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7.2.1
Electrical connection
Connection to the DC link busbars
The SITOP PSU400M is connected to the DC link via the "+" and "-" terminals using a DC link
adapter.
Table 7-2
INPUT DC: Input-side connection of the SITOP PSU400M at the DC link
INOUT DC
Terminal
Technical specifications
+ positive
Screw terminals:
DC inputs "+" and "-", PE:
- negative
Connectable cable cross-sections
0.05 - 4 (2.5) mm² solid (finely stranded) (AWG 24 ... 12)
Tool
Cross-tip screwdriver (0.6 x 3.5)
Tightening torque
0.5 - 0.6 Nm (lbf in)
Note
Connecting the protective conductor
The SITOP PSU400M power supply has two protective conductor connections. Do not connect
the protective conductor to the input (not even capacitively). The cross-sections of the protective
conductor connections and the DC link connecting cable must be identical.
Table 7-3
Compatible DC link adapter
DC link adapter
6SL3162-2BD00-0AA0
Rated current
43 A
Terminal
DCP
Supply voltage: 495 ... 720 VDC
DCN
Information about connecting the DC link adapter to Smart Line Modules is provided in Chapter
"DC link adapters (Page 82)".
DC link components
7.2 SITOP PSU400M
Booksize power units
Equipment Manual, 01/2022, 6SL3097-6AC30-0BP0
103