Omron CJ2 CPU UNIT SOFTWARE - Page 621

A-137
Appendices
CJ2 CPU Unit Software User’s Manual
A-3 Auxiliary Area
App
A-3-1 Read-only Area (Set by System)
A402 A402.00 Other Non-fatal
Error Flag (Sys-
tem Work Mem-
ory Error)
• ON when a non-fatal error other than a non-fatal error allocated
to A402.01 to A402.15 occurs. (E.g., When an error occurs in
memory for online editing.)
• Details of the other non-fatal errors are stored in A315.
Cleared for
error clear
operation.
Cleared ---
A402.02 Special I/O Unit
Setting Error
Flag
(Non-fatal error)
ON when an installed Special I/O Unit does not match the Special
I/O Unit registered in the I/O table. The CPU Unit will continue
operating and the ERR/ALM indicator on the front of the CPU Unit
will flash.
ON: Error
OFF: No error
This flag will be turned OFF when the error is cleared.
The unit number of the Unit where the setting error occurred is
indicated in A428 to A433.
ON when any of the following occur for a Unit registered in the
synchronous unit operation settings.
• The Unit does not support the synchronous unit operation func-
tion.
• The Unit is not connected in the PLC.
• The Unit is not in the CPU Rack (i.e., it is in an Expansion
Rack).
The CPU Unit will continue operating and the ERR/ALM indicator
on the front of the CPU Unit will flash.
ON: Error
OFF: No error
This flag will be turned OFF when the error is cleared and the cor-
rect PLC Setup is transferred to the CPU Unit.
The unit number of the Unit where the setting error occurred is
indicated in A428 to A433.
Cleared Cleared A428 to A433
A402.03 CPU Bus Unit
Setting Error
Flag
(Non-fatal error)
ON when an installed CPU Bus Unit does not match the CPU Bus
Unit registered in the I/O table. The CPU Unit will continue operat-
ing and the ERR/ALM indicator on the front of the CPU Unit will
flash.
ON: Error
OFF: No error
This flag will be turned OFF when the error is cleared.
The unit number of the Unit where the setting error occurred is
written to A427
Cleared Cleared A427
Address
Name Function
Status
after mode
change
Status at
startup
Write timing/
Related flags, set-
tings
Words Bits