Main Circuit Interfaces - Siemens SINUMERIK 808D ADVANCED Commissioning Manual

4.4.3

Main circuit interfaces

Main circuit interfaces (drive side)
Type Illustration
Line supply FSA:
input interface
Motor power
interface
Inter-
nal/external
braking resistor
interface
1)
Grounding
connector
Screw types and recommended tightening torques:
FSA: M2.5 screws (0.4 Nm to 0.5 Nm)
•
FSB/FSC: M4 screws (2.25 Nm)
•
FSD: M5 screws (2.35 Nm)
•
Recommended minimum cross-section of the line supply cable:
V70 feed drive:
•
– FSA: 1.5 mm
2
– FSB/FSC: 2.5 mm
V70 spindle drive:
•
– FSB: 2.5 mm
2
– FSC: 4 mm
2
– FSD: 16 mm
2
For more information about how to assemble the terminals for the line supply cable, see Section "Assembling the line sup-
ply terminal for the drive (Page 483)".
The internal braking resistor is available only with the SINAMICS V70 feed drive.
1)
For SINAMICS V70 feed drives, DCP is connected to R2 at the factory with a short-circuit stick.
2)
112
FSB/FSC:
2
Signal
FSD: Line phase L1
Line phase L2
Line phase L3
PE (protective earth,
for FSD only)
Motor phase U
Motor phase V
Motor phase W
PE (For FSD only)
DCP (DC positive)
R2 (resistor 2)
R1 (resistor 1)
DCP
PB (power brake)
DCN (DC negative)
PE
Description
For connecting to the 3 phase
380 VAC to 480 VAC power
supply
V70 feed drive: for con-
•
necting to the SIMOTICS
S-1FL6 motor
V70 spindle drive: for
•
connecting to the
SIMOTICS M-1PH1 main
motor
For connecting to an external
braking resistor, available on
V70 feed drive and V70 spin-
dle drive FSB/FSC
For connecting to an external
braking resistor, available on
V70 spindle drive FSD
For connecting the power
supply grounding connector
and the servo motor ground-
ing connector
Commissioning Manual
01/2017