Siemens 6RA8085-6DS22

Connecting
6.9 Assignment of terminals and connectors
SINAMICS DCM DC Converter
172 Operating Instructions, 12/2018, A5E34763375A
6.9.2
Field circuit
Table 6- 26 Terminal type, field circuit connections
Devices with "15/30 A power unit" and
devices with "10 to 30 A field module" (the terminals are located on the module):
Type
ZFKDS 4-10 PC board terminal
Connection capacity Rigid/flexible/conductor sizes (mm
2
/mm
2
/AWG): 0.2 - 6 / 0.2 - 4 / 24 - 10
flexible with ferrule with/without plastic sleeve: 0.25 - 4 / 0.25 - 4 mm
2
Stripped length
10 mm
Devices with "field supply power unit" with rated armature DC current = 900 - 1,200 A:
Type
20E/4DS terminal strip
Connection capacity
Rigid/flexible (mm
2
/mm
2
): 6 - 16 / 6 - 10
Stripped length
8 mm
Tightening torque
1.5 Nm
Devices with "field supply power unit" with rated armature DC current = 1,500 - 3,000 A:
Type
UK16N terminal block
Connection capacity Rigid/conductor sizes (mm
2
/AWG): 2.5 - 25 / 14 - 4
Flexible/conductor sizes (mm
2
/AWG): 4 - 16 / 12 - 6
Stripped length
11 mm
Tightening torque
1.5 - 1.8 Nm
Devices with option L85 (with rated field DC current = 85 A):
Type
UK35 terminal block
Connection capacity Rigid/flexible/conductor sizes (mm²/mm²/AWG): 0.75 - 50 / 0.75 - 35 / 18 - 0/1
Flexible with ferrule with/without plastic sleeve: 0.75 - 35 / 0.75 - 35 mm
2
Stripped length 16 mm
Tightening torque
3.2 - 3.7 Nm
Table 6- 27 Assignment of the connections for the field circuit
Terminal
Function
Technical specifications
XF_1-1: 3U1
XF_1-2: 3W1
Line connection 2 AC 400 V (-20%), 2 AC 480 V (+10%)
XF_2-1: 3D
XF_2-2: 3C
Field winding connection 325/373 rated V DC voltage
with 2-ph. 400/480 V AC line connection