ELECTRICAL CONNECTIONS
4
67
IFC 300
www.krohne.com
06/2009 - 4000069802 - MA IFC 300 R03 en
Status output / limit switch passive, basic I/Os
•
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 stands for the terminals B, C or D. The functions of the connection terminals depend on the
settings refer to
Function tables
on page 91.
Control input passive, basic I/Os
•
8 V
≤
U
ext
≤
32 VDC
•
I
max
= 6.5 mA at U
ext
≤
24 VDC
I
max
= 8.2 mA at U
ext
≤
32 VDC
•
Set switching point for detection "Contact open or closed:
Contact open (off): U
0
≤
2.5 V with I
nom
= 0.4 mA
Contact closed (on): U
0
≥
8 V with I
nom
= 2.8 mA
•
Can also be set as a status output; for the electrical connection, see status output connection
diagram.
INFORMATION!
•
Any connection polarity.
Figure 4-28: Status output / limit switch passive S
p
Figure 4-29: Control input passive C
p
1
Signal
.book Page 67 Wednesday, June 10, 2009 4:20 PM