OPERATION
5
25
OPTITEMP TT 53 C/R
www.krohne.com
06/2018 - 4006523501 - MA OPTITEMP TT 53 R01 en
5.4 Multi-drop 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!
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)
