KROHNE IFC 300 Converter HART 0201 - Manual (Page 5)

Supplementary Handbook IFC 300 HART, FC375, AMS, PDM, DTM
In case the IFC 300's current output shall work continuously active a 'third wire' is needed to properly
connect it together with two-wire loop powered devices in the same network.
Multidrop Mode (‘three-wire’)
(Connecting two-wire and four-wire devices in the same network)
≥ 250 Ω
HART
two-wire
loop powered
devices
4 mA
4 mA
. . .
Addr. > 0 Addr. > 0
4 mA
. . .
four-wire
active
source
devices
4 mA
HART
Secondary Master
Primary Master
Power
Supply
HART
Modem
IFC 300
Addr. > 0
IFC 300
Addr. > 0
Terminal A (C)
Terminal A- (C-)
2 IDs and Revision numbers
The HART Device Descriptions described in this document have the following IDs and revision numbers:
Manufacturer ID:
69 (0x45)
Device Type: 227 (0xE3)
Device Revision: 2
DD Revision: 1
HART Universal Revision: 5
FC 375 System SW Rev.:
≥ 1.8
AMS Version:
≥ 6.0
PDM Version:
≥ 6.0
For information about Transmitter Revisions and related Device Descriptions refer to the KROHNE HART
Device List.
HART_Suppl_IFC300_V0201.DOC
04/2007
5/23