Omron CJ2 - 02-2010 User Manual page 209

I/O Memory Hold Status According to I/O Memory Area
The following table gives the hold status for each I/O memory area.
Area
CIO Area I/O Area
(Core I/O Area)
Data Link Area
Synchronous Data
Refresh Area
CPU Bus Unit
Area
Special I/O Unit
Area
Serial PLC Link
*4
Area
DeviceNet Area
Internal I/O Area
Work Area (W)
Holding Area (H)
Auxiliary Area (A)
Data Memory Area (D)
Extended Data Memory Area (E)
Timer Completion Flags (T)
Timer PVs (T)
Counter Completion Flags (C)
Counter PVs (C)
Task Flag Area (TK)
Index Registers (IR)
Data Registers (DR)
*1 This area is supported only by CJ2H CPU Units.
*2 Turn ON the IOM Hold Bit (A500.12) in the Auxiliary Area to hold these areas.
*3 Turn ON the IOM Hold Bit in the Auxiliary Area (A500.12) and select the IOM Hold Bit Check Box in the Startup Hold Area
on the Startup Tab Page in the PLC Setup.
CJ2 CPU Unit Software User's Manual
CPU Unit operat-
ing mode
changes
*2
Possible to hold
(Depends on set-
tings.)
*1
*2
Possible to hold
(Depends on set-
tings.)
Held
Held or cleared depending on the address.
Held
Held
*2
Possible to hold
(Depends on set-
tings.)
*2
Possible to hold
(Depends on set-
tings.)
Held
Held
Cleared
Cleared
Cleared
Fatal errors
FALS(007) exe-
Other fatal errors
cuted
Held
Possible to hold
(Depends on set-
tings.)
Held
Possible to hold
(Depends on set-
tings.)
Held
Possible to hold
(Depends on set-
tings.)
Held
Possible to hold
(Depends on set-
tings.)
Held Cleared
Held Cleared
Held Cleared
6 I/O Memory Areas
Power supply
turned ON
*2 *3
Possible to hold
(Depends on set-
tings.)
*2 *3
Possible to hold
(Depends on set-
tings.)
*2 *3
Possible to hold
(Depends on set-
tings.)
*2 *3
Possible to hold
(Depends on set-
tings.)
Cleared
Cleared
Cleared
6-7
6