4
FUNCTIONS
4.1 Cyclic Transmission Function
4.1.4 Direct access to link devices
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(2) Link device address specification range
: Available,
: N/A
* 1 Check the serial No. and software version for applicability.
Appendix 3 Functional Upgrade of CC-Link IE controller network
(a) Reading form a link device
All of the link device address specification range can be specified.
(b) Writing to a link device
An area within the link device address specification range and within the own
station send range and outside the link refresh range can be specified.
Table 4.6 Link device address specification range
Link device
Link device range
Address specification
Universal model QCPU
Other than Universal model QCPU
Link relay (LB)
LB0 to 3FFF
LB4000 to 7FFF
*1
Link register (LW)
LW0 to 3FFF
LW4000 to 1FFFF
*1
Link input (LX)
LX0 to 1FFF
Link output (LY)
LY0 to 1FFF
Link special relay (SB)
SB0 to 1FF
Link special register (SW)
SW0 to 1FF
Figure 4.14 Link device address specification range for writing
CPU module
B
LB
CC-Link IE controller
network module
Other station
send range
Own station
send range
Writable to
this area.
Link refresh
Link refresh
Link refresh
Link refresh
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