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USER’S MANUAL
February 2009
375 FIELD COMMUNICATOR
SECTION 3 HART FUNCTIONALITY
OVERVIEW This section provides instruction on basic HART
functionality in the 375 Field Communicator. It is based
on the operation of the HART Application version 4.0.
SAFETY
MESSAGES
Procedures and instructions in this section may require
special precautions to ensure the safety of the personnel
performing the operation. Information that raises
potential safety issues is indicated by a warning symbol
( ). Refer to the following safety messages before
performing an operation preceded by this symbol. Other
warning messages can be found in the Troubleshooting
section of this manual.
WARNING
If you choose to ignore all field device status messages, every message from nuisance to critical
will be ignored.
WARNING
Voltage measurements are for reference purposes only. Do not make critical process control
decisions based upon these measurements.