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Safety Instructions; General Safety Instructions - Siemens SIMATIC IPC277D Operating Instructions Manual

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Safety instructions


General safety instructions

Life-threatening voltages are present with an open control cabinet
When you install the device in a control cabinet, some areas or components in the open
control cabinet may be carrying life-threatening voltages.
If you touch these areas or components, you may be killed by electric shock.
Switch off the power supply to the cabinet before opening it.
System expansions
Damage through system expansions
Device and system expansions may be faulty and can affect the entire machine or plant.
The installation of expansions can damage the device, machine or plant. Device and
system expansions may violate safety rules and regulations regarding radio interference
suppression. If you install or exchange system expansions and damage your device, the
warranty becomes void.
Note the following for system expansions:
• Only install system expansion devices designed for this device. Contact your technical
• Observe the information on electromagnetic compatibility (Page 112).
Risk of fire
The device is classified as "Open Type" for use in the area of industrial control equipment
in accordance with UL508. Burning substances may escape and cause fire in the event of
Please therefore note the following:
• The installation of the device in an enclosure conforming to UL508 is a mandatory
• Install the device in an enclosure that meets the requirements of paragraphs 4.6 and
Operating Instructions, 12/2016, A5E03409486-AE
support team or where you purchased your PC to find out which system expansion
devices may safely be installed.
requirement for approval and operation in accordance with UL508.
4.7.3 of the standards EN 60950-1:2006 and IEC/UL/EN/DIN-EN 60950-1.


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