KROHNE OPTISONIC 6400, Руководство пользователя

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4
ELECTRICAL CONNECTIONS
48
OPTISONIC 6400
www.krohne.com 08/2011 - 4000972602 - MA OPTISONIC 6400 R02 en
Current input active
• U
int, nom
= 15 VDC
• I
≤
22 mA
• I
max
≤
26 mA (electronically limited)
• U
0, min
= 19 V at I
≤
22 mA
• no
no no
no HART
®
• Not galvanically isolated
• X designates the connection terminals A or B, depending on the version of the signal
converter.
HART
®
connection active (point-to-point)
The parallel resistance to the HART
®
communicator must be R
≥
370
Ω
.
Figure 4-10: Current input active IIn
a
1
Signal
2
2-wire transmitter (e.g. temperature)
Figure 4-11: HART
®
connection active (I
a
)
1 HART
®
communicator