User Manual
Druck DPI620G-IS
22 Feb 2017
116M5464 Revision A
Page 126 of 248
6.15
Failed to find Device
Fault Possible
Cause
Action
Failed
to find
device
Power
Supply
Check device is turned on.
Check applicable fuses.
Check the supply voltage is within limits.
Device under
test
Check device is HART® compatible.
Connect multiple devices one at a time.
Circuit
Check circuit connections.
Check circuit Continuity.
Check correct polarity of supply to the
transmitter.
Check the HART® resistor is in the correct
place in the loop.
Check the HART® resistor has the correct
value.
Check the loop current is in the range
3.5mA to 24mA.
Druck
DPI620G-IS
Check the Druck DPI620G-IS is connected
to the correct points in the loop.
No external HART® resistor present, check
the internal resistor setting.
External HART® resistor present, check the
DPI620G-IS resistor setting is OFF.
Check that the CH 2 function is set to
‘NONE’ if the Druck DPI620G-IS is used
as a secondary master (in parallel with
an external supply.
Preferences
Select the ‘search 0-63’ option to scan all
possible Poll Addresses to get the Poll
Address and Tag details of the
connected device.
