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By SethMains
#47809
I would like to introduce a delay between idle up and the output. I use idle-up to control my A/C, but it stalls my engine most of the time. This seems like an easy thing to add but I'm no programmer :)
By theonewithin
#47833
Idle up is an input not an output?

Also you can use a programmable output to do anything you like based on almost anything.
By dazq
#47838
SethMains wrote:
Mon Jan 25, 2021 5:29 am
I would like to introduce a delay between idle up and the output. I use idle-up to control my A/C, but it stalls my engine most of the time. This seems like an easy thing to add but I'm no programmer :)
I think what you need is an output setup to activate your a/c after the idleup pin is active and the rpm has risen by an amount above normal idle, perhaps 100-200rpm?
That way the output will remain off until the engine has had a chance to the increase rpm caused by the idleup input trigger.
It will also mean the AC will be switched off if the rpm drops too low , thus preventing a stall condition.
User avatar
By SethMains
#48104
dazq wrote:
Tue Jan 26, 2021 12:21 pm
SethMains wrote:
Mon Jan 25, 2021 5:29 am
I would like to introduce a delay between idle up and the output. I use idle-up to control my A/C, but it stalls my engine most of the time. This seems like an easy thing to add but I'm no programmer :)
I think what you need is an output setup to activate your a/c after the idleup pin is active and the rpm has risen by an amount above normal idle, perhaps 100-200rpm?
That way the output will remain off until the engine has had a chance to the increase rpm caused by the idleup input trigger.
It will also mean the AC will be switched off if the rpm drops too low , thus preventing a stall condition.
This could work, but the way the Megasquirt firmware does it is much easier:
Image

Here they have a delay option and a min RPM option, I'd like to see something like that in the next release :)
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