X6 Braking Resistor Connection - Siemens SINAMICS S120 Manual

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
G/R+ external braking resistor
H/R external braking resistor
Protective conductor
Shield connection
Connection via
AWG
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
6SE7031-6ES87-2DC0
6SE7032-7ES87-2DC0
Booksize Power Units
Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8
Remarks
Busbar G/R+
Busbar H/R
Busbar PE
M6 bolts at bottom of housing
Cable lug without insulation (Page 732)
With shrink-on sleeve
Cable is connected using the supplied M8 x 25 screws
Max. 2/0
P in kW P
N 20
25 100
42.5 170
8.4 Braking units for 100 kW Basic Line Modules
16
16
16
8
in kW P in kW
max
150
255
DC link components
Tightening torque [Nm]
R in Ω
4
2.35
519