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CHAPTER 5 ACCESS BETWEEN CPU MODULES AND OTHER MODULES
5
5.2 Access to Non-controlled Modules
5.2.1 Loading input (X) data
5.2.1 Loading input (X) data
Data in the input (X) of input modules and intelligent function modules controlled by other CPU modules can be loaded
in accordance with the "I/O Sharing When Using Multiple CPUs" setting in PLC parameter ("Multiple CPU Setting").
(1) When the "All CPUs Can Read All Inputs" checkbox is checked
The on/off data of input modules and intelligent function modules controlled by other CPU modules can be
loaded. The on/off data are loaded during input refresh processing before the program operation starts.
The on/off data can also be loaded by using the direct access input (DX).
I/O Sharing When Using Multiple CPUs
All CPUs Can Read All Inputs:
Input data can be loaded from the modules
controlled by other CPU modules.
All CPUs Can Read All Inputs:
Input data cannot be loaded from the modules
controlled by other CPU modules.
X0 to XF
Y10 to Y1F
X20 to X2F
Y30 to Y3F
Input Output Input Output
Point assigned
to each slot
16 16 16 16
2
2 Control CPU setting2
On/off data can be loaded from modules controlled
by another control CPU.
On/off data can
loaded by the
direct access input.
On/off data
can loaded
by input refresh.
X20
DX20
Slot number
CPU 0 1 2 3 4