Reference Manual
00809-0100-4022, Rev AA
July 2002
Model 4600
3-2
COMMISSIONING ON
THE BENCH WITH HART
Commissioning consists of testing the transmitter and verifying transmitter
configuration data. The Model 4600 transmitter can be commissioned either
before or after installation. Commissioning the transmitter on the bench
before installation using a Model 275 HART Communicator or AMS ensures
that all transmitter components are in working order.
To commission on the bench, connect the transmitter and the HART
Communicator or AMS. Connect HART Communicator leads at any
termination point in the signal loop.
In order to commission the Model 4600, the power supply must provide 11.25
to 42.4 V dc at the transmitter terminals. A current meter is also required to
measure current output. To enable communication, a resistance of at least
250 ohms must be present between the HART Communicator loop
connection and the power supply. Do not use inductive-based transient
protectors with more than 3 mH of inductance with the Model 4600
transmitter.
When using a HART Communicator, any configuration changes made must
be sent to the transmitter by using the “Send” key (F2). AMS configuration
changes are implemented when the “Apply” button is clicked.
For more information on the Model 275 HART Communicator see document
00275-8026-0002. AMS help can be found in the AMS on-line guides within
the AMS system.
Setting the Loop to
Manual
Whenever sending or requesting data that would disrupt the loop or change
the output of the transmitter, set the process application loop to manual. The
HART Communicator or AMS will prompt you to set the loop to manual when
necessary. Acknowledging this prompt does not set the loop to manual. The
prompt is only a reminder; set the loop to manual as a separate operation.
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