ELECTRICAL CONNECTIONS
4
75
IFC 300
www.krohne.com
06/2009 - 4000069802 - MA IFC 300 R03 en
Control input active C
N
NAMUR, modular I/Os
•
Connection in conformity with EN 60947-5-6
•
Set switching point for detection "Contact open or closed:
Contact open (off): U
0, nom
= 6.3 V with I
nom
< 1.9 mA
Contact closed (on): U
0, nom
= 6.3 V with I
nom
> 1.9 mA
•
Detection of cable break:
U
0
≥
8.1 V with I
≤
0.1 mA
•
Detection of cable short circuit:
U
0
≤
1.2 V with I
≥
6.7 mA
•
X designates the connection terminals A or B, depending on the version of the signal
converter.
CAUTION!
Observe connection polarity.
Figure 4-40: Control input active C
N
to NAMUR EN 60947-5-6
.book Page 75 Wednesday, June 10, 2009 4:20 PM
