Replacing the memory module or safety key

[1]

Pluggable safety key

[2]

Memory module

Proceed as follows:

  1. Observe chapter Creating a safe working environment.
  2. Loosen the screws on the service unit. Open the cover downward.
  3. Remove the memory module or the pluggable safety key.
  4. Compare the part numbers of the memory modules or the safety keys. The new memory module or the new safety key must have the same part number and the same (or higher) status as the previous memory module or previous safety key.
  5. Insert the new memory module or the new safety key into the device.
  6. Close the service unit. Tighten the screws on the cover again.
  7. Supply the device with voltage.
  8. Check the startup of the device.
    • If required, perform startup again or load the saved startup to the device.
    • For devices with safety card, check the startup of the safety card.
  9. Check the function of the new device.