Connecting and Downloading the Firmware
(Original Document)
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Prerequisites
Physically connect your PC to the CPU, BMX NOE 01•0 (firmware v2.0 or later), BMX PRA 0100, or module.
Connecting and Selecting the CPU or Module
To establish a connection and select the device, proceed as follows:
Step
Action
1
Click Start → Program → Schneider Electric → Unity Loader to launch Unity Loader.
2
Select the Firmware tab:
3
In the Connection dialog box, select the media in accordance with the chosen physical connection:
  • Ethernet: enter the CPU or module IP address in the Address field or click Scan... to detect IP addresses within a specified range.
  • USB
4
Click Connect.
NOTE: The connection is confirmed when the Connect button changes to Disconnect button. If the button does not change, verify that the CPU, BMX NOE 01•0, or module is turned on and the physical connection is correctly set.
5
Stop the CPU.
6
Depending on the device to update, proceed as follows: CPU: In the PLC dialog box, select the CPU to be updated in the window list. BMX NOE 01•0: In the PLC dialog box, select the BMX NOE 01•0 module to be updated in the window list. Module that can be updated: In the PLC dialog box:
  • Select the Module check box to list the modules.
  • Click to select the rack and module position.
  • Click OK.
7
In the PC dialog box, click to browse the PC files.
8
Select the appropriate *.ldx firmware file and click Open.
Downloading the Firmware File
Do not interrupt the update procedure before it has completed because it can cause irreparable damage to the CPU or module.
NOTICE
EQUIPMENT DAMAGE
During the download:
  • Do not power OFF the CPU or module.
  • Do not power OFF the PC.
  • Do not shut down Unity Loader.
  • Do not disconnect the communication cable.
  • Do not remove the SD card.
Failure to follow these instructions can result in equipment damage.
After connecting the device, proceed as follows to download the firmware file:
Step
Action
1
After selecting the appropriate *.ldx firmware file in the Firmware tab of Unity Loader, check if the firmware of the PC is:
  • Compatible with the CPU or module firmware. It is indicated by a green arrow between the PC and PLC dialog box. The transfer is allowed.
  • An earlier version than the CPU or module firmware. It is indicated by a yellow arrow between the PC and PLC dialog box. The transfer is allowed but it downgrades the CPU or module firmware to an earlier version.
  • Not compatible with the CPU or module firmware. It is indicated by a red arrow between the PC and PLC dialog box and the Transfer button is grayed. The transfer is not allowed. Solve the incompatibility before proceeding with the next step.
2
Check that the SD card is plugged in if one of the following devices is updated:
  • CPU
  • BMX NOE 01•0
  • BMX PRA 0100
3
Click Transfer.
Result: A Security Advice popup window is displayed.
4
Check that:
  • The PC is connected to the right device.
  • If an Ethernet connection is used, check that the displayed MAC address corresponds to the device MAC address.
5
Click Yes to start downloading the firmware file.
Result: The Transferring data to PLC window is displayed with the remaining time. The duration depends on the protocol used and the PC configuration.
6
In the Transferring data to PLC window, check if the download is completed.
Result: The Firmware upgraded successfully message is displayed when the download is completed.
NOTE: If this message is not displayed, check each step and contact your local Schneider Electric office for assistance.
7
Click Close.
Result: The device is automatically reset once the download of the firmware file is completed.
Checking the Version
To check the new firmware version of the device, follow this procedure:
Step
Action
1
Connect the PC to the device.
2
Launch Unity Loader software.
3
Select the Firmware tab.
4
Establish a connection with the device.
5
In the PLC dialog box, check the version displayed.