Siemens Simodrive 611 Configuration Manual page 322

05.01
Schematic diagram
Connection
1)
e.g. overvoltage
limiting module (this
is mandatory for UL)
Filter (X kW)
F (T10 A)
N
L1
L2
L3
1)
Filter (X kW)
F (X A) L
N
K
L1
L2
L3
PE
Consequences when incorrectly connected to the line supply:
1) Arcing with respect to PE in the power supply
Refer to the use of HF/HFD commutating reactor to prevent system oscillations in Chapter 6.5.
Consequences when the system oscillates: Burned overvoltage limiting module
2)/3)/4):
S
More than four monitoring modules:
S
Additional loads:
Consequence: Burnt PC board tracks on the line infeed module (NE module) power supply
Fig. 8-38 Additional examples for frequent faults/mistakes when connecting to the line supply
© Siemens AG 2012 All Rights Reserved
SIMODRIVE 611 Configuration Manual (PJU) – 02/2012 Edition
8.15 Examples of correctly and incorrectly connecting NE
Incorrect!
NE e.g. NCU PMxx
X181
M500
P500
2U1
1U1
2V1
1V1
2W1
1W1
Twisted
cable
P600
M600
U1 V1 W1 PE
24 V DC
8 Important Circuit Information
PMxx MM PMxx
X181
M500
P500
2U1
1U1
2V1
1V1
2W1
1W1
e.g.
SITOP
20 A
e.g.
2)
M
3
3)
4)
+ MM 5
+ MM 6
+ MM 7
+ MM 3 /
+ MM 4
8
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