5-13
NOTE
Disabling the local keys does not disable all flowmeter configuration
changes. With the local keys disabled, you can still make changes to the
flowmeter configuration using a HART Communicator.
Diagnostics and Service The diagnostics and service functions listed here are primarily for use
after you install the flowmeter in the field. The transmitter test feature
is designed to verify that the flowmeter is operating properly, and can
be performed either on the bench or in the field. The loop test feature is
designed to verify proper loop wiring and flowmeter output, and should
only be performed after you install the flowmeter.
Transmitter Test
The transmitter test command initiates a more extensive diagnostics
routine than that performed continuously by the flowmeter. The
flowmeter test routine can quickly identify potential electronics
problems. If the transmitter test detects a problem, messages to
indicate the source of the problem are displayed on the communicator
screen.
Loop Test
The Loop Test command verifies the output of the flowmeter, the
integrity of the loop, and the operations of any recorders or similar
devices installed in the loop. To initiate a loop test, perform the
following procedure:
HART Comm. 1, 2, 1, 1
HART Comm. 1, 2, 2
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