How to do a coupler software update?
Always consider, before you do a software update "Never touch a running system! ! !" The update should be done by major problems with the coupler and than only in accord with Beckhoff.
step 1: click Online.
step 2: hover onto Coupler and click Firmware Update...

step 3: choose the file and click open (öffnen). (example filename: BC9000B900.hex)

step 4: The following menu will appear. If you have chosen the wrong file click Select... otherwise click Start.

Don't do anything while the update process is running.

step 5: the update process is completed. click OK
