Access Function Of Each Network Module - Mitsubishi Electric MELSEC iQ-R C R12CCPU-V User Manual

5.4

Access Function of Each Network Module

The network module access function transmits data to the devices on the network via the network module controlled by a C
Controller module.
CC-Link IE Controller Network module
The following shows the functions to transmit data via a CC-Link IE Controller Network module.
Available access methods
The following access methods are available.
Transmission type
Cyclic transmission
Transient transmission
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.
User program
*1 Link refresh cannot be performed for SB/SW. Use the direct access.
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5.4 Access Function of Each Network Module
Access method
Access by link refresh
Direct access
Message communication
Access to devices on another station
C Controller module
Device
· link relay
· link register
Access to devices
M
B
D
W
ZR
CC-Link IE Controller
Network module
Link device
Link
refresh
LX
LY
LB
LW
Link device
*1
SB
*1
SW