Safety Notes; General Safety Instructions - Siemens SINAMICS G120 Operating Instructions Manual

Safety notes

Use for the intended purpose
The inverter described in this manual is a device for controlling an induction motor. The
inverter is designed for installation in electrical installations or machines.
It has been approved for industrial and commercial use on industrial networks. Additional
measures have to be taken when connected to public grids.
The technical specifications and information about connection conditions are indicated on
the rating plate and in the operating instructions.
1.1

General safety instructions

Danger to life due to live parts and other energy sources
Death or serious injury can result when live parts are touched.
• Only work on electrical devices when you are qualified for this job.
• Always observe the country-specific safety rules.
Generally, six steps apply when establishing safety:
1. Prepare for shutdown and notify all those who will be affected by the procedure.
2. Disconnect the machine from the supply.
3. Identify all other hazardous energy sources, e.g. compressed air, hydraulic systems,
4. Isolate or neutralize all hazardous energy sources, e.g. by closing switches, grounding
5. Secure the energy sources against switching on again.
6. Make sure that the machine is completely locked ... and that you have the right
After you have completed the work, restore the operational readiness in the inverse
sequence.
Converter with the CU250S-2 Control Unit (vector)
Operating Instructions, 06/2013, FW V4.6, A5E31759476B AB
DANGER
– Switch off the machine.
– Wait until the discharge time specified on the warning labels has elapsed.
– Check that it really is in a no-voltage condition, from phase conductor to phase
conductor and phase conductor to protective conductor.
– Check whether the existing auxiliary supply circuits are de-energized.
– Ensure that the motors cannot move.
water.
or short-circuiting or closing valves.
machine.
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