4
ELECTRICAL CONNECTIONS
82
IFC 300
www.krohne.com
06/2009 - 4000069802 - MA IFC 300 R03 en
4.11.6 HART
®
connection
HART
®
connection active (point-to-point)
The parallel resistance to the HART
®
communicator must be R
≥
230
Ω
.
INFORMATION!
•
In the basic I/O the current output at connection terminals A+/A-/A always has HART
®
capability.
•
For modular I/O, only the current output module for the connection terminals has C/C-HART
®
capability.
Figure 4-50: HART
®
connection active (I
a
)
1
Basic I/O: terminals A and A+
2
Modular I/O: terminals C- and C
3
HART
®
communicator
.book Page 82 Wednesday, June 10, 2009 4:20 PM