Omron NSJ CONTROLLERS - 03-2008 Operation Manual page 245

System Memory List
Address
$SB34 Notification/control
$SB35 Notification/control
$SB36 Notification/control
$SB37 Notification/control
$SB38 Notification/control
$SB39 Control
$SB40 Control
$SB41 Control
$SB42 Notification/control
$SB43 Notification/control
$SB44 ---
$SB45 Control
$SB46 Notification
$SB47 Notification
$SB48 Notification
$SB49 Notification/control
$SB50 Notification
$SB51 Notification
$SB52 Notification
Note The notification words are not write prohibited. In addition, the system will not restore values, except
when the status has changed.
System memory is allocated to PLC areas (including the Controller Section) as shown below. Allocated
addresses for System Memory using CX-Designer on the Initial Tab Page that appears when PT - System Set-
tings is selected.
$SB + m
15 0
Word m: $SB0 to $SB15
31 16
Word m+1: $SB16 to $SB31
47 32
Word m+2: $SB32 to $SB47
52 48
Word m+3: $SB48 to $SB52
System Word Memory ($SW)
System word memory ($SW) is used for exchanging information between the Controller Section and the Dis-
play Section in word units, such as controlling the Display Section and notifying the Controller Section of Dis-
play Section status.
The system word memory contains 39 items with predefined functions. The system word memory is listed in
the following table.
Address
$SW0 Notification/control
$SW1 Notification/control
$SW2 Notification/control
$SW3 Notification/control
$SW4 Notification/control
$SW5 Notification/control
$SW6 Notification/control
$SW7 Notification/control
214
Classification
Internal Holding Memory ($HB/$HW) Initialization
Initialize Data Log
Save Data Log
Initialize Operation Log
Save Operation Log
Log Functional Object Operation
Log Switch Screen Operation
Log Macro Operation
Initialize Error Log
Save Error Log
Reserved
Macro Error Dialog Control
Notification of Macro Error
Logging Process or Video Capture Error Flag
Memory Card Free Space Check Flag
Stop Memory Card
Memory Card Removing Status
Periodical Data Log Save in Process Flag
Data Block Operation Complete Flag
Classification
Current Screen Number
Display Pop-up Screen 1 Number
Pop-up Screen 1 Display Position (X Coordinate)
Pop-up Screen 1 Display Position (Y Coordinate)
Display Pop-up Screen 2 Number
Pop-up Screen 2 Display Position (X Coordinate)
Pop-up Screen 2 Display Position (Y Coordinate)
Display Pop-up Screen 3 Number
Appendix B
Function
Function