Enda euc442 230vac rs pid temperature controller enda euc442 230vac rs p the enda euc442 230vac rs is a pid universal programmable digital temperature controller with a selectable relay the euc442 has been engineered with a 0 to 20ma control power output and is capable of soft starts and self tuning operations p p a configurable no or nc relay can provide operators with 4 variations of output types needed for alarm output production it is also compatible with pt100s and thermocouples