3.2.2.11 Buttons
RESET button
Pressing the RESET button restarts the device, just the same as after connecting the
electronics power supply (cold restart).
DIAG button
The DIAG pushbutton is reserved for service functions.
3.2.2.12 Slot for memory card
Figure 3-8 Slot for memory card
Note
Plant standstill by withdrawing or inserting the memory card during operation
If the memory card is withdrawn or inserted during operation, then data can be lost, possibly
resulting in a plant standstill.
● Only withdraw and insert the memory card when the Control Unit is in a no-voltage condition.
Note
Insertion direction for the memory card
Only insert the memory card as shown in the photo above (arrow at top right).
Control Units
3.2 Control Unit CU320-2 DP (PROFIBUS)
Supplementary component descriptions
Manual, 06/2019 39
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