Maintenance and Troubleshooting
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7.4 Instructions for Using the USB Flash Disk for Upgrade
Upgrading the PLC firmware
Operation procedure:
1. Obtain the PLC firmware upgrade package from Inovance.
2. Copy this package to the root directory of the USB flash disk, insert the USB flash disk to the USB
port of the PLC, and wait until the automatic upgrade is completed.
Precautions
● Do not modify the name of the PLC firmware upgrade package.
● Place the PLC firmware upgrade package only under the root directory of the USB flash disk.
● Before the upgrade is completed, do not remove the USB flash disk. Remove the USB flash disk only
after the automatic restart following the update.
● If you remove the USB flash disk before countdown, the upgrade does not start. The firmware
upgrade starts after countdown. At this time, if you remove the USB flash disk, the upgrade result is
unpredictable. That is, the upgrade may succeed or fail.
● Do not power off the controller during the firmware upgrade.
Upgrading the user program
Operation procedure:
1. Choose Compile > Pack User Program to generate a user program package.
PLC type: Retain the default value.
Runtime: Retain the default value.
App name: Retain the default value.
Initialize after upgrade: If you select Yes, the data saved upon power-off will be initialized. If you
select No, the data saved upon power-off will not be initialized.
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