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On-Line Operation
4. In the Simulation Test menu, press 1 Simulation to display the Select menu. Choose one of the
following.
1 Loop Test: To test the loop, press 1. A warning message will appear: "Loop should be removed
from automatic control." Press OK to continue. Then select either 4 ma, 20 mA, or a user-
entered value and press ENTER. Select End or ABORT to exit and return to the previous
menu. Press OK to return to the previous menu with the selected current sustained. To end
the simulation, press either 4 End or ABORT and return to the previous menu.
2 Inputs: From the menu that appears, select the pressure and/or temperature to be simulated.
Pressure simulation can employ either a fixed value or ramped values (specify starting value,
end value, step duration, and number of steps). Follow the on-screen prompts. End the
simulation and return to the previous menu by pressing ABORT.
6.4.21 Self Test and Master Reset
A transmitter self test or master reset can be initiated from the HART Communicator.
1. In the Online menu, press 3 Device Setup. In the Device Setup menu, press 2 Diagnostics/Service.
2. In the Diagnostics/Service menu, press 2 Simulation Test. In the Simulation/Test menu, press 2 Test
3. In the Test menu, press 1 Self Test to direct the transmitter to perform a self test of its internal
circuitry or press 2 Master Reset to direct the transmitter to reset its internal circuitry. Follow the on-
screen prompts. "Init" will momentarily flash in the display.
6-34
FIGURE 6-7 Simulation Circuit Diagram
UMSITRPDS3-1
November 2005
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