YASKAWA iC9000 Series - Safe Mode; Start-Up in Safe Mode; Start-Up in Standard Mode

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4.7 Safe Mode
4.7.1 Start-Up in Safe Mode
By means of the DIP switch [S1] beneath the front flap you can start your CPU in Safe Mode. Here the CPU
starts with the following behavior:
• The CPU goes to RUN with the default project.
• A project can be loaded but not executed.
• The SliceBus is switched off.
• All field buses are disabled.
• The parametrization memory with the current firmware version and the overlay file system remains
unchanged.
• During online access, you are informed that the CPU is in Safe Mode.
• The non-volatile memory for retentive data remains unchanged.
• The CPU can only be reached via the default IP address.
• Additionally, a memory area reserved exclusively for Safe Mode is enabled, which allows the CPU to restart in
the event of a memory overflow.
1. Switch off the power supply of the CPU.
2. Set the S1 DIP switches S1-1 and S1-2 under the front flap to the following position:
3. Switch ON the power supply of the CPU again.
The CPU starts in Safe Mode and shows this exclusively during online access.
4.7.2 Start-up in Standard Mode
1. Switch OFF the power supply of the CPU.
2. Set the S1 DIP switches S1-1 and S1-2 to the default position:
3. Switch ON the power supply of the CPU again.
The CPU starts in Standard Mode again. If a project was loaded in Safe Mode, it is executed in RUN.
4.7 Safe Mode
Terminal Setting Action
S1-1 ON After power is switched ON the CPU starts in Safe Mode.
S1-2 OFF
Terminal Setting Action
S1-1 OFF After power is switched ON the CPU starts in Standard Mode -
Default setting.
S1-2 OFF
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Deployment