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Rosemount Tank Radar REX
Chapter 14 Technical Data
14-2
Installation Manual
308014EN, Edition 4
May 2013
Field bus (Standard) TRL/2 Bus (FSK, half duplex, two
wires, galvanically isolated, 4800
Baud, Modbus based).
Field bus (Optional) Profibus
™
DP.
RS 485 Modbus.
Tiway
™
(only one relay available,
analog output not available).
Enraf
™
GPU (requires special field
bus modem, EBM).
Varec
™
(only one relay available,
analog output not available).
L&J
™
(only one relay available,
analog output not available).
Whessoe
™
(only one relay
available, analog output not
available).
GPE
™
(only one relay available,
analog output not available).
Sakura
™
(only one relay available,
analog output not available).
Foundation
™
Fieldbus H1, IS.
(For more information please
contact your sales representative)
14.1.1 Analog Inputs
Accuracy ± 20 μA
Input range 4-20 mA
Update rate 0.5 Hz
Low alarm level < 3.8 mA, configurable
High Alrm Level > 20.7 mA, configurable
U
max
from TIC 25.2 V
I
max
from TIC 96 mA
P
max
from TIC 0.6 W
Available voltage 13.7 V (at 20 mA)