Using additional inputs on DIYPNP
#2
Boost Czar
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What are you tying to accomplish?
You should only be using input 1 for the A/C switch (which is used for Idle Up), into a spare input (PE1, PA0, etc.). and then you'd be using one output (ALD, WLD, etc.) for the A/C fan/compressor.
You should only be using input 1 for the A/C switch (which is used for Idle Up), into a spare input (PE1, PA0, etc.). and then you'd be using one output (ALD, WLD, etc.) for the A/C fan/compressor.
#5
Anyway, TS allows you to use the FLEX input which is wired to PE0 on MS2 which is suitable for table switching. But the flex input takes a variable value, I need to figure out what signal level to apply for "high".
Some of this stuff is documented for the BG firmware, not so much for the diyautotune daughterboard.
I need to know if I apply a 5V signal to flex/PE0 if that will cause input to go high? Cant find a spec sheet for interfacing with the microsquirt board.
Also, DIYtune said that PE1 was only input supported for table switching, but the diypnp daughterboard does not contain a PE1 input afaik.
#6
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I'd need the software in front of me to map it out.
Flex and PE0 are two seperate I/Os.
what would you be using to input 5v? does it have to be 5v?
I still don't quite understand how you implemented a/c idle up. How are you splitting a/c fan/compressor from the idle up function? it's integrated.
here's how i typically wire a diypnp:
wld - cooling fan
ald - a/c fan / compressor
pe1 - a/c switch (via input 1)
flex - clutch switch (via input 2)
pa0 - boost control
pt6 - inj 3
pt7 - inj 4
Flex and PE0 are two seperate I/Os.
what would you be using to input 5v? does it have to be 5v?
I still don't quite understand how you implemented a/c idle up. How are you splitting a/c fan/compressor from the idle up function? it's integrated.
here's how i typically wire a diypnp:
wld - cooling fan
ald - a/c fan / compressor
pe1 - a/c switch (via input 1)
flex - clutch switch (via input 2)
pa0 - boost control
pt6 - inj 3
pt7 - inj 4
#8
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their instructions do not say that. I don't think they even have documentation on using the gslender a/c idle up code including wiring for it.
If you wired 1P & PE1 in that manner, I'm assuming your a/c doesn't work at all...
Input 1 IN 1P (remove R14) OUT 1S, 1I A/C Relay & Fan
Input 2
Input 2
#12
Ok, I just teed the input out connection on mine.
Your ac is cycling as its working off the three other sanity checks in the system: high side pressure switch, low side pressure switch, evaporator temp switch.
You, like I, don't have actual control of the ac through the MS. The latest firmware has the capability to control a delay time engaging the clutch to give the idle valve a proactive approach. Then in the programmable outputs you could set it to turn off using whatever parameter available to that output.
Your ac is cycling as its working off the three other sanity checks in the system: high side pressure switch, low side pressure switch, evaporator temp switch.
You, like I, don't have actual control of the ac through the MS. The latest firmware has the capability to control a delay time engaging the clutch to give the idle valve a proactive approach. Then in the programmable outputs you could set it to turn off using whatever parameter available to that output.
#13
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1P to Input 2 In
Input 2 Out to PE1
Input 2 Out to PE1
I initially read it as:
1P to Input 1 In
Input 2 Out to PE1
and why I was confused. This makes sense to me as written, but doesn't quite correlate to what you wrote in post #1 (and maybe why I misread this post).
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