Siemens SIPART PS2 Service Manual page 49

For connecting to
•
circuits with the fol-
lowing peak values
Effective internal ca-
pacitance
Effective internal in-
ductance
Electrical isolation
Test Voltage
PS2 Troubleshooting Guide
Service Manual, 03/2017, A5E36661550-AA
Basic device Basic device
without Ex protection with Ex d explosion
protection
-
-
-
Electrically isolated from the alarm option and safely isolated from the basic device
4.4 4 to 20 mA Feedback Module (Iy Module)
Basic device
with "ia" explosion
protection
U = 30 V
i
I = 100 mA
i
P = 1 W
i
C = 11 nF
i
L = negligibly small
i
840 V DC, 1 s
Wiring
Basic device with
explosion protection
"ic", "nA", "t"
"ic":
U = 30 V
i
I = 100 mA
i
"nA" / "t":
U ≤ 30 V, I ≤ 100 mA
n n
P ≤ 1 W
n
C = 11 nF
i
L = negligibly small
i
47