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DL8 USERS
MANUAL EM-7691-B Rev.24
7.2.3 ALARM ZONE SETTING
Input range can be divided into max. 5 zones, and deadband can be set between zones.
(1) Click [Alarm zone setting] button in “AI” configuration dialog to open “Alarm zone setting (AI)” dialog.
1.Click
AI Configuration Dialog
Alarm zone setting (AI)
(2) Set parameters according to the table below.
PARAMETER DESCRIPTION
Partitions
Select the number of zones to use. Selectable from: None / 2 / 3 / 4 / 5.
Name
Enter zone name (max. 64 characters).
Color
Set a color to identify the zone on the web browser.
Upper limit
Lower limit
The boundary of each zone is defined by upper limit, lower limit, specified in engineering unit value.
Set such that the upper limit > lower limit.
• Setting deadband
When deadband is required between zone 1 and zone 2, set apart the upper limit value of zone 1 from
the lower limit value of zone 2 so that the gap in between is defined as deadband.
For other zones, choose limit values in the same manner.
• No deadband
When deadband is not required between zone 1 and zone 2, set the upper limit value of zone 1 to the
same value as the lower limit value of zone 2. For other zones, choose limit values in the same manner.
Event log
The signal entering a zone can be recorded as an event in the event log on the web browser.
Check the box to enable the event log.
PI Reset
PI count value can be reset when the AI enters a specific zone.
Click PI Reset button to open a dialog box and specify which PI channels are to be reset.
(3) Click [OK] button to temporarily save the setting.
1.Click