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DCP200 Profile Controller & Recorder - Product Manual
51-52-25-150, Issue 1 – April 2009 Glossary Page 133
Figure 49. Alarm Hysteresis Operation
PROCESS HIGH
ALARM
PROCESS LOW
ALARM
BAND ALARM
DEVIATION HIGH
ALARM
DEVIATION LOW
ALARM
Inactive
Inactive
Inactive
Inactive
Inactive
Inactive
Alarm Inactive
Alarm Inactive
Alarm Active
Active
Inactive
Inactive
Active
Active
Inactive
Active
Active
Alarm Value
Alarm Value
Alarm Value
(from Setpoint)
Setpoint
Process Variable
Process Variable
Process Variable
Process Variable
Process Variable
Alarm Hysteresis Value
Alarm Hysteresis Value
Alarm Hysteresis Value
Alarm Hysteresis Value
Alarm Hysteresis Value
Alarm Hysteresis Value
Setpoint
Setpoint
Alarm Value
(from Setpoint)
Alarm Value
(from Setpoint)
Alarm Value
(from Setpoint)