Manual
Supplementary Installation and Operating Instructions IFC 300 HART
HC275, FC375, AMS, PDM, FDT DTM
b) As a multipoint connection (multidrop) with up to 15 devices (IFC 300 or other HART® equipment) in parallel. The
instrument's current outputs must be passive.
Multidrop Mode
Power
Supply
≥ 250 Ω
HART
Modem
HART
Primary Master
Secondary Master Up to 15
Slaves
. . .
4 mA 4 mA
IFC 300
Addr. > 0
(passive current output)
IFC 300
Addr. > 0
(passive current output)
. . .
Terminal A (C)
Terminal A- (C-)
KROHNE Messtechnik GmbH & Co. KG · Ludwig-Krohne-Str. 5 D-47058 Duisburg 4/20
Tel.: 0203-301 0 Fax: 0203-301 389 · e-mail: krohne@krohne.de