Digital inputs (DI):
Designed to read TRUE / FALSE logic states represented by direct voltage levels (voltage / no voltage). Suitable for reading two-state sensors such as:
All digital inputs on Unipi Edge, Unipi Patron, Unipi Neuron, Unipi Axon and Unipi Extension devices feature counter functionality, ie. are equipped with a counter that is able to detect long pulses as well as very short high-frequency pulses.
Digital outputs (DO):
Serve for control of external switching elements such as relays/contactors or SSR relays (silent semiconductor relays with PWM option). Both positive and negative power supply poles can be switched by DOs.
Digital outputs on Unipi devices also feature the PWM (Pulse Width Modulation), ie. a discreet modulation for transmitting analog signal using a two-state signal (eg. for dimming LED lighting via SSR relay).
Analog inputs (AI):
Analog inputs are used to measure voltage, current and resistance and are suitable for collecting data from analog sensors.
As such, AIs are suitable for reading values from both passive and active analog sensors.
Unipi Edge variants containing analog inputs supports these measurements modes:
These modes are available on different inputs according to analog modes table.
For detailed info and technical parameters of inputs and outputs, please visit the following subcategories:
