Firmware Update

Introduction

You can update the CPU firmware by downloading a new firmware version with Unity Loader.

Download the firmware through a connection to one of these:

NOTE:

For a description of the download procedure, refer to the Unity Loader, User Manual.
When using an M580 Hot Standby configuration, refer to the Modicon M580 Hot Standby System Planning Guide for Frequently Used Architectures.

Enabling CPU Firmware Update

To enable the firmware update, check the CPU security settings.

Firmware File

Select the firmware file (*.ldx) that is compatible with your CPU.

Update Procedure

Interrupting the update procedure before it has completed can cause irreparable damage to the CPU.

NOTICE

EQUIPMENT DAMAGE

During the transfer of the firmware file:

Failure to follow these instructions can result in equipment damage.

Update the CPU and BMEXBP••00 rack firmware:

Step	Action
1	Install Unity Loader software.
2	Connect the PC that is running Unity Loader to the CPU.
3	Launch Unity Loader.
4	Click Firmware tab.
5	In the PC list box, select the .ldx file that contains the firmware file.
6	When connected with Ethernet, check that the MAC address indicated in the PLC box corresponds to the MAC address marked on the CPU.
7	Check that transfer sign is green to allow transfer from PC to CPU.
8	Click Transfer.
9	Click Close.