Owner's manual
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
Supplementary Installation and Operating Instructions UFC 030 HART
HC275, FC375, AMS, PDM
b) As a multipoint connection (multidrop) with up to 15 devices (UFC 030 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
UFC 030
Addr. > 0
(passive Current Output)
UFC 030
Addr. > 0
(passive Current Output)
. . .
Terminal I/C
Terminal ⊥