Emerson Process Management ControlWave XFC - Manual (Page 79)

CI-ControlWave XFC Service / 3-3
3. Remove the four screws that secure the Function Module to the Case and remove the
Function Module far enough to facilitate access to the CPU’s Lithium Battery.
4. Remove and replace the Lithium Battery on the rear of the CPU Board.
5. Align the Function Module with the Case such that Terminal Plate connector J4 is
positioned at the bottom and insert the unit into the Case. Replace the four screws
removed in step 3. Replace the Rear/Wiring Cover.
Figure 3-1 - ControlWave XFC Component Identification Diagram