The A and B states of the Quantum Hot Standby CPU's are established based upon MAC address. The lowest MAC address will by default become the "A" CPU. Is it possible to change this behavior?
Issue:
The A and B states of the Quantum Hot Standby CPU's are established based upon MAC address. The lowest MAC address will by default become the "A" CPU. Is it possible to change this behavior?
Product Line:
Quantum Hot Standby CPU
Resolution:
Yes. During commissioning you can assign the CPU with the higher MAC address to "A" .
1: Power up the CPU with the higher MAC address.
2: Using the keypad on the CPU assign the "A" attribute to the CPU.
3: Download the application to the PLC and issue a start command.
4: Power up the Standby while holding down the ESC key on the keypad.
5: When the screen displays "Erasing All RAM wait 2 seconds" let go of the ESC key.
6: The CPU should become Standby and take on the "B" attribute.
If this FAQ did not solve your issue, you can chat with us at chat with us or e-mail us at customer.services@se.com to create a case with our Technical Support Team.
If you are not located in North America, please contact your local Customer Care Center for assistance:
Udgivet til: Schneider Electric Danmark
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