Omega RD-MV100 Series, Руководство пользователя

Страница: 272 / 299

14-8
14.4 Alarm Function 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 0 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.
Display : The alarm status (type) is displayed in the numerical value
display area 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.
Hysteresis : On (0.5% of display span)/off selectable (applied to upper and
lower limits alarms, common to all measurement channels)
Relay outputs (option) : Number of points : 2, 4, 6 points
Relay action : Energized/deenergized, hold/non-hold, AND/
OR, reflash function selectable.
Alarm information : The times of alarm occurrences/recoveries, alarm types, etc.
Up to 120 latest alarms are stored in the internal memory.
Displayed on the alarm summary screen.