IDEC High Performance Series - Manual (Page 818)

3 Alarm Log Settings Dialog Box
13-20 WindO/I-NV2 User’s Manual
■ 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 configured for the channel and samples
the alarm information.
Disable: Does not monitor the state of the device. No Alarm Log data is created.
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: When NO/NC is NO
Press CHECK Record confirmaƟon Ɵme
Record recovery Ɵme
Record occurrence Ɵme
Unlock
Record confirmaƟon Ɵme
Record recovery Ɵme
No operaƟon
Record occurrence Ɵme
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 No.: 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.