90
5 ACCESS FUNCTION USING NETWORK MODULE
5.4 Access Function of Each Network Module
CC-Link IE Field Network module
The following shows the functions to transmit data via a CC-Link IE Field Network module.
Available access methods
The following access methods are available.
Access by link refresh
This method is used to access devices of a C Controller module from a user program using link refresh. Data in the device is
transmitted cyclically to another station by reading from/writing to link devices of a network module by link refresh.
*1 Link refresh cannot be performed for SB/SW. Use the direct access or buffer memory access.
Transmission type
Access method
Cyclic transmission
Access by link refresh
Direct access
Buffer memory access
Transient transmission
Message communication
Access to devices on another station
RWr
RWw
RX
RY
SB
*1
SW
*1
ZR
W
D
M
B
CC-Link IE Field
Network module
C Controller module
Device
· link relay
· link register
User program
Link device
Link
refresh
Access to devices
Link device
Summary of Contents for MELSEC iQ-R C R12CCPU-V
Page 1: ...MELSEC iQ R C Controller Module User s Manual Application R12CCPU V ...
Page 2: ......
Page 23: ...1 EXECUTING PROGRAMS 1 3 I O Access Timing 21 1 MEMO ...
Page 32: ...30 3 MEMORY CONFIGURATION OF C Controller Module 3 4 Files MEMO ...
Page 257: ...I 255 MEMO ...
Page 261: ......