WindO/I-NV4 User’s Manual 13-19
3 Alarm Log Settings Dialog Box
13
Alarm Log Function
■ Channel Settings
The trigger condition for the channel is configured here.
Alarm function: Selects whether or not to use the alarm function.
Enable: Monitors the state of the device address configured for the channel and samples
the alarm information.
Disable: Does not monitor the state of the device address. No Alarm Log data is created.
Level: Specifies the level (1 to 8) of the alarm.
Displays the alarm level. Double clicking the cell allows you to change the level (1 to 8).
NO/NC: Selects the alarm detection condition.
NO: The alarm occurs when the monitored bit changes from 0 to 1.
NC: The alarm occurs when the monitored bit changes from 1 to 0.
Lock/Unlock: Selects whether or not to automatically recover based on the state of the monitored bit.
Lock: Even if the monitored bit returns the normal state, the alarm remains active until
the key button CHECK is pressed.
Unlock: The alarm is automatically recovered from based on the bit state when the
monitored bit returns the normal state.
Example: NO/NC is NO
Press CHECK
Record confirmaon me
Record recovery me
Record occurrence me
Unlock
Record confirmaon me
Record recovery me
No operaon
Record occurrence me
Lock
0
1
0
1
Monitored bit
Alarm occurred
The display on the Alarm List Display disappears when the alarm is recovered from, regardless of the Lock/
Unlock setting. To keep displaying the alarm until CHECK is pressed, use the Alarm Log Display.
Text ID: To use text registered in Text Manager as the message to display when an alarm occurs,
select this check box and specify the Text Manager ID number to use as the message.
Number of blocks x 16 (number of channels) text IDs are used starting from the set ID
number.
Click to open Text Manager where you can edit the text.
Text: Shows the text for the specified text ID.
Reference Screen Number: Specifies the screen number (1 to 3000) to display when the key button Ref. is pressed.
Number of blocks x 16 (number of channels) screens are used starting from the screen
number.
This option can only be configured when Base Screen or Popup Screen is selected in
Reference Screen.
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