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9.4 Link Direct Device (J \ )
(1) Definition
The link direct device is a device for direct access to the link device in a CC-Link IE controller network module or
MELSECNET/H network module.
The CPU module can directly write data to or read data from the link device in a CC-Link IE controller network
module or MELSECNET/H network module using sequence programs regardless of link refresh.
MELSECNET/H network module.
The CPU module can directly write data to or read data from the link device in a CC-Link IE controller network
module or MELSECNET/H network module using sequence programs regardless of link refresh.
(2) Specification method and application example
(a) Specification method
Specify a network number and a device number.
(b) Application example
For link register 10 (W10) of network number 2, "J2\W10" must be used.
For a bit device (X, Y, B, or SB), the digit must be specified.
J1\K1X0, J10\K4B0
Figure 9.49 Specification method
Figure 9.50 Application example
Network number: 1 to 255
Input
Output
Link relay
Link register
Link special relay
Link special register
X0 to
Y0 to
B0 to
W0 to
SB0 to
SW0 to
Device No.
Specification method: J
\
K100 J2\ W10
MOVP
LW 0
LW10
Network module of
network number 2
network number 2
Example