SIEMENS
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Siemens D 21.4 · 2017
SINAMICS S120 drive system
Chassis format
Liquid-cooled Active Interface Modules in chassis format
7
■
Integration
Connection example of liquid-cooled Active Interface Module with external bypass contactor
Voltage
Sensing Module
Cooling circuit
Cooling circuit
Cooling circuit
Active
Interface
Module
to the
Active
Line
Module
Pre-charging contactor
DRIVE-CLiQ socket
External
24 V DC
External
230 V AC
Control
pre-charging contactor
Filter module
Filter reactor
Control
bypass contactor / fan
Contactors open
Bypass contactor
G_D211_EN_00315a
Main switch
Control via Active Line Module
With line SCCR > 40 kA: SITOR 3NE3 231 (350 A)
1)
P24
-X609
M
M
P24
-X1
-K4
U1 V1
W1
PE
N
L
1)
2)
2/T1
4/T2
6/T3
L2
L3
PE
L1
U1
V1
W1
PE
U2
V2
W2
PE
P7
P5
P6
P4
P3
P1
3
2
1
PE
7
6
5
4
11
10
9
8
14
13
12
READY
LED
X520
5
6
X500
1
2
X1
1)
2)
3NE1 021-0
(100 A)
© Siemens AG 2017