Installation
FlexLine
33
HART
/i
/i
Topology
A maximum of 5 devices can be connected to the HART connection.
Cable specifications
Type
Twisted pair, shielded. R
max
= 25
ȍ
/ line
Maximum length
1000 meter
Label
Parameters
24. V_Loop
[Ex ia] IIB
U
o
= 23,1 V
I
o
= 124 mA
P
o
= 0.6 W
C
o
=1.0 µF
L
o
= 9 mH
25. GND_Loop
Caution!
Before connecting the HART devices:
Check if the sum of the start up currents fits the parameters.