Safety instructions
2.5 Risk assessment of the plant
Mobile Panels 2nd Generation
38 Operating Instructions, 09/2018, A5E33876626-AC
Note
HMI device not intended for use in residential area
Th
e HMI device is not intended for use in residential areas. Operation of an HMI device in
residential areas can have a negative influence on radio or TV reception.
Risk assessment of the plant
Note
Risk assessment in an F-system is always required
A risk assessment must be performed for each F
-system. The responsibility lies with the
The following rules apply to the risk assessment of the plant:
● EN ISO 12100:2010, Safety of machinery – General principles for design of machinery –
Risk assessment and risk reduction
● ISO 13849-1, Safety of machinery - Safety-related parts of control systems - General
principles for design
The results of the risk assessment leads to the Performance Levels a to e in accordance
with ISO 13849-1, which indicates how the safety-related system components must be
designed if the stop or emergency stop functions are needed locally in a plant segment or
globally throughout the plant and which operating mode is to be used for the HMI devices in
a safety-related plant area.
Also refer to the technical specifications in the section "Mobile Panel (Page 233)", section
"Fail-safe operation". Take the plant configuration as a whole into consideration in the risk
assessment and not just the individual areas. Additional information on risk assessment and
risk reduction is available at:
"Safety Technology in SIMATIC S7" system manual
(http://support.automation.siemens.com/WW/view/en/12490443
)
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