Siemens SIPART Series Operating Instructions Manual page 247

1 binary input circuit
Binary input BE2: Terminals 11 and 12, terminals 21 and 22 (jumper)
•
Galvanically connected with the
•
basic device
Signal status 0
Signal status 1
Contact load
Electrically isolated from the basic
•
device
Signal status 0
Signal status 1
Internal resistance
Static destruction limit
•
Connecting to circuits with the
•
following peak values
Effective internal capacitance
Effective internal inductance
Galvanic isolation
Test voltage
SIPART PS2 with and without HART
Operating Instructions, 10/2013, A5E00074631-11
Without Ex protection/
with Ex protection Ex d
± 35 V
-
-
-
The three outputs, the BE2 input and the basic device are galvanically isolated
With Ex protection Ex "ia"
Floating contact, open
Floating contact, closed
3 V, 5 μA
≤ 4.5 V or open
≥ 13 V
≥ 25 kΩ
-
U = DC 25.2 V
i
C = negligibly small
i
L = negligibly small
i
from each other.
DC 840 V, 1 s
Technical data
12.8 Option modules
With Ex protection
Ex "ic", "nA", "t"
-
"ic":
U = DC 25.2 V
i
"n"/"t":
U ≤ DC 25.5 V
n
C = negligibly small
i
L = negligibly small
i
245