Siemens 6SN1123-1AA00-0DA2 Configuration Manual page 337

9 Cabinet Design and EMC
9.1 Installation and connecting–up regulations
Mounting in the
electrical cabinet
Connection
cable shield
!
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The line filter must be located in the same cabinet field close to the NE mod-
ules; the cable (shielded above 1 m) connecting the line filter to the NE module
should be kept as short as possible. The incoming and outgoing cables to/from
the line filter must be routed separately from one another.
Recommended configuration, refer to Fig. 9-1.
Note
If the system is subject to a high–voltage test using AC voltage, a line filter
must be disconnected in order to obtain a correct measurement result.
A permanent strain relief for the cables must be present. These cables must not
pass strain forces to the cable shielding!
Shield connecting plates with a clamp connection are provided on the NE and
PM modules to connect the shields of shielded powered cables; mounting loca-
tions are also provided for brake terminals (Order No., refer to Table 9-1. Also
refer to the dimension drawing "EMC measures", Chapter 12).
Table 9-1 Order Nos. for the shield connecting plates
Module width [mm]
50
100
150
200
300
300 for fan/hose
If the motor is equipped with a brake, then the shield of the brake feeder cable
must be connected at both ends to the shield of the power cable.
If there is no possibility of connecting a shield on the motor side, a gland must
be incorporated in the terminal box with the possibility of establishing a shield–
motor connection through the largest possible surface area.
Warning
Cable shields and cores/conductors of power cables which are not used, e.g.
brake conductors, must be connected to PE potential in order to discharge
charges arising from capacitive coupling.
Non–observance can cause lethal shock voltages.
SIMODRIVE 611 Configuration Manual (PJU) – 02/2012 Edition
Shield connecting plate for modules with
internal cooling
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© Siemens AG 2012 All Rights Reserved
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