Safety Information; The Five Safety Rules - Siemens SINAMICS G180 Installation And Operating Instructions Manual

Safety information

2.1

The five safety rules

For your personal safety and in order to prevent material damage it is essential that you
adhere to all the safety notices contained in your product documentation. Pay particular
attention to the safety notices on the product itself. When working on the equipment, always
observe the following five safety rules as defined by EN 50110-1 "Working in a voltage-free
state". Apply the five safety rules in the sequence stated before starting work.
Five safety rules
1. Disconnect the system.
Disconnect the auxiliary circuits, for example anti-condensation heating.
Wait until the capacitors have discharged.
2. Lockout to protect against reconnection.
3. Make sure that the equipment is de-energized and in a no-voltage condition.
4. Ground and short-circuit.
5. Cover or enclose adjacent components that are still live.
When you have finished working on the equipment, apply the measures in reverse order.
High voltages
Potentially fatal voltages occur when this equipment is in operation which can remain
present even after the inverter is switched off.
High voltages cause death, serious injury or material damage if the safety instructions are
not observed or if the equipment is handled improperly.
• Ensure that only qualified and authorized personnel perform work on the inverter.
• Always observe the five safety rules specified above whenever you are carrying out any
Installation and Operating Instructions SINAMICS G180
Operating Instructions, 02/2019, 4BS0751-007
DANGER
work on the device.
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