For your safety
EL2904 11Version: 3.2.2
2 For your safety
Read this chapter containing general safety information. In addition, always observe the safety instructions
and warnings in these operating instructions for your own safety, the safety of other persons and the safety
of the product.
When working with control and automation products, many dangers can result from careless or incorrect use.
Work particularly thoroughly, not under time pressure and responsibly towards other people.
2.1 Duty of care
Read entire documentation for TwinSAFE component
• TwinSAFE application manual
• EL6910 TwinSAFE logic terminal operating manual
• TwinSAFE Logic FB documentation manual
The operator must comply with all the requirements and notes specified in these operating instructions in
order to fulfill his duty of care. This includes in particular that you
• comply with the provisions defined in the chapter Limitation of liability [}6].
• only operate the TwinSAFE component when it is in perfect working order.
• provide the operating instructions in a legible condition and complete at the place of use of the
TwinSAFE component.
• do not remove the safety markings attached to the TwinSAFE component and maintain their legibility.
The operator is also responsible for the safe operation of the system. This includes risk assessment. The
following standards apply for risk assessment:
• EN ISO 12100:2010, Safety of machinery – General principles for design – Risk assessment and risk
reduction
• ISO 13849-1, Safety of machinery – Safety-related parts of control systems – Part 1: General principles
for design
Beckhoff is not responsible for the safe operation of the system.
No disposal in domestic waste
Products marked with a crossed-out waste bin must not be disposed of with domestic
waste. The device is considered waste electrical and electronic equipment when it is
disposed of. Observe the national regulations for the disposal of waste electrical and
electronic equipment.
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