KROHNE IFC 010 Converter Short EN - Manual (Page 9)

IFC 010 9
2.3 Connection diagrams for
outputs
DC voltage, external power source (U
ext
), note connection polarity
External voltage source (U
ext
), DC or AC voltage, connection polarity arbitrary
Current output Current output
I
active
I
passive
Active mode
The current output supplies the
power for operation of the
outputs.
Passive mode
External power source
required for operation of the
outputs.
I = 0/4 - 20 mA
I = 0/4 - 20 mA U
ext
15...20 V DC 20...32 V DC
R
i
≤ 500 Ω R
i
0...500 Ω 250...750 Ω
Pulse output P
passive
Pulse output P
active
for electronic or (and current output Iactive) for electronic (EC) totalizers with and
electromechanical without current output I
totalizers
U
ext
≤ 32 V DC/ ≤ 24 V AC U
int
≤ 15 V DC from current output
I
max
≤ 150 mA Operation with current output:
(incl. status output) I
max
≤ 3 mA
Operation without current output:
I
max
≤ 23 mA
15 V
R ≤
I
max
Status output S
passive
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 with current output
U
ext
≤ 32 V DC/ ≤ 24 V AC
I
max
≤ 150 mA
(incl. status output)
U
ext
U
ext
Load
Load