[EN] English - K0460 HART
®
device operations 8-7
Issue 1
Preferences • Selecting the icon allows the changing of the poll address,
short tag or long tag of the transmitter. The DPI 620-IS is set by
default to use Poll Address 0 (zero) only. This can be changed
by selecting the appropriate search radio button or by entering
the tag name in the search field.
8.3 HART
®
Connections
Examine the power supply connections for the transmitter before
connecting the HART
®
transmitter to the DPI 620-IS calibrator.
8.3.1 Power supply from
the calibrator
In this example, the DPI 620-IS calibrator supplies the loop power
and a 250Ω HART
®
resistor.
1. Set the functions for channel 2 and HART
®
:
Measure current on
channel 2 (CH2) with
24V loop power
Range: ±55 mA
HART
®
Function is set
250Ω resistor is set
e1
a
b
d
c
Set HART
Section 2.8.4
Set Current (24V); Measure
Section 2.8.4
Home display
TAP
Please note that the current
measured on Channel 2 for a
HART device should normally be
between 4 and 20 mA.
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