3 safety requirements checklist – Rockwell Automation T8094 8000 Series TMR System Safety Manual User Manual
Page 76
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SAFETY MANUAL
D oc N umber T8094
I ssue 27 – June 2013
Page 55 of 103
4.1.3 Safety Requirements Checklist
Description
Reference
Have all of the functional requirements
been allocated a required safety
requirements class?
2.2.1.3
Has the safety-related timing for each
safety-related function, including process
safety time (PST) and fault tolerance period,
been established?
2.2.1.3
Have the safety requirements been
approved?
2.2.1.3
Are there clear definitions of the external
interfaces involved in each of the
safety-related functions? (These may
already be defined in the functional
requirements).
2.2.1.3
Is there now sufficient information to
understand how the plant should be
controlled safely in each of its intended
operating modes?
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