The "N-EM" are a series of emulators that provide the students the required hardware to emulate the most common automatic systems.
The "N-EM" modules are designed to work with the "AE-PLC" units to obtain the fundamental knowledge of PLC programing, PLC management, etc.
"N-EM-CACV" represents a vehicle feeding control system in a tequila manufacturing industry. The system use two conveyor belts and pumps to transport the material through the different stages of the process till the final container. The different switches and pushbuttons emulate the level sensors, the presence sensors, etc.