Configuration Instructions - Siemens SINAMICS S120 System Manual
High frequency drive
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Also See for SINAMICS S120:
- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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Braking Modules
7.1 Braking Module Booksize
Table 7-6
A [s]
T [s]
The following applies when connecting Braking Modules in parallel:
P
rated total
P
max total
7.1.9
Configuration instructions
DC link capacitance
To operate Braking Modules, a minimum capacitance of 440 µF is required in the DC link for each
Braking Module.
The capacitance of the Braking Module of 110 µF is included in the total capacitance value.
Note
Only the components that are connected to each other via the DC link busbar can be included
in the total capacitance.
DC link cable
In a multi-row or distributed drive line-up, the DC links are connected to each other via a DC link
cable. When using a Braking Module in the drive line-up, this cable must not be longer than
10 m. The DC link cable must be twisted and have a minimum cross-section of at least 10 mm
Parallel connection
The Braking Module Booksize Compact 6SL3400-1AE31-0AA. Is recommended for connecting
Braking Modules in series.
Connecting Braking Modules 6SL3100-1AE31-0A.. in parallel should be avoided, as it cannot be
guaranteed that the power will be evenly divided between the modules.
Note
When Braking Modules are connected in parallel, the DC link capacitance specified above must
be available for each Braking Module.
104
Duty cycles
6SN1113-1AA00-0DA0
Short duty cycle
0.1
11.5
= 0.9 x total P
of single devices
rated
= total P
of single devices
max
Long duty cycle
Short duty cycle
0.4
1
210
68
System Manual, 10/2020, 6SL3097-5AH10-0BP0
6SL3100-1BE31-0AA.
Long duty cycle
2
460
High Frequency Drive
.
2
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