7.1 Line Supply Connection Conditions For Line Supply Infeed - Siemens Simodrive 611 Configuration Manual

7 Line Supply Connection

7.1 Line supply connection conditions for line supply infeed

Recommendation
7-200
Note
If a fault current protective device is used on the line supply side of this
electronic device for protection in case of direct or indirect contact, only Type B
is permitted! Otherwise, another protection measure must be applied, such as
separating the electronic device from the environment through
double/reinforced insulation or separating the electronic device from the line
supply through a transformer.
Note
Points to bear in mind:
S
It is only permissible to use a delayed–tripping, (selective) AC/DC
current–sensitive residual–current protective device (RCCB) (connection as
shown in Fig. 7-1).
S
Parts of the electrical equipment and machine that can be touched are
integrated in a protective grounding system.
S
It is not possible to connect RCCBs in series in order to implement selective
tripping.
S
The max. permissible ground resistance of the "selective protection device"
must be observed (83 Ω max. for RCCBs with a rated differential current I
= 0.3 A).
S
The total length of the shielded power cables used in the drive group (motor
cable, incl. supply cables from supply system filters to the NE connection
terminals) is less than 350/500 m for sinusoidal/squarewave current.
S
Operation is only permitted with line filters. Only the line filters described in
Chapter 7 may be used.
Notice
The currently widely established AC or pulse–current sensitive Type A are
definitely not suitable!
For selective, AC/DC-sensitive residual-current protective devices offered by
Siemens that comply with DIN VDE 0100 T480 and EN 50178, i.e. Series 5SM3
646–4 short-time delayed or Series 5SM3 646–5 selective with auxiliary discon-
nector (1 NC/1 NO) for rated current of 63 A, rated fault current I
Catalog "BETA Modular Installation Devices–ETB1")
SIMODRIVE 611 Configuration Manual (PJU) – 02/2012 Edition
= 0.3 A, see
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