User Instructions - Logix® 520MD+ Series Digital Positioner
FCD LGENIM0105-00
© Flowserve Corporation
32
Field Trial Version – Printed October 28, 2011
11 HART COMMUNICATION
The Logix 520MD+ series positioners use the HART
communication
protocol
specified
by
the
HART
Communication Foundation.
11.1 ValveSight DTM
Flowserve Corporation has written a custom configuration
and diagnostic Device Type Manager (DTM) for the Logix
520MD+
digital
positioner
called
ValveSight.
The
ValveSight
DTM
is
available
from
a
Flowserve
representative.
11.2 HART 375/475 Handheld
Communicator
The Logix 520MD+ digital positioner supports and is
supported by the HART 375/475 Handheld Communicator.
The Device Description (DD) files can be obtained from the
HART Communication Foundation or from your Flowserve
representative.
11.3 Burst Mode
Burst Mode is available with a handheld device. In the
menu of the handheld, select the Burst Mode feature under
the Configuration Menu.
11.4 Change from HART 6 to HART 5
The Logix 520MD+ positioner comes standard with the
HART 6 communication protocol. Follow this procedure to
change to HART 5 by removing the HART jumper.
1
Remove the outer cover.
2
Remove the inner cover by removing the 6 inner
cover retaining screws.
CAUTION: Observe precautions for handling
electrostatically sensitive devices.
3
With a clean, non-conductive instrument, remove the
HART jumper. The jumper connectors are located
below the left side of the LCD. The HART jumper
covers the left pair of pins. After removal of the
jumper, the positioner will immediately recognize the
HART 5 communication protocol.
4
Replace the covers.
Figure 19: HART Jumper
HART
Jumper
Summary of Contents for Logix 520MD+
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