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CHAPTER 8 FUNCTIONS
8
8.
1
C
ycl
ic
Tra
n
smi
ssi
on
8.
1.
3
Direct
a
cces
s t
o
link
device
s
8.1.3
Direct access to link devices
Direct access to each link device (RX, RY, RWr, RWw, SB, or SW) of the master/local module is possible from the
program. Specify a link device as the link direct device (J
\
) for direct access.
(1) Specification method
Specify the network No. and the link device of the master/local module for reading or writing.
J
Remote register (RWw)
W0 to W1FFF
Remote register (RWr)
W2000 to W3FFF
Remote input (RX)
X0 to X3FFF
Remote output (RY)
Y0 to Y3FFF
Link special relay (SB)
SB0 to SB1FF
Link special register (SW)
SW0 to SW1FF
Network No.
1 to 239
MOV K20 J1\W100
= J1\W2100 K300
J1\X1100
J1\Y1000
Master station
Slave station
Network No.1
Actual I/O
Master/local
module
Send
request
CPU module
Slave station
RWw100 RWw100
RWr100
RWr100
RY1000
RY1000
RX1100
RX1100
X
Y
W
RX
RWr RWw
RY
RX
RY
Cyclic transmission
RWr RWw
Ex.