I/O Number Of Each Cpu Module - Mitsubishi Electric MELSEC Q Series User Manual

3.3.2 I/O number of each CPU module

In the multiple CPU system, I/O numbers are assigned to each CPU module to specify mounted CPU
The I/O number for each CPU module is fixed to the corresponding slot and cannot be changed in the I/O assignment
of the PLC parameter.
Table3.6 shows the I/O number allocated to each CPU module when the multiple CPU system is composed.
CPU module
mounting position
First I/O number
The CPU modules I/O numbers are used in the following cases.
• When making communications between CPU modules
• When specifying a target CPU module for communication with MC protocol
*1: Refer to CHAPTER 4 for communication between CPU modules.
*2: Refer to "Q Corresponding MELSEC Communication Protocol Reference Manual" for access to QCPU with MC protocol.
Note3.2
Universal
When the Basic model QCPU, or Universal model QCPU (Q00UCPU, Q01UCPU, Q02UCPU) is used, available slot is
limited up to slot 1 (3E20H).
3 - 22
Table3.6 I/O number for each CPU module
CPU slot
3E00
H
Basic
Slot 0 Slot 1
3E10 3E20
H
*1
*2
modules.íç1
Slot 2
Note3.2
3E30
H H