Omron NS12 Quick Start Manual page 19

OMRON
System word memory (indicated by $SW) is used to exchange information between
the host and the PT in word units, such as for controlling the PT and notifying the host
of PT status. The system word memory contains 37 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
$SW8 Notification/control
$SW9 Notification/control
$SW10 Notification/control
$SW11
$SW12
$SW13 Control
$SW14 Notification
$SW15 Notification
$SW16 Notification
$SW17 Notification
$SW18 Notification
$SW19 Notification
$SW20 Notification
$SW21 Notification
$SW22
$SW23 Notification
$SW24 Notification
$SW25 Notification
$SW26 Notification
$SW27 Control
$SW28 Control
$SW29 Control
$SW30 Control
$SW31 Control
$SW32 Control
$SW33 Control
$SW34 Control
$SW35 Control
$SW36 Control
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
Pop-up screen 3 display position (X coordinate)
Pop-up screen 3 display position (Y coordinate)
Display label number
 Reserved
 Reserved
Password number for input prohibit clear
Current time (min, s)
Current date and time (day, hour)
Current date (year, month)
Current day (day of the week)
No. of generated alarms and events
ID number for generated alarms and events
ID number for cleared alarms and events
Alarm/event ID when alarm/event object macro executed
 Reserved
Macro execution error number
Macro error screen number
Macro error object ID number
Error macro execution timing
Offset value for index I0
Offset value for index I1
Offset value for index I2
Offset value for index I3
Offset value for index I4
Offset value for index I5
Offset value for index I6
Offset value for index I7
Offset value for index I8
Offset value for index I9
NS Series Quick Start Manual
Function
Page 19