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Siemens D 21.4 · 2017
SINAMICS S120 drive system
Booksize format
Braking Module in booksize compact format
7
■
Integration
Connection example of Braking Module in booksize compact format
=
=
„0 V“ = prewarning
I
x
t
-shutdown
DO,
Max. cable length: 10 m (32.8 ft)
DC link busbars
24 V DC busbars
G_D211_EN_00270
„0 V“ = fault/Braking Module inhibited
DO,
DI, DC link fast discharge
DI, inhibit Braking Module
Selection
- Activation threshold
- Braking resistor with/without
- temperature switch
- Cooling method
Selected activation
threshold
High: 410 V DC
Low: 775 V DC
Braking resistor
2
M
M
Braking Module
DCP
DCN
+
M
DCP
DCN
+
M
X21
S1
R2
DO Vop
T2
T1
R1
5
2
1
1
2
6
5
1
2
3
4
X22
X1
© Siemens AG 2017