GE Druck DPI 620-IS User Manual page 71

Self-test
Analog trim (D/A trim)
[EN] English - K0460
To confirm that the transmitter is functioning
•
correctly, navigate through the menus to the
self-test method button:
Press the self-test button.
•
Press OK and the self-test executes.
•
L To confirm that the transmitter is functioning
•
o correctly navigate through the menus to the
o loop test button:
p
Press the loop test button.
•
• Press OK and the loop test executes.
t
e
• The loop test can be put into various modes,
s
typically 4 mA and 20 mA should be selected.
t
The Analogue value of Primary Variable mA
.
current (actual calibrated value) of the
transmitter can be seen by selecting the CH2
drop-down box. If this value needs adjusting
then use the analogue trim (sometimes referred
to as D/A trim) in the calibration menu.
Using the DPI 620-IS, an analogue trim can be performed on
•
the 4 to 20 mA loop without having to connect any external
reference meters.
Navigate to the calibration folder and select the D/A trim
•
method. Follow the on-screen instructions.
Issue 1
®
HART device operations 8-5