General Information; Hart Tag Message Descriptor Date; Instrument Serial Number; Measured Variable Units And Ranges - Emerson Fisher FIELDVUE DVC2000 Instruction Manual

Digital valve controller
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DVC2000 Digital Valve Controller
Table 4-2. Conditions for Modifying FIELDVUE DVC2000 Digital Valve Controller Parameters (Continued)
Parameters
Flash ROM Fail
No Free Time
Ref Voltage Fail
Drive Current Fail
Critical NVM Fail
Temp Sensor Fail
Press Sensor Fail
Tvl Sensor Fail
n—indicates parameter may be modified for instrument mode and protection shown.

General Information

Select Setup & Diag, Detailed Setup, and General.
4
Follow the prompts on the Field Communicator display
to enter or view information in the following fields:
HART Tag, Message, Descriptor, Date, Valve Serial
Num (Valve Serial Number), Inst Serial Num
(Instrument Serial Number), Polling Address, and LUI
Language.
D HART Tag—Enter an up to 8 character HART
tag for the instrument. The HART tag is the easiest
way to distinguish between instruments in a
multi-instrument environment. Use the HART tag to
label instruments electronically according to the
requirements of your application. The tag you 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 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
4-6
In Service/
In Service/
Config Protected
Config Unprotected
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
Out of Service/
Config Protected
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
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. For information on
configuring the Field Communicator for automatic
polling, see the 375 Field Communicator Basics
section, Appendix B.
D LUI Language—Select the language to be
displayed on the local user interface; English, French,
German, Italian, Spanish, Chinese and Japanese.

Measured Variable Units and Ranges

To define the measured variable units and ranges,
select Setup & Diag, Detailed Setup, and Measured
Var. Follow the prompts on the Field Communicator
display to enter or view information in the following
fields: Analog Input Unit, Analog In Range Hi (Analog
Input Range High), Analog In Range Lo (Analog Input
Range Low) Pressure Units, LUI Pressure Units, and
Temp Units (Temperature Units).
D Analog Input Units—Permits defining the Analog
Input Units in mA or percent of 4-20 mA range.
D Analog In Range Hi—Permits setting the Input
Range High value. Input Range High should
correspond to Travel Range High, if the Zero Control
Signal is configured as closed. If the Zero Control
Signal is configured as open, Input Range High
corresponds to Travel Range Low. See figure 4-1.
D Analog In Range Lo—Permits setting the Input
Range Low value. Input Range Low should
correspond to Travel Range Low, if the Zero Control
Signal is configured as closed. If the Zero Control
Signal is configured as open, Input Range Low
corresponds to Travel Range High. See figure 4-1.
D Pressure Units—Defines the output and supply
pressure units in either psi, bar, or kPa.
Out of Service/
Config Unprotected
n
n
n
n
n
n
n
n
July 2009

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