Easysolar II GX 48/5000/70, as per the title the system has lost visibility of the VE-Direct connected battery monitor corresponding with the point 3 days ago when i updated the GX device to 3.51.
I have tried unplugging and replugging the VE-Direct cable and waiting several hours each time for it to show up.
I am hoping someone here might recognise the problem and point me to the obvious solution 
Often after firmware updates it is worth rebooting a second and sometimes a third time to sort issues like this.
If no joy then go back to the previous stored firmware. If it reappears then raise the issue in the new gui topic.
https://community.victronenergy.com/t/venusos-v3-50-gui-v2-issues-suggestions/9658/99
I have now used a SmartShunt plugged into the VE.direct cable and port that the BMV-700 used. The SmartShunt is seen immediately and its information is incorporated into VRM etc.
The BMV-700 is still in place and still gives very plausible readings on its display. I just can’t get those readings back to the GX device or VRM.
So now I have two VE.direct meters and an EasySolar II GX with only one visible VE.Direct port. If the BMV-700 VE.direct were to work again, is there a way to connect it to the EasySolar II GX?
Use the USB port and a USB/vedirect adapter.