Safety system information and
considerations
Contents of this chapter
This chapter contains general safety considerations and information you must take into
account when you apply the safety functions.
Applying FSPS-21 safety functions
To ensure that the application where FSPS-21 and its safety functions are used is safe to
use and fulfils all necessary safety requirements, it is necessary to take into account the
requirements of the local (machinery) safety legislation (eg, Machinery Directive) and/or of
the applicable functional safety standards (e.g. ISO 13849-1).
To make safe applications and implementing safety functions requires systematic approach
/ process, where risk assessment is the basis of all safety requirements. These processes
are described in global ISO & IEC machinery safety and/or functional safety standards (eg,
ISO 12100, 13849-1, IEC 62061). These are also introduced in Functional safety; Technical
guide No. 10 (3AUA0000048753 [English]).
Before you take into use any system where FSPS-21 with its safety functions is used, and
also every time you modify any application parameters or the configuration related to safety,
you must check the safety and correct operation of the entire system by verifying and
validating it according to the system safety verification plan. See chapter Verification and
validation (page 173).
Meeting the requirements of the Machinery Directive
If the machine, where the FSPS-21 module is part of a safety system, is going to be sold
or taken into use in Europe, it is the responsibility of the machine builder / OEM / system
integrator to make sure that the machine is safe to use and all relevant essential health and
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Safety system information and considerations 21
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