Description 
  1.8 Safety notes 
SIMOTION D4x5 
Manual, 02/2012 
27 
1.8  Safety notes 
Note the following safety information when working with the Control Unit and its components.   
 
 
NOTICE 
 
The 80 mm clearances above and below the components must be observed. The unit 
protects itself from overheating by shutting down. 
 
CAUTION 
 
An option board may only be inserted and removed when the Control Unit and option board 
are disconnected from the power supply. 
The CompactFlash card may only be inserted or removed when the Control Unit is 
disconnected from the power supply.  
SIMOTION D4x5 is in a de-energized state when all the LEDs are OFF. 
 
WARNING 
 
Safe, problem-free operation of SIMOTION D Control Units assumes proper transportation, 
storage, setup, and installation, as well as careful operation and maintenance. 
In addition to the danger and warning information provided in the technical customer 
documentation, the applicable national, local and plant-specific regulations and 
requirements must be taken into account. 
Only safety extra-low voltage in accordance with EN/IEC 60950-1 may be connected to all 
connections and terminals.