2/4
Installation and operating instructions
IFC 020
U
ext
≤
30 V DC/
≤
24 V AC
I
max
≤
6 mA
8
7
Control input E
passive
(
IFC 020 E
only)
RS 485 Interface
For connection and
operation of the
Krohne RS 485
Interface,
see Section 6.2.
6
5
Status output S
passive
U
ext
≤
30 V DC/
≤
24 V AC
I
max
≤
150 mA
(incl. pulse output P)
Status output S
active
with
and
without
current output I
U
int
≤
15 V DC
from current output
I
max
≤
3 mA
Operation
with
current output
I
max
≤
23 mA
Operation
without
current output
Load
Load