Siemens SIPART Series Operating Instructions Manual page 251

12.8.5 EMC filter module
EMC filter module type C73451-A430-L8 is required for NCS sensor or an external potentiometer.
External position sensor (potentiometer or NCS; option) with the following maximum values
Resistance of the external potentiometer
Maximum values when powered by the
PROFIBUS basic device
Maximum values when powered by other
basic devices
Galvanic isolation
Test voltage
SIPART PS2 with and without HART
Operating Instructions, 10/2013, A5E00074631-11
Without Ex protection With Ex protection Ex ia
- U
I
o
I
o
P
- U
I
o
P
C
L
o
Galvanically connected with the basic device
10 kΩ
= 5 V
o
= 75 mA static
= 160 mA short-term
= 120 mW
o
= 5 V
o
= 100 mA
= 33 mW
o
= 1 μF
o
= 1 mH
DC 840 V, 1 s
Technical data
12.8 Option modules
With Ex protection
Ex "ic", "nA", "t"
U = 5 V
o
I = 75 mA
o
P = 120 mW
o
U = 5 V
o
I = 75 mA
o
P = 120 mW
o
C = 1 μF
o
L = 1 mH
o
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