Copyright 2013 Baker Hughes Company.
78 | DPI
620G Instruction Manual–English
Chapter
9.
HART® Operations
In the example that follows, the Druck DPI
620 Genii supplies the loop power and a 250
Ω
HART® resistor.
Figure
9
-
1: HART® Device Connection with Loop Power
9.3.2 External Loop Power
In the example that follows, there is an external power supply. Measure current on CH2 without
24
V loop power.
HART® function is enabled and 250
Ω resistor is enabled.
Figure
9
-
2: HART® Device Connection on CH2