Hi All -
Am working on a design using the AMD2687 for an grid biomass project.
There are multiple drops across 1500ft.
Power is 24V DC and there are some large pumps and stirrers drawing >50A with significant spikes.
How should I handle the RS-485 gnd ?
I have seen designs where it is tied to local ground through 100 -> 1k resistors.
Your app notes mention Y2 safety caps, but there is no AC in the system.
It does not seem right to just let it float.
This is a new area for me and would appreciate any help and apologize if the question is too trivial...