Mitsubishi Electric MELSEC iQ-R Series User Manual page 159

■Available devices and their ranges
Devices that can be specified for refresh and their available ranges are as shown below:
Device name (device)
Internal relay (M)
Link relay (B)
Data register (D)
Link register (W)
Precautions
In the refresh setting, link special relays (SB) and link special registers (SW) cannot be specified for devices on the link side.
Acquire the values of link special relays (SB) and link special registers (SW) by direct access to link devices or buffer memory
access.
Any available devices except for link special relays (SB) and link special registers (SW) can be specified for devices on the
link side.
■Refresh range
Refresh is performed for the range set in "Refresh Setting" and "Network Range Assignment" ("Network Configuration
Settings"). For the access by link refresh, specify the devices within the refresh range.
MELSECWinCPU module
Range to be
refreshed
Setting range of refresh
(Refresh Setting)
Number of Available range
points
61440 M0 to 61439
655360 B0 to 9FFFF
4184064 D0 to 4184063
1048576 W0 to FFFFF
Network Range Assignment
Device
(Network Configuration Settings)
Link refresh Station No.1
(Empty)
Link refresh Station No.2
(Empty)
Link refresh
Station No.3
Network module
Range set with "Network
Range Assignment" ("Network
Configuration Settings")
16 NETWORK MODULE ACCESS FUNCTION
16.1 Cyclic Transmission
16
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