The new PLC-INTERFACE Ethernet Gateway from Phoenix Contact combines relays and communication in one modular system.
A 10k ohm potentiometer is connected to an analog input. Turning it translates into values in the range [0-1023]. An attached SSR is connected to a water heater. By turning the SSR on and off, it is ...
The Internet has spoiled us. You assume network packets either show up pretty quickly or they are never going to show up.