KROHNE OPTISONIC 7300 EN - Manual (Page 48)

4
ELECTRICAL CONNECTIONS
48
OPTISONIC 7300
www.krohne.com 09/2012 - 4001102303 - MA OPTISONIC 7300 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 4-22: Current input active IIn
a
1 Signal
2 2-wire transmitter (e.g. temperature)
Figure 4-23: Current input passive IIn
p
1 Signal
2 2-wire transmitter (e.g. temperature)