OPC MODBUS Addressing, Not Showing All Addresses

[pturmel]

@Kevin.Herron

just not using the Modbus address map at all

I heartily endorse this opinion.

Related topic:

How to create multiple similar Modbus TCP devices including registers?

If browsability is important, you might consider my Advanced Modbus Driver. No mapping needed. Configuration required if not using the default node address, though (1).