4
ELECTRICAL CONNECTIONS
38
IFC 050
www.krohne.com
09/2016 - 4002184003 - MA IFC 050 R03 en
4.11.3 Basic and Modbus outputs
Current output active (HART
®
)
•
U
int, nom
= 20 VDC
•
I
≤
22 mA
•
R
L
≤
750
Ω
•
HART
®
at connection terminals A
Current output passive (HART
®
)
•
U
ext
≤
32 VDC
•
I
≤
22 mA
•
U
0
≤
2 V at I = 22 mA
•
R
L, max
= (U
ext
- U
0
) / I
max
•
HART
®
at connection terminals A
CAUTION!
Observe connection polarity.
INFORMATION!
For further information refer to Description of the inputs and outputs on page 32
and refer to
HART
®
connection on page 42
.
Figure 4-13: Current output active I
a
Figure 4-14: Current output passive I
p
