Appendix 9 List of Optional Products
A-38
Address Classification Function
$SB46 Notification Notification of Macro Error
$SB47 Notification Logging Process or Video Capture Error Flag
The notification words are not write prohibited. In addition, the system will not restore val-
ues, except when the status has changed.
System memory is allocated to PLC areas as shown below.
Allocated Addresses for System Memory under NS-Designer Settings/Initialize
$SB + m
15
31
47
0
16
32
Word m: $SB0 to $SB15
Word m+1: $SB16 to $SB31
Word m+2: $SB32 to $SB47
System Word Memory ($SW)
System word memory ($SW) is used for exchanging information between the host and the
PT in word units, such as 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 Classification Function
$SW0 Notification/control Current screen number
$SW1 Notification/control Display pop-up screen 1 number
$SW2 Notification/control Pop-up screen 1 display position (X coordinate)
$SW3 Notification/control Pop-up screen 1 display position (Y coordinate)
$SW4 Notification/control Display pop-up screen 2 number
$SW5 Notification/control Pop-up screen 2 display position (X coordinate)
$SW6 Notification/control Pop-up screen 2 display position (Y coordinate)
$SW7 Notification/control Display pop-up screen 3 number
$SW8 Notification/control Pop-up screen 3 display position (X coordinate)
$SW9 Notification/control Pop-up screen 3 display position (Y coordinate)
$SW10 Notification/control Display label number
$SW11 - Reserved
$SW12 - Reserved
$SW13 Control Password number for input prohibit clear
$SW14 Notification Current time (min, s)
$SW15 Notification Current date and time (day, hour)
$SW16 Notification Current date (year, month)
$SW17 Notification Current day (day of the week)
$SW18 Notification No. of generated alarms and events
$SW19 Notification ID number for generated alarms and events
$SW20 Notification ID number for cleared alarms and events
$SW21 Notification Alarm/event ID when alarm/event object macro executed
$SW22 - Reserved
$SW23 Notification Macro execution error number
$SW24 Notification Macro error screen number
$SW25 Notification Macro error object ID number
$SW26 Notification Error macro execution timing
$SW27 Control Offset value for index I0
$SW28 Control Offset value for index I1
$SW29 Control Offset value for index I2
$SW30 Control Offset value for index I3
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