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English–DPI610E Instruction Manual | 219
HART Service Methods
12.4 HART Service Methods
Figure 12-6: Service Methods screen
The Service Methods available on the DPI 610E are:
1.
LOOP TEST
2.
D/A OUTPUT TRIM (page 221)
3.
PRESSURE ZERO TRIM (page 225).
12.4.1 LOOP TEST
The method is used to set the output of the
HART
device at a user specified analog (current)
value. It is useful in testing the integrity of the current loop and ensures the system is functioning
correctly. With the DPI 610E Loop test method, the user can force an output current between
4 and 20 mA for normal transmitter operation or <3.6 mA and >21 mA to verify failure alarm
indication in the device.
To output a current:
Step 1
Select
Loop Test
from the
Service
Methods
screen.
In the
Loop Test
screen, select the
Edit
softkey.
