Quote:
Originally Posted by DavidLJ
Thanks for your reply Barry.
Generally the error message that I get is “cannot connect” although when I use ASCOM Diagnostics and after selecting Choose Device → Select Device Type – Telescope → clicking the Choose button → in Ascom Chooser selecting EQMOD HEQ5/6 → making sure via Properties that EQMOD ASCOM Setup is set to the same port as the Aten serial to USB2 device → and clicking the Connect button I get a “Connected OK” message in the Diagnostics window but when the EQMOD HEQ5/6 telescope control window appears it displays in the Mount Position panel “Connect Error: Timeout”.
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Hi David,
You're using the wrong cable. The 9pin serial cable supplied by Skywatcher is not what you want for EQMod operation. You use that for hand-controller firmware updates. That cable will work with the Celestron V4 driver when that cable is connected to the hand-controller but you need a one-piece USB to serial cable that goes straight from your USB port or USB hub into the port where the hand-controller plugs into the mount -- in place of the hand-controller. Details on this cable, recommended brands and where to buy are in the EQMod documentation.
The Celestron driver will give you problems because it can't issue the full range of the commands available to the mount through that 9pin -> 4pin serial cable. For example, it will slew but not synchronize.