Cpu No. Of Cpu Module - Mitsubishi Electric MELSEC Q Series User Manual

3.2 CPU No. of CPU module

(a) CPU No. allocation
CPU numbers are allocated for identifying the CPU modules mounted on the main base unit in the multiple
CPU system. CPU No.1 is allocated to the CPU slot, and CPU No.2, No.3 and No.4 are allocated to the right
of the CPU No.1 in this order.
The CPU No. is used for the following applications:
• Specifying the connection target by GX Developer (PC)
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Note3.1 Basic
For the Basic model QCPU, Q00UCPU, Q01UCPU, Q02UCPU, CPU modules can only be mounted up to CPU No. 3.
Therefore, CPU No. 4 is not available.
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Note3.1
CPU
0 1 2 3
1 2 3 4
Figure 3.15 CPU No. allocation
Slot number
CPU 0 1 2
CPU number
1 2 3 4
Communicate
with CPU No. 2.
Figure 3.16 Transfer Setup with GX Developer
CPU slot : CPU No. 1
Slot 0 : CPU No. 2
Slot 1 : CPU No. 3
Slot 2 : CPU No. 4
Slot number
4
CPU number
Specify PLC No. 2 (CPU No. 2).