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Old 23-01-2019, 07:15 AM
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The_bluester (Paul)
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Join Date: Feb 2011
Location: Kilmore, Australia
Posts: 3,342
It looks like the native driver is using a PID scheme to control the cooling power. I probably don’t need to worry about it too much, none of ZWOs literature even mention controlled warming at all and the ASICAP program does not have any function to slowly warm the sensor, cooling is on or it is off.

The PID functionality means that the cooling is relatively slow anyway, looks like it has a fair amount of derivative in it so it progressively increases the cooling power rather than just smashing it with a high power setting if you ask for a big reduction in temperature.

I am thinking I should set the cooling steps to zero and let the driver look after that, use the warming aid to slow the rise time on warming it up and stop worrying about the odd occasion when I have an unexpected disconnect.
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