Mitsubishi QJ71GP21-SX, Reference Manual

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4
- 6 4.1 Cyclic Transmission Function
4.1.1 Communication by LB/LW
4
FUNCTIONS
2) A station with Basic model QCPU or safety CPU cannot receive other stations'
data in the area of LB/LW4000 or higher.
If another station's data is set over the limit of LB/LW4000, only the data up to
LB/LW3FFF can be received.
Remark
A station with a Basic model QCPU or safety CPU will receive another station's
data in LB/LW0 to 3FFF, which is set in "LB/LW settings (2)", however, they will not
be refreshed to the CPU module's devices.
Only the direct access to link devices is available.
Section 4.1.4 Direct access to link devices
Figure 4.6 Another station's data set over LB/LW4000
Figure 4.7 Other stations' data in LB/LW0 to 3FFF, which are set in "LB/LW settings (2)"
Universal model
QCPU Universal model
QCPU
Universal model
QCPU
Basic model QCPU
Control station (No.1) Normal station (No.2) Normal station (No.3) Normal station (No.4)
Link register (LW)
No.1 send range
No.2
No.3
No.4
No.3
No.1 No.1 No.1
No.4
No.2
No.4
No.2
No.3
No.2 send range
No.3 send range
No.4 send range
LW0
LW4000
LW1FFFF
Unable to receive another station's
data in LW4000 or higher.
Universal model
QCPU Universal model
QCPU Universal model
QCPU
Basic model QCPU
Control station (No.1) Normal station (No.2) Normal station (No.3) Normal station (No.4)
Link register (LW)
No.1 send range
No.1 send range
No.2
No.3
No.4
No.2
No.4
No.1
No.1
No.2 send range
No.3
No.4
No.2 send range
No.4
No.1
No.1
No.2
No.3 send range
No.4
No.2
No.4
No.1
No.1
No.2
No.3
No.4 send range
No.2
No.4 send range
LW0
LW4000
Not refreshed to CPU module devices.
Accessible only by direct access to link
devices.
Setting range of
LB/LW settings (1)
Setting range of
LB/LW settings (2)