dl-breadcrumbs__homedl-breadcrumb-item__separatorConfiguration and programmingdl-breadcrumb-item__separatorSystem technologydl-breadcrumb-item__separator...dl-breadcrumb-item__separatorSystem technology of CPU and overall systemdl-breadcrumb-item__separatorSystem processingdl-breadcrumb-item__separatorSystem start-up / Program processingdl-breadcrumb-item__separatorStart of the user program
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The user program (UP) is started according to the following table. It is assumed that a valid user program is stored to the user flash memory ⮫ “Storage device details”.

Action

No memory card with UP installed

Auto run = ON

No memory card with UP installed

Auto run = OFF

Memory card with UP installed

Auto run = ON

Memory card with UP installed

Auto run = OFF

Voltage ON

or Warm start

or Cold start

UP is loaded from flash disk into RAM and started from flash.

No UP is loaded from flash disk. When logging in, the message "No program available in the controller ..." is displayed.

UP is loaded from the memory card into the user flash memory and RAM and then started from RAM.

UP is loaded from the memory card to the user flash memory. RAM remains empty. When logging in, the message "No program available in the controller ..." is displayed.

STOP -> RUN

UP in RAM is started.

UP in RAM is started.

UP in RAM is started.

UP in RAM is started.

STOP -> START

UP in RAM is started.

UP in RAM is started.

UP in RAM is started.

UP in RAM is started.

Download 1)

The UP currently stored in the CPU's RAM is stopped. The built UP is loaded from the PC into the PLC's RAM.

The built UP is loaded from the PC into the PLC's RAM.

The UP currently stored in the CPU's RAM is stopped. The built UP is loaded from the PC into the PLC's RAM.

The built UP is loaded from the PC into the PLC's RAM.

Online Change 2)

Processing of the UP currently stored in the CPU's RAM is continued. The changes made to the UP are loaded from the PC into the PLC's RAM. The UP is reorganized and processed.

The changes made to the UP are loaded from the PC into the PLC's RAM. The UP is reorganized.

Processing of the UP currently stored in the CPU's RAM is continued. The changes made to the UP are loaded from the PC into the PLC's RAM. The UP is reorganized and processed.

The changes made to the UP are loaded from the PC into the PLC's RAM. The UP is reorganized.

Remarks:

1): After the download is completed, the program is not automatically stored to the user flash memory. To perform this, create a boot project . If the UP is not stored to the user flash memory, the UP is reloaded from the user flash memory after voltage OFF/ON. Start the program either by pressing the RUN/STOP function key or using Automation Builder.

2): After the online change process is completed, the program is not automatically stored to the user flash memory. For this, after reorganization is completed create a boot project. During reorganization and flashing, no further online change command is allowed. If the UP is not stored to the user flash memory, the UP is reloaded from the user flash memory after voltage OFF/ON.

2): After the online change process is completed, the program is not automatically stored to the user flash memory. For this, after reorganization is completed create a boot project . During reorganization and flashing, no further online change command is allowed. If the UP is not stored to the user flash memory, the UP is reloaded from the user flash memory after voltage OFF/ON.