Fisher FIELDVUE DVC6200 Instruction Manual page 51

D Environment Alerts
Supply Press Lo Alert (1-2-3-3-1)
Note
The Supply Pressure Lo alert is
available for instrument level AD, PD,
and ODV.
D Supply Press Lo Alrt Enab—When enabled,
the instrument sends an alert when the supply
pressure falls below the supply pressure alert point.
Factory default is Yes.
D Supply Press—Supply Pressure displays the
instrument supply pressure in kPa,bar, psi, or
2
kg/cm .
D Supply Press Lo Alrt Pt—Supply Pressure Lo
Alert Point. When the supply pressure falls below
the supply pressure alert point, the supply pressure
alert is active. To disable the supply pressure alert,
set Supply Press Alrt Pt to zero.
Aux Terminal Alerts
(1-2-3-3-1) HC
(1-2-3-3-2) (AD, PD, ODV)
D Aux Terminal Alrt Enab—Yes or No. Auxiliary
Input Alert Enable activates checking the status of
the auxiliary input when the Auxiliary Terminal
Mode is Aux Input Alert. When enabled, the
Auxiliary Input Alert is set when the auxiliary input
terminals are either open or closed, depending
upon the selection for the Aux In Alrt State. Factory
default is No.
D Aux Input—The auxiliary input is a contact or
discrete input, which may be open or closed.
D Aux Term Mode—Aux Input Alert or Auto
Travel Calib. Selecting Aux Input Alert then Aux In
Alrt Enab activates checking the status of the
auxiliary input contacts. Selecting Auto Travel Calib
permits starting an automatic travel calibration
procedure by placing a jumper across the auxiliary
input terminals for 3 to 5 seconds.
D Loop Current Validation Enable (1-2-3-3-2)
When enabled, the instrument shuts down
whenever there is a failure associated with the
measured loop current being out-of-range.
September 2010
Detailed Setup
D Travel Alerts (1-2-3-4)
D Travel—Travel displays the actual position of
the valve in percent (%) of calibrated travel.
D Tvl Set Pt—Travel set point is the input to the
characterization function.
D Tvl Alrt DB—Travel Alert Deadband is the
travel, in percent (%) of ranged travel, required to
clear a travel alert, once it has been set. The
deadband applies to both Travel Alert Hi/Lo and
Travel Alert Hi Hi/Lo Lo. See figure 4-2.
Travel Deviation Alert (1-2-3-4-4)
If the difference between the travel target and the
actual target exceeds the Travel Deviation Alert
Point for more than the Travel Deviation Time, the
Travel Deviation Alert is set. It remains set until the
difference between the travel target and the actual
travel is less than the Travel Deviation Alert Point
minus the Travel Alert Deadband.
D Tvl Dev Alrt Enable—Travel Deviation Alert
Enable, select Yes or No. When enabled, checks
the difference between the travel target and the
actual travel. Factory default is Yes.
D Tvl Dev Alrt Pt—Travel Deviation Alert Point
is the alert point for the difference, expressed in
percent (%), between the travel target and the
actual travel. When the difference exceeds the
alert point for more than the Travel Deviation Time,
the Travel Deviation Alert is set.
D Tvl Dev Time—Travel Deviation Time is the
time, in seconds, that the travel deviation must
exceed the Travel Deviation Alert Point before the
alert is set.
Travel Limit Alerts (1-2-3-4-5)
Travel Alert Hi Hi is set if the ranged travel rises
above the alert high point. Once the alert is set, the
ranged travel must fall below the alert high high
point by the Travel Alert Deadband before the alert
is cleared. See figure 4-2.
Travel Alert Lo Lo is set if the ranged travel falls
below the alert low low point. Once the alert is set,
the ranged travel must rise above the alert low low
point by the Travel Alert Deadband before the alert
is cleared.
D Tvl Alrt Hi Hi Enab—Yes or No. Travel Alert
HiHi Enable activates checking of the ranged travel
against the Travel Alert High-High points. Factory
default is No.
4
43