BMX P34 2010 or BMX P34 2030 Specific Update Procedure
(Original Document)
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Overview
To update a BMX P34 2010 CANopen CPU or BMX P34 2030 CANopen CPU to a BMX P34 20102 CANopen2 CPU or BMX P34 20302 CANopen2 CPU:
  1. Transform (with an update) the CPU to reach a new CPU reference (BMX P34 20102 or BMX P34 20302).
  2. Update the BMX P34 20102 or BMX P34 20302 CPU with the new firmware.
  3. Reset the CPU.
NOTE: When a CPU is updated, the marking on the front panel and on the label is no longer consistent.
Prerequisites
The complete update has to be performed at once: prepare the CPU then download the firmware.
Physically connect your PC to the CPU.
Connecting and Selecting the CPU
To establish a connection and select the CPU, 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 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 is turned on and the physical connection between the PC and the CPU is correctly set.
5
Stop the CPU.
6
In the PLC dialog box, select the CPU to be updated in the window list, if necessary.
7
In the PC dialog box, click to browse the PC files.
8
To update the CPU from a BMX P34 2010 or BMX P34 2030 to a BMX P34 20102 or BMX P34 20302, select the Bmx2010_to_20102_B.ldx or Bmx2030_to_20302_B.ldx 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.
NOTICE
EQUIPMENT DAMAGE
During the download:
  • Do not power OFF the CPU.
  • 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 CPU, proceed as follows to download the initial update 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 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 firmware. It is indicated by a yellow arrow between the PC and PLC dialog box. The transfer is allowed but it downgrades the CPU firmware to an earlier version.
  • Not compatible with the CPU 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
Click Transfer.
Result: A Security Advice popup window is displayed.
3
Check that:
  • The PC is connected to the right CPU to update.
  • The displayed MAC address corresponds to the CPU MAC address in case of an Ethernet connection.
4
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.
5
In the Transferring data to PLC window, check if the download is completed.
Result: The Firmware upgraded successfully message is displayed.
NOTE: If this message is not displayed, check each step and contact your local Schneider Electric office for assistance.
6
Do not reset the CPU.
Update the BMX P34 20102 or BMX P34 20302 CPU:
Step
Action
1
Select the file to update the updated CPU now considered as a BMX P34 20102 or BMX P34 20302.
2
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 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 firmware. It is indicated by a yellow arrow between the PC and PLC dialog box. The transfer is allowed but it downgrades the CPU firmware to an earlier version.
  • Not compatible with the CPU 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.
3
Click Transfer.
Result: A Security Advice popup window is displayed.
4
Check that:
  • The PC is connected to the right CPU to update.
  • The displayed MAC address corresponds to the CPU MAC address in case of an Ethernet connection.
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.
NOTE: If this message is not displayed, check each step and contact your local Schneider Electric office for assistance.
7
Click Close.
Result: The CPU is automatically reset once the download of the firmware file is completed.
NOTE: To check the new version, refer to Checking the Version.