Rockwell Automation 1769-L32C_L35CR CompactLogix Controller Installation Instructions - Manual (Page 14)

14 1769-L32C, 1769-L35CR CompactLogix Controller
Publication 1769-IN070C-EN-P - May 2008
3. Match the orientation arrow on the card with the arrow on the front
of the controller.
4. Note that the CompactFlash card supports removal and insertion
under power.
5. To remove the CompactFlash card, push the locking tab away from
the CompactFlash card and pull the CompactFlash card from the
socket.
WARNING
When you insert or remove the CompactFlash Card while power is on, an
electrical arc can occur. This could cause an explosion in hazardous location
installations.
Be sure that power is removed or the area is nonhazardous before proceeding.