Proximity Alerts - Fisher FIELDVUEDVC6200f Instruction Manual

Instruction Manual
D103412X012
D The Travel Limit Low Low Alert alert is active if the Travel is lower than the Travel Lo Lo Alert point.
D Travel Lo Lo Alert Point (TVL_LO_LO_ALRT_PT [84.8])— 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.
D Travel Lo Lo Deadband (TVL_LO_LO_DB [84.9]) 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.
D Travel Limit FD Config
Travel Hi/Lo
D The Travel Limit High Alert is active if the Travel exceeds the Travel Hi Alert point.
D Travel High Alert Point (TVL_HI_ALRT_PT [84.12])— Travel Hi Alert is set if the ranged travel rises above the Travel Hi
Alert Point. 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.
Figure 4‐3. Travel Lo Alert Deadband
ALERT IS CLEARED
ALERT IS SET
A6532‐1
D Travel Hi Deadband (TVL_HI_DB [84.13]) is the travel, in percent (%) of ranged travel, required to clear a Travel Hi
Alert, once it has been set. See figure 4‐2.
D The Travel Limit Low Alert is active if the Travel is lower than the Travel Lo Alert point.
D Travel Lo Alert Point (TVL_LO_ALRT_PT [84.10])— 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.
D Travel Lo Deadband (TVL_LO_DB [84.11]) is the travel, in percent (%) of ranged travel, required to clear a travel lo
alert, once it has been set. See figure 4‐3.

Proximity Alerts

Note
See page 317 for additional details on using Proximity detection.
Travel (DeChar) displays the actual position of the valve in percent (%) of calibrated travel.
TRAVEL ALERT
DEADBAND
TRAVEL ALERT
LO POINT
DVC6200f Digital Valve Controller
Detailed Setup - Transducer Block
February 2017
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