Performing Transmitter Tests - Emerson Rosemount 2051 Reference Manual

Reference Manual
00809-0100-4107
Figure 2-16: Re-mapping with LOI
2.9

Performing transmitter tests

2.9.1 Verifying alarm level
If the transmitter is repaired or replaced, verify the transmitter alarm level before
returning the transmitter to service. This is useful in testing the reaction of the control
system to a transmitter in an alarm state. Thus ensuring the control system recognizes the
alarm when activated. To verify the transmitter alarm values, perform a loop test and set
the transmitter output to the alarm value see
Note
Before returning transmitter to service, verify security switch is set to the correct position.
Refer to
2.9.2 Performing an analog loop test
The analog loop test command verifies the output of the transmitter, the integrity of the
loop, and the operations of any recorders or similar devices installed in the loop. It is
recommended that the 4–20 mA (1–5 Vdc) points in addition to alarm levels when
installing, repairing, or replacing a transmitter.
The host system may provide a current measurement for the 4–20 mA (1–5 Vdc) HART
output. If not, connect a reference meter to the transmitter by either connecting the
meter to the test terminals on the terminal block, or shunting transmitter power through
the meter at some point in the loop. For 1–5 V output, voltage measurement is directly
measured from Vout to (–) terminals.
Performing an analog loop test using a Field Communicator
From the HOME screen, enter the Fast Key sequence.
Device Dashboard Fast Keys
Reference Manual
VIEW CONFIG
ZERO TRIM
UNITS
RERANGE
LOOP TEST
DISPLAY
EXTENDED MENU
EXIT MENU
Verify configuration.
EXTENDED MENU
CALIBRAT
DAMPING
TRANSFER FUNCT
SCALED VARIAB
ASSIGN PV
TAG
ALARM SAT VALUES
PASSWORD
SIMULATE
HART REV
BACK TO MENU
EXIT MENU
Configuring alarm and saturation
3, 5, 1
Configuration
September 2020
levels.
®
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