Siemens SED2 Commissioning Manual page 15

IP54: Example of EMC-compatible installation and wiring of SED2
Control cabinet
Metal partition
BMS
F1
I/O modules
Connection
terminals
#
For the use of plastic or metal cable glands, refer to subsections 5.1.2 and 5.1.3
IP20: Example of EMC-compatible installation and wiring of SED2 without gland plates
Control cabinet
BMS
I/O modules
Siemens
Building Technologies
Supply air
F2
SED2 / IP54
Connection and
potential
equalization rail
Strain
relief rail
*
Metal partition
F1 F2 F3
SED2 SED2
Extractair Supply air
Shield rail
Connection and
potential
equalization rail
Strain relief rail
min. 16 mm
Commissioning Guide
4 EMC-compatible installation of SED2
SED2 / IP54
Metal
cable gland
#
Cable
glands
Shielded cables
C-profile rail
Grounding clamp
for shielding
Service switch
Cable shielding
continous!
Metal cable duct
with partition
Signal- and
control cables shielded
Motor cables shielded
2
Monoblock
Supply air
cable shielding
continous
Potential
equalization
Monoblock
Metal cable gland
Supply air
Metal cable gland
Extract air
Potential-
equalization
min. 16 mm
2
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