MITSUBISHI ELECTRIC MOTION CONTROLLERS Q172DCPU - Manual (Page 60)

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2 MULTIPLE CPU SYSTEM
POINT
Set the following operation for automatic refresh setting using GX Developer.
1) Select tab "Multiple CPU high speed communication area setting".
2) Set "Use Multiple CPU high speed communication ".
1)
2)
b) Operation example
The example of operating automatic refresh is shown below.
U3E1\G10000
Internal relay
Data register
PLC CPU (CPU No.1) Motion CPU (CPU No.2)
Internal relay
Data register
Axis status
Axis command
signal
Axis monitor
device
Control change
register
M3200
M3839
M0
M2399
M2400
M3039
M3040
M3199
M3840
M8191
D0
D639
D640
D703
D704
D8191
M3200
M3839
M0
M2399
M2400
M3039
M3040
M3199
M3840
D0
D639
D640
Automatic
refresh area
Automatic
refresh area
Automatic
refresh area
Automatic
refresh area
U3E0\G10000
U3E1\G10000
U3E0\G10000
Multiple CPU high speed
transmission area
Multiple CPU high speed
transmission area
Main c
ycle
M
ai
n
cy
cle
Main
cyc
le
EN
D p
roc
ess
ing
EN
D p
roc
es
sin
g
END
pro
cess
ing
CPU No.1
transmitting data
CPU No.2
receiving data
CPU No.1
receiving data
CPU No.2
transmitting data
Transfer
in 0.88ms
cycle
Transfer
in 0.88ms
cycle
(c) Data size consistency check
Whether the Multiple CPU setting parameters are the same for all CPUs or
not is automatically checked. A "PARAMETER ERROR (error code: 3012,
3015) " will occur if they do not match.