Instruction Manual

7-4 Backup and Restoration
To transfer programs to or from PLC to Memory Cassette using an Omron LCD Option Board:
1. Mount the memory cassette and LCD option board into PLC as shown in Figure 7-1 and
Figure 7-3. Be sure to always turn OFF power supply to CPU unit before installation and
removal. Verify Dip Switch 4 is set to the ON position.
2. Turn the CPU power ON.
 The LCD Option Board will initialize hardware, check EEPROM, and then check
communication between the LCD Option Board and the CPU Unit. If startup is normal,
the LCD will display the clock screen similar to the one below:
3. Press the OK and ESC buttons simultaneously to switch to the main menu [MENU].
4. The PLC needs to be in program mode before beginning the transfer. Press the OK button
to select the mode (>Mode).
5. There is a choice of 3 PLC modes; RUN/MON/PRG. Press the down button to select
>PROGRAM, then press OK.
6. Press ESC to display the Main Menu [MENU].
7. Press the down button and select >MC, then press OK.
CP1L
2012/11/26
13:26:35
(Mon)
[Menu]
>Mode
IO Memory
PLC Setup

[Menu]
>Mode
IO Memory
PLC Setup

[Mode]
RUN
MONITOR
>PROGRAM
*
[Menu]
>Mode
IO Memory
PLC Setup

[Menu]
Analog
Error
>MC