KROHNE MFC 400 EN - Manual (Page 55)

ELECTRICAL CONNECTIONS
4
55
MFC 400
www.krohne.com 08/2013 - 4002075802 - MA MFC 400 R02 en
4.10.6 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 and Ex i E/A, only the output module for the connection terminals C/C- has
HART
® capability.
Figure 4-27: 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 55 Monday, August 26, 2013 9:05 AM