West Control Solutions DataVU 7 - Manual (Page 141)

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20 Configuration - Limit Monitoring
Nine limit values are available for limit monitoring, in addition to the alarms at
channel level.
For a description of the alarms at channel level, see Chapter 13.4 "Alarm
configuration".
20.1 Function … Alarm Configuration
Overview
Function “Low alarm” and “High alarm” are available for each limit value.
Analog value Analog value determines the internal or external analog input that is to be
monitored.
(1) (2)
(3) (3)
alarm on
alarm off
(1) = Low alarm (limit value)
(2) = High alarm (limit value)
(3) = Hysteresis
Inactive Limit monitoring is switched off.
Low alarm Binary signal “Limit monitoring 1 — 9” is activated when
the value falls below the limit.
High alarm Binary signal “Limit monitoring 1 — 9” is activated when
the value goes above the limit.