Siemens SIMODRIVE 611 digital Configuration Manual page 201

Aotewell Ltd
05.08
05.01
Direct connection
to line supplies
with selective
AC/DC- -sensitive
RCCBs
© Siemens AG 2008 All Rights Reserved
SIMODRIVE 611 Configuration Manual (PJU) - - 05/2008 Edition
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The SIMODRIVE unit may be directly connected to TN line supplies with selec-
tively tripping, AC/DC--sensitive RCCBs as protective measure.
Upstream devices providing protection against hazardous leakage currents or
for fire protection (such as residual--current protective devices) must be univer-
sal current--sensitive in accordance with the requirements of DIN EN 50178. In
the case of other residual--current protective devices, a transformer with sepa-
rate windings must be connected upstream of the converter for purposes of
decoupling.
Connection schematic with RCCB
Line
supply/transformer
for the factory
Residual- -current circ.
breaker (RCCB)
Fuses
Line filter
Commutating reactor(s)
Fig. 7-4 Residual- -current circuit- -breaker (RCCB) connection schematic
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.
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7 Line Supply Connection
7.2 Voltage matching
Selective
AC/DC- -sensitive
≁
PE
U1 V1 W1
NE module
Industry Automation
L3
L2
L1
PEN
7-201
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