2 General safety instructions
10 09.2019
Unexpected start-up:
• Is prevented after the power supply is restored.
• The actuation control must also ensure this.
Physical injuries, e.g. crushing, severed limbs or even death.
The safety instructions are to be followed and applied!
Direct contact with the power supply:
Deadly touch voltages can arise:
• from faulty wiring
• from not disconnecting the power supply when working on the control equipment
Physical injuries can remain, e.g. ventricular fibrillation, skin burns.
• The electrically skilled person must take this into consideration and take suitable
precautions.
Failure of one of the downstream power elements
• Downstream power elements are not monitored by the SLE 3.
• Failure is to be prevented by the designer of the control equipment by suitable choice.
• In the event of failure the operator must have the power element replaced immediate-
ly by a competent person.