Alarm Relays - ABB Aztec 600 Color Manual

Aztec 600 aluminium, ammonia, color, iron, manganese, phosphate
Single- and multi-stream colorimetric analyzers

6.4 Alarm Relays

Concentration Concentration
Fig. 6.3 High/Low Process Alarms
Concentration
High Latch Alarm Action
Fig. 6.4 High/Low Latch Alarms
Concentration
High Annunciate Alarm Action
Fig. 6.5 High/Low Annunciate Alarms
34
Hysteresis
Alarm On
Alarm switches
off automatically
High Alarm Action
Hysteresis
Alarm On Alarm Latched
Earliest point that
the alarm can be
acknowledged
acknowledged
by operator
Alarm switches
Alarm
off automatically
acknowledged
by operator
Concentration
Trip Point
Alarm Off
Concentration
Trip Point
Alarm Off
Alarm
Concentration
Trip Point
Alarm Off
Low Annunciate Alarm Action
Hysteresis
Alarm On
Alarm switches
off automatically
Low Alarm Action
Hysteresis
Alarm On Alarm Latched
Earliest point that
the alarm can be
acknowledged
Low Latch Alarm Action
Hysteresis
Alarm On
Alarm switches
Alarm
off automatically
acknowledged
by operator
IM/AZT6CR–EN Rev. R
6 Configuration
Alarm
Off
Alarm
acknowledged
by operator