Rockwell Automation 1772-AF4,D17726.5.3 User Manual, AUX FUNCT PROM - Manual (Page 7)

Chapter 2
2Ć3
To access the PROM socket, remove the Mini-PLC-2/15 processor module from
the I/O chassis. If you desire to maintain processor memory contents, connect
an external battery pack (Figure 2.3) to the processor with the Mini-Processor
Transport Cable (cat. no. 1772-CD) prior to removing the module from the
chassis.
Figure 2.3
External Battery Backup
MiniĆPLCĆ2/15 Processor
(Cat. No. 1772ĆLV)
Battery Pack
(Cat. No. 1771ĆBB)
MiniĆProcessor
Transport Cable
(Cat. No. 1772ĆCD)
11182
To install the AF4, perform the following steps (Figure 2.2):
1. Turn the mode select switch to PROG.
2. Remove AC power from the I/O chassis power supply.
3. Remove the processor module from the I/O chassis.
4. Check all AF4 pins to ensure they are not bent or dirty.
5. Loosen the screw and lift the PROM door.
6. Push the ON tab in to unlock the socket.
7. Position the AF4 as shown in Figure 2.2. Be sure the notch on your AF4
faces the OFF tab.
8. Line up the AF4 as shown in Figure 2.2 and seat in the socket. Be sure the
pins are aligned as they bend easily.
9. Lock the AF4 in place by pushing the OFF tab in.
10. Close the PROM door and tighten the screw.