Mitsubishi Electric MELSEC Q Series User Manual page 223

(Example) When the control CPU is setup for CPU No.2
CPU
Power
CPU
supply
module
module
1
12
Power
AnS
supply
module module
2
20
Power
AnS
supply
module module
2
Figure 7.1 Setting example of control CPU for the AnS/A series-compatible module
7 - 2
Set CPU No.2 to the control CPU for all slots where the AnS/A series-compatible modules are
mounted.
If setting different CPU as the control CPU among any one of the AnS/A series-compatible module,
"PARAMETER ERROR" (error code: 3009) occurs and the multiple CPU system does not start.
0 1 2 3
CPU CPU CPU
module module module module module
2 3 4 4 1
13 14 15 16
AnS AnS AnS AnS
module module module module module
2 2 2 2 2
21 22 23 24
AnS AnS AnS AnS
module module module module
2 2 2 2 2
The control CPU setting shown in the illustration represents the following:
CPU module 1 to 4 :CPU number
(AnS/A) module 1 to 4 :Control CPU's CPU number
Control CPU can be set for each slot.
4 5 6 7 8
module module module module
1 2 2 3 4
Slot number
17 18 19
AnS AnS AnS
module module
2 2 2 Control CPU setting
QA1S68B
Slot number
25 26 27
Control CPU setting
QA1S68B
Slot number
9 10 11
module module module
Control CPU setting
4 4 4
Q312B
Set the same CPU module
to the control CPU.