Installing and connecting the device
3.3 Connecting the device
SIMATIC IPC BX-39A
Operating Instructions, 07/2022, A5E50715883-AA
43
3.3.4 Connecting expansion cards
This section applies to devices with expansion cards.
The expansion card interface is protected by a cover. There are two holes in the cover for
wiring.
Fire hazard due to overheating of the device
Expansion cards generate additional heat. The device can overheat or cause a fire.
• Observe the safety and installation instructions for the expansion cards.
• Observe the max. permissible power consumption values for the device.
• When in doubt, install the device in an enclosure that meets the requirements of
paragraph 9.3.2 of the IEC/UL/EN/DIN-EN 61010-2-201 standard.
Requirements
• The device is switched off.
Procedure
The procedure is described based on the example of a USB expansion card.
Open the cover by pushing the indicated
latching hooks in the direction of the ar-
row. Open the cover in the direction of
the arrow and lift it off. You can now ac-
cess the expansion card interfaces.
Connect the cable to one of the indicated
slots.
Attach the cover at the points shown and
close it. Make sure that the latching
hooks snap into place so that the co
ver is
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