General Safety Instructions - Siemens SIMOTICS S-1FK2 Service Manual

General safety instructions

1.1 General safety instructions
Electric shock and danger to life due to other energy sources
Touching live components can result in death or severe injury.
• Only work on electrical devices when you are qualified for this job.
• Always observe the country-specific safety rules.
Generally, the following six steps apply when establishing safety:
1. Prepare for disconnection. Notify all those who will be affected by the procedure.
2. Isolate the drive system from the power supply and take measures to prevent it being
3. Wait until the discharge time specified on the warning labels has elapsed.
4. Check that there is no voltage between any of the power connections, and between any of
5. Check whether the existing auxiliary supply circuits are de-energized.
6. Ensure that the motors cannot move.
7. Identify all other dangerous energy sources, e.g. compressed air, hydraulic systems, or
8. Check that the correct drive system is completely locked.
After you have completed the work, restore the operational readiness in the inverse sequence.
Electric shock due to damaged motors or devices
Improper handling of motors or devices can damage them.
Hazardous voltages can be present at the enclosure or at exposed components on damaged
motors or devices.
• Ensure compliance with the limit values specified in the technical data during transport,
• Do not use any damaged motors or devices.
Encoder replacement for SIMOTICS S-1FK2 and S-1FT2
Service Manual, 07/2022, A5E52211160B AA
WARNING
switched back on again.
the power connections and the protective conductor connection.
water. Switch the energy sources to a safe state.
WARNING
storage and operation.
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