Siemens SINAMICS S120 Combi - Characteristic Curves

DC link components
7.2 Braking Module Booksize
SINAMICS S120 Combi
Manual, 11/2017, 6SL3097-4AV00-0BP7
175
6SL3100-1AE31-0AB.
Electronics power supply
V
DC
24 (20.4 … 28.8)
Electronics current drawn (at 24 V DC) A
DC
0.5
Current carrying capacity
DC link busbars
24 V busbars
A
DC
A
DC
100
20
Braking power
Max.
Continuous braking power
kW
kW
100
1.5
Power loss
(see power loss tables (Page 300))
W 20
Cooling method
Natural convection
Weight
kg
4.1
7.2.8.1
Characteristic curves
Duty cycle for braking resistors without a thermostatic switch
Figure 7-11 Duty cycle for braking resistors without a thermostatic switch
T [s] time period of braking duty cycle
A [s] load duration
P
N
[W] rated power (continuous power) of braking resistor
P
max
[W] peak power of braking resistor (6 x P
N
)
Table 7- 12 Duty cycles
6SN1113–1AA00–0DA0
6SL3100–1BE31–0AA.
Short duty cycle
Long duty cycle
Short duty cycle
Long duty cycle
A [s]
0.1
0.4
1
2
T [s]
11.5
210
68
460
The following applies when connecting Braking Modules in parallel:
P
N total
= 0.9 x total P
N
of single devices
P
max total
= total P
max
of single devices