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(2) I/O assignment on a remote I/O stations
CPU module device input (X) and output (Y) can be assigned to I/O modules and intelligent function modules,
which allows to control the modules in the remote I/O system such as MELSECNET/H remote I/O network and
CC-Link.
Also, inputs (X) and outputs (Y) can be used for the refresh target (devices on the CPU module side) of the
MELSECNET/H module link I/O (LX and LY).
CPU module
MELSECNET/H remote I/O network
(a) I/O numbers available on remote I/O stations
When the input (X) and output (Y) of the CPU module are used for the I/O numbers in the remote
station, assign the I/O numbers later than those used for the I/O modules and intelligent function
modules on the CPU module side.
When X/Y0 to X/Y3FF (1024 points) are used for the I/O modules and intelligent function modules
Example
on the CPU module side, X/Y400 and later can be used in the remote stations.
MELSECNET/H module
CC-Link module
Remote
station
Figure 4.6 I/O number assignment on the remote station
CHAPTER4 ASSIGNMENT OF BASE UNIT AND I/O NUMBER
Remote
station
0
X
to
F
:
Inupt module
Y
0 to
F
:
Output module
0 to
F
:
Intelligent function module
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3
4
5
6
7
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4 - 6
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