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Foreword
Residual risks
xiv
When carrying out a risk assessment of the machine in accordance
with the EU Machinery Directive, the machine manufacturer must con-
sider the following residual risks associated with the control and drive
components of a power drive system (PDS).
1. Unintentional movements of driven machine components during
commissioning, operation, maintenance, and repairs caused by, for
example:
– Hardware defects and/or software errors in the sensors, control-
lers, actuators, and connection technology
– Response times of the controller and drive
– Operation outside the specification
– Errors when parameterizing, programming and wiring
– Use of radio devices/cellular phones in the immediate vicinity of
the controller
– External effects
2. Exceptional temperatures as well as emissions of light, noise,
particles, or gas caused by, for example:
– Component malfunctions
– Software errors
– Operation outside the specification
– External effects
3. Hazardous shock voltages caused by, for example:
– Component malfunctions
– Static charges
– Operation outside the specification
– Condensation/conductive contamination
– External effects
4. Electrical, magnetic, and electromagnetic fields that can pose a risk
to people with a pacemaker and/or implants if they are too close.
5. Emission of pollutants if components or packaging are not disposed of
properly.
An assessment of the residual risks (see points 1 to 5 above) estab-
lished that these risks do not exceed the specified limit values (risk
priority number in accordance with EN 60812 RPZ = 100).
For additional information, refer to the relevant sections of the Function
Manual.
SIMODRIVE POSMO A User Manual (POS1) – 08/2013 Edition
E Siemens AG 2013 All Rights Reserved
10.07
06.05
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