Cumming, GA — June 12, 2013 … AutomationDirect has added discrete and analog I/O modules to the CLICK PLC line. Available 24 VDC combination discrete modules include eight-point DC input/eight-point DC sinking or sourcing output models priced at $59; a four-point DC input/four-point relay output model is also available, priced at $49. Available 24 VDC…