OFF
ON
SV
SV
OFF
ON
OFF
ON
OFF
ON
OFF
ON
EVT1 value
OFF
ON
OFF
ON
SV
SV
OFF
ON
Process high alarm Process low alarm
High limit alarm
Low limit alarm
High/ Low limit range alarm
High/ Low limit range independent
High/ Low limits alarm High/ Low limits independent alarm
EVT1 hysteresis
EVT1 hysteresis
Alarm
action
Alarm
output
Alarm
action
Alarm
output
Alarm
action
Alarm
output
Alarm
action
Alarm
output
- EVT1 value
+EVT1 value +EVT1 value
-EVT1 value
EVT1 hysteresis
EVT1 hysteresisEVT1 hysteresis
EVT1 hysteresisEVT1 hysteresis
EVT1 value EVT1 valueSV
+ side
- side
+ side
- side
EVT1 value
EVT1 value
SV EVT1 value
EVT1 low limit value
EVT1 high limit value
EVT1 low limit value EVT1 high limit value
EVT1 hysteresis