![]() the supply voltage should be from 187 to 264 VAC or 108 to 132 VAC for a 120 VAC VFD. Step 1: Measure the supply voltage to the VFD on the L1, L2 (or N), and 元 (if connected to three phrase power). Power off/on is required to start digital module with the new software.įor controlling new software, check the “Receiver Upgrade” option.Īrea 1: The input voltage can be too high, or there may be a high level of electrical noise.Īrea 2: The motor can be generating a voltage that is acting like an input to the VFD output motor terminals. A message prompt is displayed to notify user about end of revert process.Ħ. Digital module disables the previous software in the flash.ĥ. If CRC check is successful, then force_upgrade.bin file is written into flash unused slot.Ĥ. A lower version than the software in flash can be loaded with revert operation.ĭigital module performs only CRC check. This file should be named force_upgrade.bin.ģ. Copy the bin file into the USB flash memory root directory. ![]() In the revert operation, file name should be f_up.bin. ![]() Revert operation is very similar to upgrade process. With revert operation, it is possible to downgrade the software. After the reset, digital module starts with new software. Digital module disables the previous software in the flash and then a system reset is performed.ĥ.
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