Siemens SINAMICS S120 User Manual

DC link components
8.4 Braking units for 100 kW Basic Line Modules
Booksize Power Units
Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8
519
Note
After the DC link voltage is applied, fault output
-X38/5 is "low" for approx. 2 seconds (self-
test), i.e. in the "fault" state. The Control Unit must suppress this state when the system is
switched on.
8.4.3.2
X6 braking resistor connection
Table 8- 19 X6: Connection for the braking resistor
Connection/Meaning
Remarks
Tightening torque [Nm]
G/R+ external braking resistor
Busbar G/R+
16
H/R external braking resistor
Busbar H/R
16
Protective conductor
Busbar PE
16
Shield connection
M6 bolts at bottom of housing
8
Connection via Cable lug without insulation (Page 732)
With shrink-on sleeve
Cable is connected using the supplied M8 x 25 screws
AWG
Max. 2/0
Note
The cable length between the braking unit and the braking resistor is limited to 15
m.
The following braking resistors are suitable for connecting to the MASTERDRIVES braking
unit:
Table 8- 20 Braking resistors for MASTERDRIVES braking unit
Braking resistor
P
N
in kW
P
20
in kW
P
max
in kW
R in Ω
6SE7031-6ES87-2DC0
25
100
150
4
6SE7032-7ES87-2DC0 42.5 170 255 2.35

Siemens SINAMICS S120 Specifications

General

Brand	Siemens
Model	SINAMICS S120
Category	DC Drives
Language	English