Siemens SIMATIC IPC427E Operating Instructions Manual page 37

Procedure
In this example, the expansion card is a USB expansion card.
1. Open the cover by pushing the indicated
latching hooks in the direction of the
arrow. Open the cover in the direction of
the arrow and lift it off. You can now
access the expansion card interfaces.
2. Connect the cable to one of the indicated
slots.
3. Attach the cover at the points shown and
close it. Make sure that the latching
hooks snap into place so that the cover is
secured.
See also
Dimension drawing - device with expansion cards (Page 85)
SIMATIC IPC427E
Operating Instructions, 02/2021, A5E37454814-AE
Installing and connecting the device
3.3 Connecting the device
37