Rockwell Automation 1785 User Mnl. PLC-5 Prog.Control Flash - Manual (Page 3)

3
For A-B Internal Use Only
Publication 1785-6.2 March 1998
Step 1 - Preparing the PLC-5 Processor
1. Save processor memory to your hard disk or to an EEPROM using your
PLC-5 programming software.
2. Remove the processor battery cover and disconnect the battery. This resets
the serial port to its default configuration so that the PLC-5 processor and the
flash tool can communicate.
3. Turn off processor power.
4. Disconnect all cables (serial, DH+

, ControlNet, Ethernet, etc.) from
the processor.
5. Disconnect the coprocessor or PLC-5 Ethernet Interface module, if one
is connected.
6. Turn the processor keyswitch to Program mode.
7. Turn on processor power.
8. Attach the shielded serial cable (1784-CP10 or 1784-CP11) between
channel 0 on the PLC-5 processor and the serial port on the computer.
!
ATTENTION: You must save the processor memory
to your hard disk or to an EEPROM. If you do not, the
PLC-5 user memory will be lost because the flash
procedure erases processor memory.