Mitsubishi Electric MELSEC Q Series User Manual page 126

(d) When using the PC CPU module
The PC CPU module occupies two slots. The one on the right side among the two slots is handled as an empty
slot. (16 empty points are occupied by default.) Therefore the I/O number of the next slot on the right side of the
PC CPU module is "10
H
to assign "00 " to the first I/O number.)
H
(Example) When "No. of CPUs" is set to 3.
Remark
●
1)If the number of CPU modules mounted on the main base unit is less than the number set at the "Multiple CPU
setting", set the open slot(s) to "PLC (Empty)".
For the "PLC (Empty)" setting, refer to "Section 3.1"
●
2)The I/O numbers for the multiple CPU system can be confirmed with the system monitor.
●
3)The I/O number "00
User's Manual (Function Explanation, Program Fundamentals) for the CPU module used
." (Set the empty slot to zero point on the I/O assignment of PLC Parameter dialog box,
CPU 0 1 2
No. of CPU modules
Empty slot
(3 modules)
(00
Figure 3.20 Position of I/O number "00
" can be placed in any slots with I/O assignment setting of PLC parameter.
H
CHAPTER3 CONCEPT FOR MULTIPLE CPU SYSTEM
Slot number
to 0F occupied)
H H
"
H
1
2
3
4
5
6
7
8
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