Siemens G120P Technical Manual page 46

Installing
5
EMC-compliant installation (examples)
46 | 98
Siemens
Building Technologies
1 2
F1 F2
G120P
Figure 21: Connection of IP20 devices
Item Designation
1
Cabinet
2
Metal partition
3
C-section mounting rail
4
Shield connection clamp
5
Shielding bus
6
Clamping rail
7
Strain relief rail
8
Motor cable (shielded)
9
Signal and control cables (shielded)
Using two examples, the following diagram shows the EMC-compliant installation
of the Power Module with and without shield plate.
You must use the shield plate to achieve EMC-compliant installation of devices in
frame sizes FSA to FSC.
The shield of the control cable must be attached to both the shield plate of the
Control Unit and the shield plate of the Power Module.
3
F3
4
G120P
5
11
6
7
10
8
Item Designation
10
Metal cable duct with partition
11
Connect cable shields continuously at
isolator switch
12
Monoblock
13
Metal cable gland
14
Supply air
15
Metal cable gland
16
Discharged air
17
Potential bonding
12 13
9
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14
15
16
17