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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
Proper t ies 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.
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
Module
User memory
Automatic backup
Flash memory
User program
Parameters
Automatically restored when Module is turned ON.
Data transfer from
CX-Programmer
Online editing from
CX-Programmer
Transfer operation