Backing up the SRAM of a Fanuc CNC controller is essential to prevent data loss due to battery failure, system resets or software upgrades. Without a sufficient backup plan in place, losing system parameters and PMC data could lead to machine downtime and costly reconfigurations.
To perform an effective backup, you’ll require a blank SRAM card compatible with your Fanuc system. We will walk through a complete Fanuc SRAM backup procedure using an 0i-TD controller as an example – follow along step-by-step video guide so that your machine data is secure!
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Press and hold the power button to turn on the machine.
Navigate to the system parameters page.
Select the second option: [USER DATA LOADING]
Check that the SRAM card is empty (no parameters stored).
Select [END] to return to the previous menu.
From the system menu, select the seventh option: [SRAM DATA UTILITY]
Select the first item [SRAM BACKUP (CNC → MEMORY CARD)]
Confirm by selecting [YES], and wait for the backup to complete.
Return to the system menu and select the sixth option: [SYSTEM DATA SAVE]
Scroll through the options and select option [47]: PMC1
Confirm by selecting [YES], and wait for the backup process to finish.
Go back to the system menu and select [USER DATA LOADING] again.
Check that the SRAM card now contains both parameter and PMC data.
Regularly backing up your Fanuc CNC system is essential to prevent data loss caused by battery failure, system resets, or software updates. A well-maintained SRAM backup ensures that your machine can be quickly restored without unnecessary downtime or costly reconfiguration.
To keep your CNC system secure, make it a habit to perform backups periodically and store the backup files safely.
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How we process your repair requirements
Get in touch with us and provide as much detail as possible about the issue you are experiencing.
Our professional repair team will help assess the severity of the problem and the possibility of repair.
The customer sends or delivers the servo drive to our company. We register it in our system and prepare it for further inspection.
Our engineers diagnose the fault points of the servo drive and provide a detailed inspection report, including the final repair cost and estimated repair time.
We provide the repair quote to the customer and wait for their confirmation. If the customer agrees to the quote, we proceed with the repair.
Upon customer approval, we carry out the necessary repairs. After repairs are completed, we perform tests with the motor and conduct aging tests to ensure the servo drive operates reliably under various conditions. Once the testing is successful, we register the drive for delivery.
The customer completes the payment, and we deliver the repaired servo drive to the customer.
We provide attentive follow-up service to ensure customer satisfaction and address any further needs.
