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If you have configured a password as the security option and the password prompt
interval is either 0 or has expired, the controller panel displays the Access
Verification dialog for you to enter the password. After verifying successful
password entry, the controller panel displays the Restart Method dialog.
After executing OB 100 (warm restart) or OB 102 (cold restart) according to your
selection, the controller executes the free cycle (OB 1).
4.2.2
Setting the Autoload Feature
You use the "Autoload" feature of WinAC Slot 41x to define how WinAC Slot 41x
reacts to a Power Up of the PC. This feature is particularly useful during the
commissioning phase of the automation system, or in unbuffered operation of the
CPU 41x-2 PCI. The Autoload feature enables you to configure the controller to
perform the following actions upon restart:
•
Load a STEP 7 user program that was previously archived
•
Set the operating mode to a defined state after loading the STEP 7 user
program
The topic Archiving and Restoring STEP 7 User Programs describes how to
archive a STEP 7 user program that can be configured as the autoload program.
To use the Autoload feature, your system must meet these requirements:
•
No FLASH card is plugged into the CPU 41x-2 PCI
•
The CPU 41x-2 PCI is operated without a backup battery
•
An external, independent 24 VDC supply is not connected
•
An archive file (.wld file) exists
Windows Automation Center, WinAC Slot Version 4.0
Hardware Installation and Operating Manual, Edition 02/2006, A5E00273194-02
Operating the Controller - CPU 41x-2 PCI
59
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