Siemens SINAMICS S120 Combi - Page 281

Cabinet design and EMC
12.4 24 V DC supply
SINAMICS S120 Combi
Manual, 11/2017, 6SL3097-4AV00-0BP7
281
Component
Typical current consumption [A
DC
]
S120 Combi 3 axes Power Module
16 kW / 18 A / 5 A / 5 A 1.5
16 kW / 24 A / 9 A / 9 A
1.5
20 kW / 30 A / 9 A / 9 A 1.5
S120 Combi 4 axes Power Module
10 kW / 24 A / 12 A / 12 A / 12 A
1.6
16 kW / 18 A / 9 A / 5 A / 5 A
1.6
16 kW / 24 A / 9 A / 9 A / 9 A
1.6
20 kW / 30 A / 12 A / 9 A / 9 A
1.6
DRIVE-CLiQ and brake
DRIVE-CLiQ (e.g. motors with DRIVE-CLiQ interface)
0.19
Brake (e.g. motor holding brake)
Max. 1
Single Motor Modules Booksize Compact
3 A (+1 x DRIVE–CLiQ; +1 x brake)
0.75
5 A (+1 x DRIVE–CLiQ; +1 x brake)
0.75
9 A (+1 x DRIVE–CLiQ; +1 x brake)
0.75
18 A (+1 x DRIVE–CLiQ; +1 x brake)
0.75
Double Motor Modules Booksize Compact
2 x 1.7 A (+2 x DRIVE–CLiQ; +2 x brake)
1
2 x 3 A (+2 x DRIVE–CLiQ; +2 x brake)
1
2 x 5 A (+2 x DRIVE–CLiQ; +2 x brake) 1
External fan unit
0.8
Braking Module
0.5
Motor encoder
0.25
Example: calculating 24 V DC current requirements
Table 12- 3 Example of 24 V DC current requirements
Component
Number
Current consumption
[A]
Total current consumption
[A]
SINUMERIK 828D 1 2.5 2.5
S120 Combi 4 axes Power
Module with external fan unit
1 2.4 2.4
Motor Module 9 A
1
0.75
0.75
Motor Module 18 A
1
0.75
0.75
Motor encoder
6
0.25
1.50
Brake
1
1
1
Total:
8.9