Siemens SM 321 Referenzhandbuch Seite 6

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Technical Data
Module-specific data
Type of protection
Test number
Voltages, currents, potentials
Rated load voltage of the L+ electronic components
Isolation
• between the channels and the backplane bus
• between the channels and load voltage L+
• between the channels
• between the backplane bus and load voltage L+
Permissible potential difference
• between the different circuits [Ex]
Insulation tested with
• Channels against backplane bus and load voltage L+
• Channels among one another
• Load voltage L+ against backplane bus
Current consumption
• from the backplane bus
• from the load voltage L+ (no load)
Power dissipation of the module
Safety data
Maximum values (per channel)
• 10 V
U
0
•
14.1 mA
I
0
• 33.7 mW
P
0
•
100 mH
L
0
• 3 μF
C
0
•
DC 60 V / AC 30 V
U
m
• 0 to + 60 °C
T
a
A5E00348721-03
II 3 (2) G Ex nA [ib] IIC T4
to EN 60079-0, EN 60079-11, EN 60079-15
KEMA 01ATEX1057 X
DC 24 V
Yes
Yes
Yes
Yes
DC 60 V / AC 30 V
AC 1500 V
AC 1500 V
DC 500 V
max. 80 mA
max. 50 mA
typically 1.1 W
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