Analog Input Range - Fisher FIELDVUE DVC6200 Instruction Manual

DVC6200 Digital Valve Controller
assign is automatically displayed when the Field
Communicator establishes contact with the digital
valve controller at power-up.
D Message—Enter any message with up to 32
characters. Message provides the most specific
user-defined means for identifying individual
instruments in multi-instrument environments.
D Descriptor—Enter a descriptor for the
application with up to 16 characters. The descriptor
provides a longer user-defined electronic label to
assist with more specific instrument identification
than is available with the HART tag.
D Date—Enter a date with the format
4
MM/DD/YY. Date is a user-defined variable that
provides a place to save the date of the last
revision of configuration or calibration information.
D Valve Serial Num—Enter the serial number
for the valve in the application with up to 12
characters.
D Inst Serial Num—Enter the serial number on
the instrument nameplate, up to 12 characters.
D Polling Address—If the digital valve controller
is used in point-to-point operation, the Polling
Address is 0. When several devices are connected
in the same loop, such as for split ranging, each
device must be assigned a unique polling address.
The Polling Address is set to a value between 0
and 15. To change the polling address the
instrument must be Out Of Service.
For the Field Communicator to be able to
communicate with a device whose polling address
is not 0, it must be configured to automatically
search for all or specific connected devices.
D Units (1-2-5-2)
D Pressure Units—Defines the output and
supply pressure units in either psi, bar, kPa, or
2
kg/cm .
D Temp Units—Degrees Fahrenheit or Celsius.
The temperature measured is from a sensor
mounted on the digital valve controller's printed
wiring board.
D Analog In Units—Permits defining the Analog
Input Units in mA or percent of 4−20 mA range.
D Analog Input Range (1-2-5-3)
D Input Range Hi—Permits setting the Input
Range High value. Input Range High should
48
correspond to Travel Range High, if the Zero
Power Condition is configured as closed. If the
Zero Power Condition is configured as open, Input
Range High corresponds to Travel Range Low.
See figure 4-5.
D Input Range Lo—Permits setting the Input
Range Low value. Input Range Low should
correspond to Travel Range Low, if the Zero Power
Condition is configured as closed. If the Zero
Power Condition is configured as open, Input
Range Low corresponds to Travel Range High.
See figure 4-5.
D Relay Type
There are three categories of relays that result in
combinations from which to select.
Relay Type: The relay type is printed on the label
affixed to the relay body.
A = double-acting or single-acting
B = single-acting, reverse
C= single-acting, direct
Special App: This is used in single-acting
applications where the "unused" output port is
configured to read the pressure downstream of a
solenoid valve. See page 16 for additional information.
Lo Bleed: The label affixed to the relay body
indicates whether it is a low bleed version.
D Zero Pwr Cond
The position of the valve (open or closed) when the
electrical power to the instrument is removed. Zero
Power Condition (ZPC) is determined by relay type, as
shown in figure 4-6.
D Max Supply Press
Enter the maximum supply pressure in psi, bar, kPa,
2
or kg/cm , depending on what was selected for
pressure units.
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 Inst Date and Time
Date is a user-defined variable that provides a place to
save the date of the last revision of configuration or
calibration information.
September 2010