Emerson 475 - Page 82

Troubleshooting
82
More than one Field
Communicator or other
Secondary Master may
be attached to the
control loop.
Ensure there is only one
Primary Master and one
Secondary Master on
the control loop.
A HART device
appears at the
multiple addresses.
The incorrect polling
addresses may be used.
Change the addresses
being polled. See
“Changing the HART
polling options” on
page 53.
HART Universal
Revision 5 (or earlier), 6,
and 7 devices are on the
same loop
Put HART Universal
Revision 5 or earlier
devices on a separate
loop from HART
Universal Revision 6 or
7 devices.
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