Safety notes
3
3.1
Basic safety notes
WARNING
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
NOTICE
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.
Observe 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 71).
WARNING
Risk of fire through expansion cards
Expansion cards generate additional heat. The device may overheat and cause a fire.
Therefore, observe 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
of the IEC/UL/EN/DIN‑EN 60950‑1 standard.
SITRANS CC240 and SITRANS MX300
Operating Instructions, 06/2021, A5E47280695-AB
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