Rockwell Automation 1772-AF4,D17726.5.3 User Manual, AUX FUNCT PROM - Manual (Page 8)

Installation
Chapter 2
2Ć4
To remove the AF4, perform the following steps:
1. Turn the mode select switch to PROG.
2. To maintain processor memory contents connect an external battery pack
to the processor with the mini-processor transport cable (Figure 2.3).
3. Remove AC power from the I/O chassis power supply.
4. Remove the processor module from the I/O chassis.
5. Loosen the screw, lift up the PROM door, and push the ON tab in to
unlock the socket (Figure 2.2).
6. Carefully remove the AF4 and store it in its shipping container.
Removal