KROHNE OPTISONIC 7300 EN - Manual (Page 53)

ELECTRICAL CONNECTIONS
4
53
OPTISONIC 7300
www.krohne.com 09/2012 - 4001102303 - MA OPTISONIC 7300 R03 en
Current input active, Ex i I/Os
• U
int, nom
= 20 VDC
• I ≤ 22 mA
• U
0, min
= 14 V at I ≤ 22 mA
• In the event of a short circuit, the voltage is cut off.
• X designates the connection terminals A or B, depending on the version of the signal
converter.
Current input passive, Ex i I/Os
• U
ext
≤ 32 VDC
• I ≤ 22 mA
• U
0, max
= 4 V at I ≤ 22 mA
• X designates the connection terminals A or B, depending on the version of the signal
converter.
Figure 4-29: Current input active IIn
a
1 Signal
2 2-wire transmitter (e.g. temperature)
Figure 4-30: Current input passive IIn
p
1 Signal
2 2-wire transmitter (e.g. temperature)