SIMATIC PC Panel PC 677/877, Control Unit
Operating Instructions, Edition 04/2005, A5E00407724-01
1-1
Safety Information
1
1.1
1.1
General safety notes
Warning
Emergencies
If the device malfunctions, remove the power cable immediately and contact your nearest
customer service representative. Malfunctions can occur when the operator controls or
power cable are damaged or when liquids or foreign objects penetrate the device.
Electrical connections
Warning
Unplug the device before every intervention and after disconnecting it from the power
supply.
Do not touch power lines or data transmission lines during electrical storms and do not
connect any cables.
High frequency radiation
Caution
Unintentional operating situations
High frequency radiation, e.g. from cell phones, can cause unintentional operating situations
under some circumstances. For more details, consult the technical data in the "EMC
Requirements" chapter.
Handling and disposal of lithium batteries
Warning
Danger of explosion and the release of harmful substances!
Do not throw lithium batteries into fire, do not solder onto the cell body, do not open, do not
short circuit, do not reverse pole, do not heat above 100 °C, dispose of according to
regulations, and protect from direct sunlight, moisture and condensation.
Replace lithium batteries with the same brand or a brand recommended by the
manufacturer.
Dispose of used lithium batteries individually as hazardous waste in accordance with the
local regulations.
