Mitsubishi Q12PRHCPU - Page 205

5
REDUNDANT SYSTEM FUNCTIONS
5.7 Memory Copy From Control System To Standby System
5 - 122
1
OVERVIEW
2
SYSTEM CONFIGURATION
3
TRACKING CABLE
4
PROCEDURE FOR STARTING UP A REDUNDANT SYSTEM
5
REDUNDANT SYSTEM FUNCTIONS
6
REDUNDANT SYSTEM NETWORKS
7
PROGRAMMING CAUTIONS
8
TROUBLESHOOTING
(b) Restrictions on Memory Copy
Memory copy cannot be done using either GX Developer or the special relays and
special registers under the conditions shown in Table5.60.
Table5.60 Restrictions on Memory Copy
Execution Conditions
Memory Copy Operation
Memory Copy Using GX Developer
Memory Copy Using Special
Relays and Special Registers
Memory copy executed to the
standby system CPU module
The following error dialog box will appear:
-
Memory copy executed in Debug
Mode
The following error dialog box will appear:
424D
H
will be stored in SD1596
of the control system CPU.
Memory copy re-executed during
memory copy
The following error dialog box will appear:
4247
H
will be stored in SD1596
of the control system CPU.
During online program change or
similar operation to the control
system CPU module
The following error dialog box will appear:
424C
H
will be stored in SD1596
of the control system CPU.
Memory copy target I/O No.
(SD1595) is any value other than
3D1H
-
4248
H
will be stored in SD1596
of the control system CPU.
Standby system power OFF
Standby system CPU module
reset
The following error dialog box will appear:
4241
H
will be stored in SD1596
of the control system CPU.
Tracking cable disconnection
The following error dialog box will appear:
4242
H
will be stored in SD1596
of the control system CPU.