TI's Thomas Kugelstadt offers a number of technical fixes for RS-485 bus signal polarity correction (POLCOR) in industrial control systems. POLCOR used to be rare. Now, it results from any of a number ...
With RS-485 networks, there are periods of time when no driver is actively driving the bus, such as when one driver relinquishes the bus to another driver. During this time, the termination resistors ...
2) And, is it possible to drive more than 32 unit loads? To answer the first question we look at a typical RS-485 data link shown in Figure 1. Figure 1. Typical RS-485 data link. Observe that, in ...