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

3
CONCEPT FOR MULTIPLE CPU SYSTEM

3.2 CPU No. of CPU module

Basic
Note3.1
Note1
Basic
Note3.1
3
- 17 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.
Note3.1
Note1
The CPU No. is used for the following applications:
• Specifying the connection target by GX Developer (PC)
For the Basic model QCPU, CPU modules can only be mounted up to CPU No. 3. Therefore,
CPU No. 4 is not available.
CPU 0 1 2 3
1 2 3 4
Diagram 3.15 CPU No. allocation
Slot number
CPU 0 1 2
1 2 3 4
Communicate
with CPU No. 2.
Diagram 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
CPU number
Specify PLC No. 2 (CPU No. 2).