Siemens SINUMERIK ONE NCU 1760 Equipment Manual page 11

Spread of fire from built-in devices
In the event of fire outbreak, the enclosures of built-in devices cannot prevent the escape of
fire and smoke. This can result in serious personal injury or property damage.
● Install built-in units in a suitable metal cabinet in such a way that personnel are protected
● Ensure that smoke can only escape via controlled and monitored paths.
Unexpected movement of machines caused by radio devices or mobile phones
Using radio devices or mobile telephones in the immediate vicinity of the components can
result in equipment malfunction. Malfunctions may impair the functional safety of machines
and can therefore put people in danger or lead to property damage.
● Therefore, if you move closer than 20 cm to the components, be sure to switch off radio
● Use the "SIEMENS Industry Online Support app" only on equipment that has already been
Fire due to inadequate ventilation clearances
Inadequate ventilation clearances can cause overheating of components with subsequent fire
and smoke. This can cause severe injury or even death. This can also result in increased
downtime and reduced service lives for devices/systems.
● Ensure compliance with the specified minimum clearance as ventilation clearance for the
NOTICE
Overheating due to inadmissible mounting position
The device may overheat and therefore be damaged if mounted in an inadmissible position.
● Only operate the device in admissible mounting positions.
NCU 1760
Equipment Manual, 02/2020, A5E45627861B AB
WARNING
against fire and smoke, or take other appropriate measures to protect personnel.
WARNING
devices or mobile telephones.
switched off.
WARNING
respective component.
Fundamental safety instructions
1.1 General safety instructions
11