FL1E smartRelay available from IDEC (17/12/2008)... Block or Ladder Diagram language. Cables are available in either RS232 or USB connection.WindLGC operates on Windows 95, 98, NT, 2000, ME, XP and VISTA.The FL1E smartRelay has worldwide approvals – cULus, CE, C Tick, IEC61131/VDE0631 and ...