The IA-3304-U is a part of the IA-3300 Tiny modules series. This device features 4 opto isolated Digital Inputs, which can be used as non-isolated inputs as well, 4 SPST Relays output and dry contact input.
A common line is shared between each 2 relays, to ease the wiring efforts.
The IA-3304-U Baud Rate range is 1200 to 230400, and can be easily set using a software command. A built in Unique Software ID helps logistic tracking as well as Software Sales Control. Input type (Isolated or Non-Isolated), is selected by an internal jumper. Status of each Input and Output is locally displayed and may be easily set by the supplied software.
The module is software compatible to the IA-series.