Siemens SIMATIC Series Operating Instructions Manual page 32

Safety instructions
2.1 General safety instructions
Devices in the control cabinet
Life-threatening voltages are present with an open control cabinet
When you open the control cabinet, some areas or components 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 to the device, machine or plant due to device and system expansions
Device and system expansions may contain faults and affect the entire device, machine or
plant.
Device and system expansions may violate safety rules and regulations regarding radio
interference suppression. If you install or replace device or system expansions and damage
your device, the warranty is voided.
Note the following:
• Only install device or system expansions designed for this device. Contact your
• Please observe the information on electromagnetic compatibility in the technical
Fire hazard due to overheating of the device
Expansion cards generate additional heat. The device can overheat or cause a fire.
• Observe the safety and installation instructions for the expansion cards.
• Observe the max. permissible power consumption values for the device in the section
32
WARNING
technical support team or the point of sale to find out which device and system
expansions are suitable for installation.
specifications.
CAUTION
"Technical specifications".
Operating Instructions, 04/2020, A5E49948632-AA
SIMATIC IPC547G