Siemens SINAMICS S120 Manual page 332
Air-cooled chassis power units
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Also See for SINAMICS S120:
- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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DC link components
7.1 Braking Module
Layout
The Braking Module in the chassis format is inserted in a mounting location inside the Line
Module or Motor Module, whose fan force cools it. The supply voltage for the electronics is
drawn from the DC link. The Braking Module is connected to the DC link by means of the
busbar sets and flexible cables, which are supplied as standard.
The activation threshold of the Braking Module can be adjusted by means of a DIP switch. The
braking power values specified in the technical specifications apply to the upper activation
threshold.
The Braking Module has as standard, the following interfaces:
• The DC link is connected through busbars and flexible cables
• Connecting terminal for external braking resistor
• 1 digital input (inhibit Braking Module with high signal / acknowledge error with negative
edge high-low)
• 1 digital output (Braking Module inhibited)
• 1 DIP switch for adjusting the activation threshold
Note
Installing a Braking Module of frame size GX in a Basic Line Module of frame size GB or
GD
To install a frame size GX Braking Module in a frame size GB or GD Basic Line Module a cable
harness set is required, which is available under Article number 6SL3366-2NG00-0AA0.
330
Air-cooled chassis power units
Equipment Manual, 06/2020, 6SL3097-5AE00-0BP3
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