4
ELECTRICAL CONNECTIONS
76
IFC 300
www.krohne.com
06/2009 - 4000069802 - MA IFC 300 R03 en
Current input active, modular I/Os
•
U
int, nom
= 24 VDC
•
I
≤
22 mA
•
I
max
≤
26 mA (electronically limited)
•
U
0, min
= 19 V at I
≤
22 mA
•
no
no
no
no HART
•
X designates the connection terminals A or B, depending on the version of the signal
converter.
Current input passive, modular I/Os
•
U
ext
≤
32 VDC
•
I
≤
22 mA
•
I
max
≤
26 mA
•
U
0, max
= 5 V at I
≤
22 mA
•
X designates the connection terminals A or B, depending on the version of the signal
converter.
Figure 4-41: Current input active IIn
a
1
Signal
2
2-wire transmitter (e.g. temperature)
Figure 4-42: Current input passive IIn
p
1
Signal
2
2-wire transmitter (e.g. temperature)
.book Page 76 Wednesday, June 10, 2009 4:20 PM
