Auxiliary Area
Non-fatal Duplex Errors
Name
Non-fatal Duplex Error Flag
Duplex Verification Error Flag
(See note.)
Duplex Bus Error Flag (See
note.)
Duplex Power Supply Unit
Error Flag
Duplex Communications Error
Flag
Duplex Verifications Errors (Duplex CPU Systems Only)
■
Name
Duplex Verification Error Flag A31600
Other CPU Unit Duplex Verifi-
cation Error Flag
CPU Unit Model Verification
Error Flag
CPU Unit Version Verification
Error Flag
Inner Board Model Verification
Error Flag (Process-control
CPU Units only)
Parameter Area Verification
Error Flag
No Active CPU Unit Error Flag A31714
User Program Verification
Error Flag
Ethernet Duplex Setting Flag
Address
A40214
ON: One of the following errors occurred: Duplex
verification error, duplex bus error, duplex power
supply unit error, or duplex communications error
(See note.)
A31600
ON: An inconsistency exists between the program
or memory of the active and standby CPU Units in
Duplex Mode. (Refer to A317, A804 for details.)
A31601
ON: An error occurred on the sync transfer bus in
the duplex system.
A31602
ON: An error occurred in the Power Supply Unit or
power supply system on a duplex CPU Rack,
Expansion Rack, or Long-distance Expansion
Rack.
A31603
ON: One of the duplex Communications Units has
failed. (Refer to A434 to A437 for details.)
Note Duplex CPU Systems only.
Address
ON: An inconsistency exists between the program or mem-
ory of the active and standby CPU Units in Duplex Mode.
(Refer to A317, A804 for details.)
A31706
ON: A duplex error occurred in the other CPU Unit when
entering Duplex Mode.
A31707
ON: The CPU Units were not the same model when entering
Duplex Mode.
A31708
ON: The unit version of the standby CPU Unit is earlier than
the unit version of the active CPU Unit and the active CPU
Unit uses function not supported by the standby CPU Unit.
A31710
ON: The duplex Inner Boards in the two Process-control
CPU Units were not the same model when entering Duplex
Mode.
A31713
ON: The parameter area in the two CPU Units in duplex
mode do not have the same contents.
ON: When the power is ON, the CPU Unit set to standby in
duplex mode detected that the active CPU is missing. This
happens in the following cases.
• The active CPU Unit is not mounted.
• The use active CPU setting switch is set to NO USE.
• Because DIP Switch Pin 7 is ON on the active CPU Unit,
simple backup (reading from memory card to CPU Unit) is
set.
• A DIP switch setting error has occurred on the active CPU
Unit.
A31715
ON: The user program in the two CPU Units in duplex mode
do not have the same contents.
A80400
ON: The unit version of the standby CPU Unit is earlier than
the unit version of the active CPU Unit and the active CPU
Unit uses a PLC Setup setting (Ethernet Duplex Setting) that
is not supported by the standby CPU Unit.
Description
Description
Section 8-11
Reference
Duplex Verifications
Errors
Duplex Power Supply
Errors
Duplex Communica-
tions Errors
Duplex Verifications
Errors
---
Duplex Power Supply
Errors
Duplex Communica-
tions Errors
Access
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