- Computer with latest released PCM600 and REX640 connectivity package versions. It is recommended to use the latest REX640 connectivity package available in the Update Manager.
- Up-to-date projects in PCM600 containing all the relays under modification
- Modification Sales package delivered as a .zip file
- CAT 6 Ethernet cable
- Adequate access rights to perform software update for the relay
CAUTION: As the relay is in the factory default configuration state after the update process, ensure that the current configuration of the relay under modification is available in the PCM600 project. If needed, select Read from IED before starting the update process.