DVC6000f Digital Valve Controllers
December 2009
4-32
ALERT IS CLEARED
ALERT IS SET
TRAVEL ALERT
HIGH POINT
TRAVEL ALERT
DEADBAND
A6532/IL
Figure 4-2. Travel Hi Alert Deadband
Travel Limit
Travel Hi Hi Alert
This alert is active if the Travel exceeds the Travel Hi
Hi Alert point.
Travel Hi Hi Alert Enable
When enabled Travel Hi Hi Alert Enable activates the
Travel Hi Hi Alert.
Travel Hi Hi Alert Point
Travel Hi Hi Alert Point (TVL_HI_HI_ALRT_PT
[77.18]) is the value of the travel, in percent (%) of
ranged travel, which, when exceeded, sets the Travel
Alert Hi Hi alert.
Travel Hi Hi Deadband
Travel Hi Hi Deadband (TVL_HI_HI_DB [77.19]) is the
travel, in percent (%) of ranged travel, required to
clear a Travel Hi Hi alert, once it has been set. See
figure 4-2.
Travel Lo Lo Alert
This alert is active if the Travel is lower than the Travel
Lo Lo Alert point.
Travel Lo Lo Alert Enable
When enabled Travel Lo Lo Alert Enable activates the
Travel Lo Lo Alert.
Travel Lo Lo Alert Point
The Travel Lo Lo alert is set when the value of the
travel, in percent (%) of ranged travel, goes below the
Travel Lo Lo Alert Point (TVL_LO_LO_ALRT_PT
[77.12]).
Travel Lo Lo Deadband
Travel Lo Lo Deadband (TVL_LO_LO_DB [77.13]) is
the travel, in percent (%) of ranged travel, required to
clear a Travel Lo Lo alert once it has been set. See
figure 4-3.
ALERT IS CLEARED
ALERT IS SET
TRAVEL ALERT
LO POINT
TRAVEL ALERT
DEADBAND
A6532-1/IL
Figure 4-3. Travel Lo Alert Deadband
Travel Hi/Lo
Travel Hi Alert
This alert is active if the Travel exceeds the Travel Hi
Alert point.
Travel Hi Alert Enable
When enabled Travel Hi Alert Enable activates the
Travel Hi Alert.
Travel Hi Alert Point
Travel Hi Alert is set if the ranged travel rises above
the Travel Hi Alert Point (TVL_HI_ALRT_PT [77.16]).
Once the alert is set, the ranged travel must fall below
the alert high point set by the Travel Hi Deadband
before the alert is cleared. See figure 4-2.
Travel Hi Deadband
Travel Hi Deadband (TVL_HI_DB [77.17]) is the travel,
in percent (%) of ranged travel, required to clear a
Travel Hi Alert, once it has been set. See figure 4-2.
Travel Lo Alert
This alert is active if the Travel is lower than the Travel
Lo Alert point.
Travel Lo Alert Enable
When enabled Travel Lo Alert Enable activates the
Travel Lo alert.
Travel Lo Alert Point
The Travel Alert Lo alert is set when the value of the
travel, in percent (%) of ranged travel, goes below the
Travel Lo Alert Point (TVL_LO_ALRT_PT [77.14]).
Travel Lo Deadband
Travel Lo Deadband (TVL_LO_DB [77.15]) is the
travel, in percent (%) of ranged travel, required to
clear a travel lo alert, once it has been set. See
figure 4-3.
4
Summary of Contents for Fisher FIELDVUE DVC6000f
Page 54: ...DVC6000f Digital Valve Controllers December 2009 2 30 2 ...
Page 62: ...DVC6000f Digital Valve Controllers December 2009 4 2 4 ...
Page 127: ...Transducer Block December 2009 4 67 4 ...
Page 141: ...AO Function Block December 2009 4 81 4 ...
Page 207: ...MAI Function Block December 2009 4 147 4 ...
Page 219: ...DO Function Block December 2009 4 159 4 ...
Page 231: ...DI Function Block December 2009 4 171 4 ...
Page 302: ...DVC6000f Digital Valve Controllers December 2009 8 16 8 ...
Page 306: ...DVC6000f Digital Valve Controllers December 2009 A 4 A ...
Page 350: ...DVC6000f Digital Valve Controllers December 2009 E 6 E ...
Page 368: ...DVC6000f Digital Valve Controllers December 2009 F 18 F ...
Page 372: ...DVC6000f Digital Valve Controllers December 2009 Glossary 4 Notes G Glossary ...
Page 382: ...DVC6000f Digital Valve Controllers December 2009 Index 10 F Index ...