OPERATION
5
27
TT 51 SERIES
www.krohne.com
08/2015 - 4000754203 - MA TT 51 R03 en
5.1.2 Multi-drop connection (2-wire connection)
As a multipoint connection (Multidrop) with up to 63 devices in parallel (this transmitter or other
HART
®
devices).
The current outputs of the devices must be passive!
Burst mode is not supported.
1
Primary master
2
HART
®
modem
3
HART
®
signal
4
Other HART
®
devices or this transmitter (refer also to
7
)
5
Terminal 7
6
Terminal 6
7
Device with address > 0 and passive current output, connection of max. 63 devices (slaves)
8
Secondary Master
9
Power supply for devices (slaves) with passive current output
10
Load
≥
250
Ω
(Ohm)
MA_OPTITEMP_TT_51_en_150828_4000754203_R03.book Page 27 Friday, August 28, 2015 10:54 AM
