Commissioning Manual
32 6FC5397-4EP10-0BA8, 07/2018
External 24 VDC power supply
A 24 VDC power supply is used to supply the 808D ADVANCED and V70 servo drive. Consider the following technical
specification requirements when selecting a 24 VDC power supply:
● 24 VDC supplying the SINUMERIK 808D ADVANCED:
– Rated input voltage: 24 V
– Max. input voltage: 28.8 V
– Min. input voltage without output derating: 20.4 V
– Rated input current: 2.25 A
● 24 VDC supplying the SINAMICS V70 drive:
1)
1)
The minimum voltage of 24 VDC -10% must be available at the connector on the motor side in order to guarantee
that the brake reliably opens. If the maximum voltage of 24 VDC +10% is exceeded, then the brake could re-close.
The voltage drop along the brake feeder cable must be taken into consideration. The voltage drop ΔU for copper ca-
bles can be approximately calculated as follows:
ΔU [V] = 0.042 ∙ (l/q) ∙ I
Brake
Where: l = Cable length [m], q = Brake core cross section [mm
2
Brake
= DC current of brake [A]
Fuse/Type E combination motor controllers and circuit breakers
The fuse/Type E combination motor controller or circuit breaker is used to protect the control system.
Type E combination motor controller (for all
feed drives and spindle drive FSB)
Circuit breakers (for spindle drives FSC and
FSD only)
Feed
drive
FSA
6SL3210-5DE13-5UA0 10 3NA3803 3.5 to 5 690 3RV2021-1FA10
FSB
14 to 20 690 3RV2021-4BA10
FSC
20 to 25 690 3RV2021-4DA10
Spindle
drive
FSC 6SL3210-5DE21-3UA0 32 3NA3812 30 690 3VL1103-
6SL3210-5DE22-0UA0 40 3NA3817 40 690 3VL1104-
FSD 6SL3210-5DE23-0UA0 63 3NA3822 60 600 3VL1106-
6SL3210-5DE24-0UA0 80 3NA3824 80 600 3VL1108-
Note: The above types of fuses and Type E combination motor controllers are compliant with the CE standard.
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