Siemens SINAMICS S120 Device Manual page 65

Table 4- 1 Checklist for electrical installation
Item Action
General information
1 For strain relief, the cables must be clamped to the cable C-type mounting bar.
2 When EMC-shielded cables are used, screwed glands that connect the shield to the
ground with the greatest possible surface area must be provided on the motor terminal
box. In the cabinet, the cable shields must be secured to the shield buses/plates with
the fixing accessories provided to ensure proper EMC.
3 PE busbar
4 DC busbar
5 Auxiliary power supply
system
6 For Cabinet Modules not used as a transport unit, connections on the plant side must
be made according to the circuit diagram.
The open connections that are correspondingly marked must be wired up according to
the circuit diagram.
Power connections
7 A yellow warning label is attached to each connection clip for the basic interference
suppression module.
The warning label must be removed from the connection clip (by pulling it off) if the
•
connection clip is to remain in the unit (operation on a grounded system).
The warning label must be removed together with the connection clip if the unit is
•
operated on an ungrounded system (IT system).
(→ See following Section "Connecting the Cabinet Modules to ungrounded systems (IT
systems)")
8 The cables must be properly connected with the required torque to the terminals pro-
vided.
The maximum permissible cable lengths between the Motor Module and the motor
must be observed depending on the type of cable used.
(→ See following Section "Connecting the motor cables")
(→ See Chapter "Cabinet Modules", Section "Motor Modules in booksize format")
(→ See Chapter "Cabinet Modules", Section "Motor Modules in chassis format")
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
The PE busbar between the cabinet units or transport units
must be linked.
A connection with the ground for the entire system must also
be established.
(→ See Section "PE busbar")
When several cabinet units or transport units are installed
side-by-side, the DC busbars must be connected to each
other by means of the jumpers provided.
(→ See Section "DC busbar")
The Auxiliary Power Supply Modules must be interconnected
between the cabinet units or transport units and supplied
with the correct voltages.
Make sure that the correct voltage is applied.
(→ See following Section "Auxiliary power supply system")
Electrical installation
4.2 Checklist for electrical installation
included/completed?
65