Tag
rs-485
1 article.
- RS-485 termination: when 120 Ω helps and when it just costs you
Where the 120 Ω comes from, the loop-time test that decides if you need it, AC termination as a data-rate trade, and how failsafe bias eats your node budget.
Tag
1 article.
Where the 120 Ω comes from, the loop-time test that decides if you need it, AC termination as a data-rate trade, and how failsafe bias eats your node budget.