From looking at the values from SenseA to SenseB, I suspect the DSX80 uses the same sensor and configuration as my WP80 and DXV80. Sparkybg listed the profile parameters needed to make this work (not dialed in, but work) with these irons in the post right above yours.
It looks like we SHOULD be able to compile the firmware with the most current MPLAB and XC32 compilers with the available -1 optimization. But I haven't found a good guide to set that up yet and am still fighting battles getting rid of the assorted errors and warnings I get when I try to compile the base firmware with my current setup. When (if? It might be a while...) I get it compiled and the WP80 profile in there, I'll post the firmware if that is ok by forum rules and Sparkybg is ok with it.
Oh, and my DXV80 has the same purple wire hooked up to the switch as well.
"The Sensor: Is connected to pins 3 and 4 of the plug. - The room temperature resistance of this is about 22 Ohms. - The temperature coefficient of the sensor is 0.077 ohms per degree Celsius."
So I used my hot air station to blow 350C air down the tip (tip basically inserted into the larger nozzle) for about a minute and it got up to just under 50 ohms. The math with that coefficient works out to 49.33 ohms, so that appears to be pretty close.
No, on both questions. I cannot make a profile for sometyhing that I don't have in my hands.
Ypu may use WSP80 profile end thange some of the parameters, but you will have to discover first what sensors these two irons use - TC or resistive.
My understanding is it is an RTD sensor and they are around 22-24 ohms at room temperature. I went ahead and hooked up the 120 and 5.6k ID resistors for WSP80 on the WP80 and it gives me a sensor open message on screen. I've verified that it is seeing ~22 ohms across pins 2 and 3 of J6. Wiring wise, they have heater (~7 ohms) on blue and brown wires (connected to Vout+ and Vout- respectively) and sensor (~22 ohms) on red and black wires connected to SenseA and SenseB.
Is there a profile that will work with a Weller WP80 or the Weller DXV80? I've picked up both of them fairly cheap from a local auction, but the power supply went WAY high. From my digging, it looks like the WSP80 uses a different sensor than the WP80, so won't work. The DXV80 MIGHT be compatible with the WSP80 profile, but I haven't tested it yet.
And sparkybg, great project! I had some initial issues with calibration that were traced back to an incorrect assumption on the pinout of J2. I wished I had figured that out BEFORE I managed to break two displays due to fat fingers...!
It looks like I have found my next project. I've been very happy with my Metcal (picked up for a song from a local aerospace company when the closed down) for the vast majority of soldering I do. There are only two situations where I find myself wanting something different:
1) VERY large, high power tips. Ever so often, you NEED a massive and high powered tip for a given job.
2) Desoldering. I REALLY need a proper desolding system with vacuum pump.
From the research I've done, it looks like unisolder would be a perfect for these needs (with a few extra bits for item 2.). Hopefully, I won't have to ask too many "but what part should THIS be..??" questions or the always fund "should smoke come out of all the ICs when I turn the power on???"...
