The article illustrates techniques for generating parallel logic outputs with industrial serialized digital inputs.

There are two types of digital input, differentiated by their power source: isolated and non-isolated. Non-isolated inputs are powered by a common source. For example, the wiring diagram shows a ...

Troubleshooting PLC Digital Input Modules, Part 2. If input power is missing, the causes can be such things as blown fuses, broken wiring, or broken connections. June 4, 2010. 2 min read . In our ...