Flowserve StarPac II Control Valves - Manual (Page 13)

Alarms - Allows the user to view any current alarms using the NEXT
or PREVIOUS function keys. Possible alarms are:
Setpoint Deviation - The controller is unable to maintain the
process at the current setpoint. (Sensitivity is adjusted using
StarTalk software.)
Positioner Deviation - The positioner is unable to maintain the
valve position at the current command. (Sensitivity is adjusted
using StarTalk software.)
Trip Condition - The unit is in a trip condition of either loss of
command, low supply air, or a low flow cutoff. Low flow is
determined when the pressure drop across the valve is less than
0.5% of the calibrated range of the pressure sensors. (Use the
Row 1 Variable M
ODE /S TATUS menu selection to display the type
of trip.)
Override Condition - Indicates the controller is not currently
capable of doing any more to achieve the setpoint (or valve
position). This can be any of the trip conditions, or a mechanical
or software travel limit has been reached and the controller has
exceeded the 5 percent current limit.
Sensor Malfunction - One of the sensors has a suspect output.
(See sensor errors for detail.)
Device Malfunction - The electronics has an internal error.
(See device errors for detail.)
Sensor Errors - Allows the user to view any current sensor errors
using the NEXT or PREVIOUS
function keys. Possible sensor errors
are:
Upstream Pressure - The output of the upstream pressure
sensor is out of range.
Downstream Pressure - The output of the downstream
pressure sensor is out of range.
Cylinder Top Press - The output of the top actuator pressure
sensor is out of range.
Cylinder Bot Press - The output of the bottom actuator
pressure sensor is out of range.
Process Temperature - The output of the process temperature
sensor is out of range.
Ambient Temperature - The output of the ambient temperature
sensor is out of range.
Position Feedback - The output of the position feedback sensor
is out of range.
Device Errors - Allows the user to view any device errors using the
NEXT or PREVIOUS
function keys. Possible device errors are:
Watch Dog Timeout - The CPU had an interruption in the
execution cycle. This is sometimes caused by momentary
power interruptions. However, if it persists, this is a serious error
usually requiring hardware replacement. This error can only be
cleared by turning off the device and then turning it on again.
SRAM R/W Failure - The static RAM had an error. This is a
serious error usually requiring hardware replacement if it
StarPac II User Interface Manual 7