Omron NS -, Руководство по программированию

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Section 2 NS Series Functions 2-4 System Memory
2-33
NS Series Programming Manual
supply turns OFF and the Memory Card can be removed from the PT. $SB49 automatically turns OFF
after the Memory Card has been removed.
Memory Card Removing Status (Power OFF) ($SB50)
$SB50 notifies the result of executing $SB49. When $SB49 is turned ON and the Memory Card can be
removed, $SB50 turns ON. After the Memory Card has been removed and $SB49 automatically turns
OFF, and $SB50 also automatically turns OFF.
This bit indicates the power supply status of the Memory Card. If $SB50 is OFF, it indicates that the
power is ON.
Periodical Data Log Save in Process Flag ($SB51)
$SB51 turns ON when the data log is being periodically saved. When saving is completed, the system
automatically turns $SB51 OFF.
Data Block Operation Complete Flag ($SB52)
$SB52 turns ON when command button data block control has been completed. $SB52 will remain ON
until it is turned OFF from the host, using a functional object, or other method.
Prohibit Screen Saver Startup ($SB53)
Bit $SB53 stops the screen saver from starting. When $SB53 is ON, the screen saver will not start.
When $SB53 is OFF, the screen saver will be started/canceled normally by the Screen Saver
Start/Cancel Bit ($SB9) as specified with the
Screen Saver settings on the System Settings Window’s
PT Tab Page.
The following table shows the operation of the NS-series PT when the status of $SB9 or $SB53
changes.
Status of $SB9 Status of $SB53 Operation
OFF OFF
→
ON Screen display continues. (The screen saver will not start.)
OFF ON
→
OFF
The screen saver starts after the Screen Saver Startup Time specified in the
System Settings Window.
ON OFF
→
ON The screen saver is canceled.
ON ON
→
OFF The screen saver starts after 3 s.
OFF
→
ON OFF The screen saver starts after 3 s.
ON
→
OFF OFF The screen saver is canceled.
OFF
→
ON ON Screen display continues. (The screen saver will not start.)
ON
→
OFF ON Screen display continues. (The screen saver will not start.)
Password Level Operable Status ($SB54 to $SB58)
If passwords are being used with the password level function, flags $SB54 to $SB58 indicate the
range of functional objects that can be manipulated in the window.
Example: Authenticating level 3
$SB54 ON
$SB55 ON
$SB56 ON
$SB57 OFF
$SB58 OFF
Operations are allowed on functional objects set to levels 1 to 3.
Operations are not allowed on functional objects set to level 4 or 5.
If the functional object’s Display setting in the Control Flag Tab is set for Indirect Address and Display
When Address ON and the status flag is indirectly specified, the status flag can be used to display only
the functional objects that are operable in that current password level.