4
ELECTRICAL CONNECTIONS
72
IFC 300
www.krohne.com
06/2009 - 4000069802 - MA IFC 300 R03 en
Status output / limit switch active, modular I/Os
•
Observe connection polarity.
•
U
int
= 24 VDC
•
I
≤
20 mA
•
R
L
≤
47 k
Ω
•
open:
I
≤
0.05 mA
closed:
U
0, nom
= 24 V at I = 20 mA
•
X designates the connection terminals A, B or D, depending on the version of the signal
converter.
Status output / limit switch passive, modular I/Os
•
Any connection polarity.
•
U
ext
= 32 VDC
•
I
≤
100 mA
•
R
L, max
= 47 k
Ω
R
L, min
= (U
ext
- U
0
) / I
max
•
open:
I
≤
0.05 mA at U
ext
= 32 VDC
closed:
U
0, max
= 0.2 V at I
≤
10 mA
U
0, max
= 2 V at I
≤
100 mA
•
The output is open when the device is de-energized.
•
X designates the connection terminals A, B or D, depending on the version of the signal
converter.
Figure 4-35: Status output / limit switch active S
a
Figure 4-36: Status output / limit switch passive S
p
.book Page 72 Wednesday, June 10, 2009 4:20 PM
