iOptron ASCOM Driver and Commander for CEM120


This ASCOM Driver and iOptron Commander uses RS232 command language 2014 V3.x
Updated 6/30/2022

Minimum Requirement for this driver:
  • Direct Mount Control: Windows 7 SP1/8.1 /10/11 with .NET (dotNET) Framework 4.8 or later installed. Make sure .NET Framework 3.5 is activated in Windows 11.
  • Planetarium control via ASCOM: ASCOM Platform 6.5 SP1
  • If Commander does not launch or can't find any mount, Please add the Commander File Fold and/or 3 exe files into the Exclusions/Whit List/Exception of the Antivirus software. Here is the instruction.

iOptron Commander and ASCOM Driver
Commander and ASCOM Driver Installer 8 (Updated 5/10/2022)
Commander 8 Update Notes
Connect CEM120 to Computer with Commander
iOptron Control Command Language 2014 V3.10