refresh
Reception
First division
[Transmission]
RY00~ 0F
RY10~ 1F
RY20~ 2F
RY30~ 3F
RY40~ 4F
RY50~ 5F
RWw0 ~ 3
RWw4 ~ 7
RWw8~ B
RWwC ~ F
[Reception]
RX00~ 0F
RX10~ 1F
RX20~ 2F
RX30~ 3F
RX40~ 4F
RX50~ 5F
RWr0~ 3
RWr4~ 7
RWr8~ B
RWrC~ F
Master station data
Data area on frame
Figure 11.1 With 2 Occupied Stations and Extended Cyclic 2 × Setting
R18UZ0056EJ0102
Dec. 28, 2018
....
Response
RY00~ 0F
ST3
RY10~ 1F
SQ
RY
RY20~ 2F
RY
RY30~ 3F
RY40~ 4F
RY50~ 5F
RWw0 ~ 3
RWw
RWw4 ~ 7
RWw8 ~ B
RWw
RWwC ~ F
RX00~ 0F
ST3
RX10~ 1F
SQ
RX
RX20~ 2F
RX
RX30~ 3F
RX40~ 4F
RX50~ 5F
RWr0~ 3
RWr
RWr4~ 7
RWr8~ B
RWr
RWrC~ F
Slave station data
Polling &
....
refresh
Response
Second division
[Transmission]
RY00
~ 0F
RY10
~ 1F
RY20
~ 2F
RY30
~ 3F
RY40
~ 4F
RY50
~ 5F
RWw0
~ 3
RWw4
~ 7
RWw
RWw8
~ B
RWw
RWwC
~ F
[Reception]
RX00
~ 0F
RX10
~ 1F
RX20
~ 2F
RX30
~ 3F
RX40
~ 4F
RX50
~ 5F
RWr0
~ 3
RWr4
~ 7
RWr
RWr8
~ B
RWrC
~ F
Master station
Data area on
data
11. Overview of CC-Link Ver. 2
....
RY00
~ 0F
ST3
RY10
~ 1F
SQ
RY
RY20
~ 2F
RY
RY30
~ 3F
RY40
~ 4F
RY50
~ 5F
RWw0
~ 3
RWw4
~ 7
RWw8
~ B
RWwC
~ F
RX00
~ 0F
ST3
RX10
~ 1F
SQ
RX
RX20
~ 2F
RX
RX30
~ 3F
RX40
~ 4F
RX50
~ 5F
RWr0
~ 3
RWr4
~ 7
RWr8
~ B
RWr
RWrC
~ F
Slave station
frame
data
Polling &
refresh
Page 48 of 83
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