Omron FQM1-MMA21, FQM1-CM001 5-7-3Flash Memory, Section, Automatic Backup to Flash Memory

Operation Settings at Startup and Maintenance Functions Section 5-7

Password Protection

1,2,3... 1. Register a password either online or offline.

a.Select the Module in the Device Type drop-down menu and select Properties from the View Menu.

b.Select Protection from the PLC Properties Dialog Box and input the password.

2.Set password protection online.

a.Select PLC/Protection/Set. The Protection Setting Dialog Box will be displayed.

b.Click the OK Button.

5-7-3 Flash Memory

Automatic Backup to Flash Memory

The user program and parameters are automatically backed up in flash mem- ory whenever they are written.

•The following data is backed up automatically: User program, parameters (including the System Setup, absolute offset data, and analog I/O offset gain adjustment values), and some DM Area data (only for the Coordina- tor Module).

•The automatic backup is executed whenever the Module user program or parameter area is written (e.g., for data transfer operations from the CX- Programmer and online editing).

•The user program and parameter data written to flash memory is auto- matically transferred to user memory at startup.

Module

User memory

Automatic backup

Data transfer from

CX-Programmer

Online editing from

CX-Programmer

User program

Transfer operation

Parameters

Automatically restored when Module is turned ON.

Flash memory

Note The backup status will be displayed in a Memory Backup Status Window by the CX-Programmer when backing up data from the CX-Programmer for transfer operations other than normal data transfers (PLC/Transfer). To obtain this window, display of the backup status dialog box must be selected

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