Siemens SINAMICS G120 Pour commencer - Page 7

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Safety information

Use for the intended purpose

The inverter described in this manual is a device for controlling an induction motor or a

synchronous 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

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.

Converters with CU250S-2 Control Units

Getting Started, 10/2013, FW V4.6, A5E32899990B AA

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.