1
OVERVIEW
1.1 Features
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(d) Automatic transfer is available between link devices of the CC-Link IE controller
network module and devices of a CPU module. (Link refresh)
For the Universal model QCPU, the extended link register (W) is useful for
transferring link register (LW) data that exceeds the link register (W) capacity (8K
points).
*1
* 1 Models other than the Universal model QCPU do not have the extended link register (W).
Use a file register instead.
(e) With a sequence program, data can be directly read from or written to CC-Link IE
controller network module's link devices (LB/LW/LX/LY/SB/SW). (Direct access to
link devices)
For the Universal model QCPU, all of the link devices can be specified.
*2
* 2 For models other than the Universal model QCPU, the area of address LB/LW4000 or higher
cannot be specified.
(f) Cyclic transmission punctuality can be ensured even at the time of transient
transmission (Cyclic transmission punctuality assurance).
Applications can be created without the need to consider link scan time
fluctuation.
Figure 1.6 Link refresh
ZR131071
LW0
LW1FFFF
MOV D0 ZR32768
MOV ZR33280 D1
LW8000
Link refresh
ZR0
ZR32768
LW8200
ZR33280
W1FFFF
LW0
LW1FFFF
CC-Link IE controller
network module
Link register
CC-Link IE controller
network module
Link register
Universal model QCPU
Extended link register
High Performance model QCPU
File register
MOV D0 W8000
MOV W8200 D1
LW8000
Link refresh
W0
W8000
LW8200
W8200
[When using the extended link register as the transfer target CPU-side device]
[When using a file register as the transfer target CPU-side device]
Programming is easy because both
device numbers are hexadecimal.
Attention must be paid for programming
because decimal and hexadecimal device
numbers are used.
Summary of Contents for QJ71GP21-SX
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