The EL3164 module is used to interface digital signals with a Beckhoff PLC system.
The EL3164 module supports various input types, including:
NPN: Non-energized (active low) digital inputs.
PNP: Energized (active high) digital inputs.
2-wire DC sensor: Allows direct connection of 2-wire proximity switches or other 2-wire DC sensors.
3-wire DC sensor: Supports 3-wire DC sensors with separate power supply.