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46 of 88
User Manual QT series generation 2.5, ID 2021, rev 3.2, January 14, 2022
Figure 37: Manual operation of the actuator
Figure 38: Position scale
The following subsections describe what triggers an alarm, reactions from
the actuator and how the alarm is reset.
•
Trigger conditions: One or more of the alarms POSITION UNDEFINED,
TEMPERATURE or, TORQUE is active.
•
Reaction from actuator: None for the GENERAL alarm itself, but the other
active alarms that are active have reactions.
•
Reset conditions: The alarms POSITION UNDEFINED, TEMPERATURE and
TORQUE must be inactive.
•
Trigger conditions: The outgoing shaft of the actuator is out of range.
•
Reaction from actuator: None besides an active alarm.
•
Reset conditions: The outgoing shaft must be run back within range.
Valve percent position is a [0%, 100%]
value. A value of 0% corresponds to
the
CLOSED position
, while a value of 100% corresponds to the
OPEN
