Energy Limitation Parameters For External Dsl - Siemens SITRANS FS230 Compact Operating Instructions

Terminals
C
o
•
•
L
o
•
•
Table 7-15
Terminals
U
i
I
i
P
i
C
i
L
i
Note
External capacitance and inductance
The C
capacitance and inductance. No further reduction of external capacitance and inductance is
required.
7.7

Energy limitation parameters for external DSL

Table 7-16
U
i
I
i
P
i
C
i
L
i
SITRANS FS230
Compact Operating Instructions, 05/2021, A5E38755607-AC
HART active
4, 5
Group IIC • 72 nF
Groups IIB, III • 639 nF
Group IIC • 1.64 mH
Groups IIB, III • 16.4 mH
I/O connections passive
HART pas‐
sive
5, 6
30 V DC
100 mA
1000 mW
15.8 nF
36 μH
and L values already take into consideration the combined effects of external
o o
Input parameters
SSL (power & signal)
17.42 V DC
459 mA
2.0 W
2.52 nF
315 nH
7.7 Energy limitation parameters for external DSL
Modbus I/O 2 active
4, 5, 6, 7 8, 9
• 4200 nF • 78 nF
• 1000 μF • 645 nF
• 2.51 mH • 1.46 mH
• 10.2 mH • 15.7 mH
I/O 2 pas‐ I/O 3 pas‐
sive sive
9, 10 12, 13
30 V DC 30 V DC
100 mA 100 mA
1000 mW 1000 mW
7.3 nF 7.3 nF
36 μH 36 μH
Technical specifications
I/O 3 active I/O 4 active
11, 12 14, 15
• 78 nF •
• 645 nF •
• 1.46 mH •
• 15.7 mH •
I/O 3 relay I/O 4 pas‐
sive
11, 12, 13 15, 16
30 V DC 30 V DC
100 mA 100 mA
1000 mW 1000 mW
7.3 nF 7.3 nF
36 μH 36 μH
Analog input I/O 5
Analog input I/O 6
30 V DC
100 mA
0.75 W
0 nF
105 nH
78 nF
645 nF
1.46 mH
15.7 mH
I/O 4 relay
14, 15, 16
30 V DC
100 mA
1000 mW
7.3 nF
36 μH
99