Emerson Fisher Fieldvue DVC6030f Instruction Manual page 284

DVC6000f Series
PlantWeb Alert
Alert and Category and
(Group) (Default)
Travel User Config.
Deviation (Maintenance)
(Travel)
Travel Limit User Config.
(Travel) (Advisory)
N/A User Config.
(Travel) (N/A)
9
N/A User Config.
(Proximity) (N/A)
Cycle Counter User Config.
(Travel History) (Maintenance)
Travel User Config.
Accumulator (Maintenance)
(Travel History)
9-12
Table 9-2. Using PlantWeb Alerts (Continued)
Alert Condition What the Alert is
and (Default) Detecting
Travel Deviation The difference between
(Enabled) Setpoint and Travel is
greater than the configured
limits.
Travel Limit Hi Hi The Travel is greater than
(Disabled) the configured limit.
Travel Limit Lo Lo The Travel is lower than the
(Disabled) configured limit.
Travel Limit Hi The Travel is greater than
(Disabled) the configured limit.
Travel Limit Lo The Travel is lower than the
(Disabled) configured limit.
Travel Open The Travel is greater than
(Disabled) the Open Alert Point
Travel Closed The Travel is greater than
(Disabled) the Closed Alert Point
The Travel is within the
Proximity Hi Hi
(Disabled) configured band of the
configured center point.
Proximity Hi
(Disabled)
Proximity Lo
(Disabled)
Proximity Lo Lo
(Disabled)
Cycle Counter The number of travel
(Disabled) reversals has exceeded the
configured limit.
Travel The accumulated travel has
Accumulator exceeded the configured
(Disabled) limit.
Effect on Valve /
Instrument
None − Indicates a
reduced performance
condition.
None
None
None
None
None
None
None
None
None
None
None
None
−Continued−
Recommended
Help
Action
Check valve The valve travel is not
friction, supply following setpoint. Check
air, instrument operation of the valve
tuning and instrument. Possible
items include; sticking
valve, low supply
pressure, broken
feedback linkage,
instrument pneumatic
components, actuator,
instrument tubing, poor
instrument tuning, etc.
Test the control valve
assembly for proper
operation. AMS
ValveLink Software
diagnostics can be used
for this purpose.
The actual valve position
Check process
has exceeded the
loop
configurable travel limit
Check process
(in %).
loop
Check process The actual valve position
loop has exceeded the
configurable travel limit
(in %).
Check process The actual valve position
loop has exceeded the
configurable ltravel limit
(in %).
Check process The actual valve position
loop is near the full open
position.
Check process The actual valve position
loop is near the full closed
position.
Check process The actual valve position
loop is near the configured
center point.
Perform periodic The cycle count limit has
maintenance been exceeded. Perform
periodic maintenance.
Check packing, linkages,
diaphragms, seals, etc.
Perform periodic The travel accumulator
maintenance limit has been exceeded.
Perform periodic
maintenance. Check
packing, linkages,
diaphragms, seals, etc.
March 2006