KROHNE OPTISONIC 6300 EN - Manual (Page 54)

4
ELECTRICAL CONNECTIONS
54
OPTISONIC 6300
www.krohne.com 07/2009 - 4000263902 - HB OPTISONIC 6300 R03 en
4.6.3 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 4-29: 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 54 Tuesday, August 18, 2009 4:51 PM