SIMATIC IPC277E
Operating Instructions, 11/2019, A5E35783335-AE
23
2.1 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.
The installer of the system is responsible for the safety of a system in which the device is
integrated.
There is a risk of malfunction which could result in death or serious injury.
• Ensure that only suitably qualified personnel perform the work.
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.
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