2. Safety
2.1 Identification in the operating instructions
In these operating instructions, there are warnings before dangerous actions. These warnings are divided into the following danger categories:
DANGER
Dangers that can lead to serious injuries or fatal injuries.
WARNING
Dangers that can lead to serious injuries or considerable damage to property.
CAUTION
Dangers that can lead to injuries and damage to property.
CAUTION
Dangers that can lead to minor damage to property.
The warnings can also be supplemented with a special danger symbol (e.g. „Electric current“ or „Hot parts“) , e.g.
risk of electric current or 
risk of burns
In addition to the warnings, there is also a general note for useful information.
NOTE
Content of note
2.2 General danger information
DANGER
Not adhering to the safety stipulations in the operating instructions of the power controllers used can lead to danger of injury / danger of damaging the device or system.
>Adhere to all safety stipulations in the chapter “Safety” of the operating instructions of the power controllers being used.
DANGER
Electric current
Risk of injury from current carrying parts / danger of damaging the bus module.
>Never operate the device without the covering.
>Undertake settings and wiring without current being supplied
CAUTION
Danger of damaging the bus module
The current at terminals X1.5 to X8.5 must not exceed 120 mA. > Check the connection information of the preceding relay.
6