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Safety guidelines
2.1
General safety instructions
Safety regulations
Hazards
Strictly observe all instructions in these operating instructions at all times. Otherwise,
hazardous situations can arise or the safety mechanisms in the HMI device can be
rendered ineffective.
Observe the safety and accident prevention instructions applicable to your application in
addition to the safety instructions given in this manual.
Voltage dips and memory changes
The configuration engineer for a machine or system PLC must take precautions so that an
interrupted program can be restarted normally after voltage dips or power failures.
Dangerous operating conditions must not occur, even temporarily.
If faults in the system can cause bodily injury or significant property damage, additional
measures must be taken outside of the system. These measures must also ensure safe
operating conditions in the system in the event of a fault.
The system's configuration engineer must take precautions to ensure that memory changes
that could lead to a dangerous situation can only be undertaken by authorized persons.
Safety-related features after impact
After a hard impact to the HMI device, check the safety-relevant features for functional
capability, for example in the event that the HMI device is dropped.
If the system is operated with the HMI device:
Ensure that current operation is only possible by means of the HMI device and not from any
other point on the system.
Mobile Client900RXA
Operating Instructions, 07/2015, A5E36360099-AA
WARNING
WARNING
WARNING
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