12-3
IM 04L20A01-01E
Specifications
12
12.2 Alarm Function Specifications
Item Specifications
Number of alarms Up to four alarms for each channel
Alarm types Upper and lower limits, delay upper and lower limits, difference upper and lower limits, and upper
limit and lower on rate-of-change
Alarm delay time Selectable from 1 s to 3600 s for each channel
Interval time of rate-of-change alarms
The scan interval times 1 to 15, common to all channels.
Relay outputs (option) Number of points: 2, 4, or 6 points
Relay action Energized/de-energized, hold/non-hold, AND/OR, reflash actions selectable.
The alarm relay condition is held even in the basic setting mode.
Contact rating: 250 VAC (50/60 Hz)/3 A or 250 VDC/0.1 A (resistive load)
Hysteresis On (0.5% of display span)/off selectable (applied to upper and lower limits alarms, common to all
measurement channels)
Display The alarm status is displayed in the operation screens upon occurrence of an alarm. A common
alarm indication is also displayed in the status display section.
The alarm indication behavior: non-hold or hold-type can be selectable for common to all channels.
Alarm information The date and time of alarm occurrences/recoveries, alarm types, etc. are displayed on the alarm
summary screen.