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.
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
support team or where you purchased your PC to find out which system expansion
devices may safely be installed.
● Observe the information on electromagnetic compatibility (Page 89).
Risk of fire through expansion cards
Expansion cards generate additional heat. The device may overheat and cause a fire.
Please note the following:
• Observe the safety and installation instructions for the expansion cards.
• If in doubt, install the device in an enclosure that is compliant with sections 4.6 and 4.7.3
Operating Instructions, 11/2016, A5E35782395-AB
of the IEC/UL/EN/DIN-EN 60950-1 standard.