HOME › Forums › Input/Output › EZIOxx › EZIO2X4 – How to use I3/I4 as simple "dry contacts" › Reply To: EZIO2X4 – How to use I3/I4 as simple "dry contacts"
4.7K maybe a good choice. Is about a 1 mA load on the five volt supply rated at 20 mA and isn’t so high a real long wire length would effect how low it went when the contacts are closed.
