Flowserve 520MD Positioners - Manual (Page 9)

DD User Manual - Logix® 520MD+ Series Digital Positioner FCD-LGENSF0017-00 8/13
© Flowserve Corporation
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5.5.1.11 Reset Travel Count
The Valve Travel Accumulator can be reset to zero.
5.5.2 Position Alerts
Allows you to change position alert settings. Controls the
Position Upper and Lower Limit Alert.
5.5.2.1 Position Upper Alert
Enter the Upper Position Alert set point in percent of full
stroke. If the valve stroke exceeds this value, Upper Position
Alert is activated.
5.5.2.2 Position Lower Alert
Enter the Lower Position Alert set point in percent of full
stroke. If the valve stoke falls below this value Lower Position
Alert is activated.
5.5.2.3 Position Deviation Deadband
Position Deviation Deadband entered in percent determines
the minimum steady state difference which generates a
Position Deviation Alert. This is entered as an absolute
value. For example, if a deadband of +/- 2% is desired a
value of 2 should be entered.
5.5.2.4 Position Deviation Time
Position Deviation Time is the amount of time (entered in
seconds) that the position deviation can exceed the Position
Deviation Deadband before a Position Deviation Alert is
generated.
5.5.3 Units
Allows you to view and change the pressure, if equipped, and
temperature units of measure.
5.5.3.1 Press Units
5.5.3.2 Change Pressure Units
5.5.3.3 Temp Units
5.5.4 Burst Mode Settings
Allows access to view and change burst settings.
5.5.4.1 Burst Mode State
There are two possible states: enabled, disabled.
5.5.4.2 Command to Burst
Allows the selection of the HART command to burst to the
host.
5.5.4.3 Variables for Command 33
Allows the selection of individual variables to burst with
HART command 33.
5.6 Device Information
Allows access to System Information, Positioner version
information, Actuator information, Valve Trim information,
and Valve Body information.
5.6.1 Positioner
View HART information, change HART tag name, message,
descriptor, and date.
5.6.1.1 Manufacturer
Manufacturer identification code.
5.6.1.2 Device
Device - References the type of Field Device, usually an
advertised model number, that is unique to a single
manufacturer.
5.6.1.3 Dev ID
Field Device Identification - Uniquely identifies the positioner
when combined with the Manufacturer Identification and
Device Type, entered at the factory.
5.6.1.4 Elect SN
Serial Number of the electronics control board.
5.6.1.5 Final Assm #
Positioner Final Assembly Number - Number that is used for
identification purposed, entered at the factory.
5.6.1.6 Device Tag
Tag - Text that is associated with the positioner installation.
This text can be used by the user in any way. A
recommended use is as a unique label to a plant that
correlates to a Field Device label: a plant drawing, or on a
Control System. This variable is also used to address the
device when communicating with HART. Enter up to 8
characters.
5.6.1.7 Message
Message - Text that is associated with the positioner. This
text can be used by the user in any way. Enter up to 32
characters.
5.6.1.8 Descriptor
Descriptor - Text that is associated wit the positioner. This
text can be used by the user in any way. Enter up to 16
characters.
5.6.1.9 Date
Date - calendar date that is stored in the positioner. This date
can be used by the user in any way.