User Manual

SAFETY
Safety handbook page - 7-
PNSPO
• Frequency of exposure.
Step 4 Risk Evaluation & Reduction
• Determination of whether the level of risk is acceptable.
• Prioritisation of the implementation of control measures.
Step 5 Risk Reduction
• Eliminate or reduce exposure to hazard as far as practical
• Reduce the probability and severity.
• Use safe guards and safety devices.
• Determine the performance and functional characteristics of the safety measures
are suitable for the machine and its use.
3.2 Categories
EN 954 Safety of Machinery – Safety Related Parts of Control systems
Describes the risk reduction, which is necessary, when designing and constructing
safety related parts of control systems and devices. The categories represent a
classification of the control system with respect to their ability to withstand faults and
their behaviour in the event of a fault.
START
Desertion of the limits of
machinery
Hazard identification
Risk estimation
Risk evaluation
Is the
machine
safe?
END
NO YES