Siemens SINAMICS S110 Manual page 153

NOTICE
Damage to memory card due to electric fields or electrostatic discharge
Electrical fields or electrostatic discharge may result in the memory card being damaged.
• When removing and inserting the memory card, always observe the ESD regulations.
The memory card may only be inserted as shown in the figure (arrow top right).
Working with the memory card
If you return a defective CU305 to Siemens, remove the memory card and keep it in a safe
place.
When you commission the replacement device, all stored data (firmware, licenses,
parameters) will be available to you again.
SINAMICS S110
Manual, 07/2015, 6SL3097-4AC10-0BP5
CU305 Control Units
7.3 Interface description
153