Configuration Instructions - Siemens Sinamics S120 Manual

P
max
4 x P
Table 8- 16 Duty cycles
6SE7018-0ES87-2DC0
Duty cycle P
max
A [s] 3
T [s] 90
8.3.9

Configuration instructions

DC link capacitance
When configuring the drive line-up, please note that only one Braking Module Booksize
Compact may be used per complete 500 µF DC link capacitance.
Table 8- 17
DC link capacitance in µF
900
2400
9800
DC link cable
In a two-row or distributed drive line-up, the DC links are connected to each other via a DC
link cable. When using a Braking Module Booksize Compact in the drive line-up, this cable
must not be longer than 10 m. In all cases, the DC link cable must have low impedance and
a cross-section of at least 10 mm
Parallel operation
During configuration of parallel operation for Braking Modules Booksize Compact,
dimensioning can only take 90% of the specified braking power into account. Only the peak
powers may be added without derating.
The following applies when connecting Braking Modules in parallel:
P
N total
4 x P
P
max total
Booksize Power Units
Manual, (GH2), 04/2014, 6SL3097-4AC00-0BP6
[W] peak power of braking resistor (6 x P
[W] = power permitted every 90 s for 20 s
N
6SE7021-6ES87-2DC0
Duty cycle 4 x P Duty cycle P
N
20 3
90 90
Configuration examples
= 0.9 x total P of single devices
N
= 0.9 x sum (4 x P
N total
= total P of single devices
max
)
N
Duty cycle 4 x P
max
20
90
Max. number of Braking Modules
1
4
19
.
2
) of single devices
N
DC link components
8.3 Braking Module Booksize Compact
6SE7023-2ES87-2DC0
Duty cycle P Duty cycle 4 x P
N max
3 20
90 90
N
543