Firmware Update with Unity Loader

Overview

You can update the firmware for the BMECXM module by downloading a new firmware version with Unity Loader. The minimum version for Unity Loader is V11.0.

The firmware download can be performed by connecting to the Ethernet network.

Refer to the Unity Loader, User Guide for a description of the download procedure.

Password

A firmware password is set in Control Expert and sent to each BMECXM module firmware. To access the Control Expert password in the Project Browser, right-click Project → Properties of Project → Protection.

To perform the update, check that the password set in Unity Loader matches the password set in Control Expert.

Preparation

Before performing the firmware update:

Check that the FTP service is enabled.
Stop the PLC.
Open Unity Loader on your PC. (Start → Programs → Schneider Electric → Unity Loader).

WARNING

UNKNOWN OPERATIONAL STATE OF EQUIPMENT

Evaluate operational state of equipment before stopping the PLC.

Failure to follow these instructions can result in death, serious injury, or equipment damage.

NOTE: If you do not stop the PLC before trying to transfer firmware, you are informed by Unity Loader that the PLC must be stopped. After confirming this message, Unity Loader stops the PLC automatically.