KROHNE OPTISONIC 6300 EN - Manual (Page 40)

4
ELECTRICAL CONNECTIONS
40
OPTISONIC 6300
www.krohne.com 07/2009 - 4000263902 - HB OPTISONIC 6300 R03 en
4.5.2 Basic inputs/outputs
Current output active (HART ® ), basic I/Os
• U
int,nom
= 24 VDC nominal
• I ≤ 22 mA
• R
L
≤ 1 kΩ
Current output passive (HART ® ), basic I/Os
• U
int,nom
= 24 VDC nominal
• U
ext
≤ 32 VDC
• I ≤ 22 mA
• U
0
≥ 1.8
• R
L
≤ (U
ext
- U
0
) / I
max
CAUTION!
Observe connection polarity.
Figure 4-11: Current output active I
a
Figure 4-12: Current output passive I
p
.book Page 40 Tuesday, August 18, 2009 4:51 PM