Connecting-Up - Siemens SINAMICS G120 Hardware Installation Manual

Connecting-up

Install the inverters so that you are compliant with local regulations for erecting and installing
low voltage systems.
Danger to life through electric shock due to the residual charge of the DC link capacitors
Because of the DC link capacitors, a hazardous voltage is present for up to 5 minutes after
the power supply has been switched off.
Contact with live parts can result in death or serious injury.
● Do not open the protective covers or the terminal covers of the device until 5 minutes have
● Before starting any work, check that the system is in a voltage-free state by measuring all
● Ensure that the associated warning plate in the appropriate language is attached.
Note
Operating displays for inverter operation
If, when switching over a function from ON to OFF, an LED or other similar display is not lit or
not active; this does not indicate that the device is switched-off or in a no-current condition.
Note
Safety devices
Install suitable protective equipment between the line supply and inverter.
To protect against indirectly touching part of the motor circuit of an inverter and to automatically
shut down in the case of a fault according to DIN EN 60364-4-41 (VDE 0100-410).
support.automation.siemens.com/WW/view/en/103474630)
Danger to life due to electric shock if there is poor touch protection
Death or injury can occur if accessible parts or connections, which are live, are touched.
● At all of the power connections carefully ensure that neither cables nor terminals can be
● Cover power connections that are not used so that they cannot be touched.
● Use the dummy plugs provided in the accessory pack to occupy unused terminals.
PM240P-2 Power Modules
Hardware Installation Manual, 11/2016, A5E37800827C AB
DANGER
elapsed.
terminals, also to ground.
Technical data (Page 57)
WARNING
touched. Make the openings just large enough for the cables to be routed through.
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