New controller for CIF FT 02 reflow oven

[wraper]

I'm going to design a new controller PCB for this stupid CIF-FT02 reflow oven which i reviewed and modified a while ago https://www.eevblog.com/forum/reviews/deadly-insane-design-(cif-ft-02-reflow-oven)-teardown-rant-safety-fix/ as original (safety fixed) controller just drives me nuts. Lacking of any ramp function is just insane, as on how long it is preheated it depends, will solder paste melt not completely or board gets fried at high temperatures for prolonged time. Two runs one after another are basically impossible too because of this.
So it will be basically this : http://andybrown.me.uk/wk/2014/05/11/awreflow/. I'm too lazy to do this from the scratch, so It will be original firmware or slightly modified to account door switch and fan but probably not as there is little need for that. As original PCB is huge and ordering PCB of such size is about $55 for 5 PCBs from Elecrow  (I don't want to drill new holes for smaller PCB mounting) and don't wan't to waste this expensive space needlessly, I'll put a triac on the heatsink and a small Meanwell 5V 1A SMPS module on this PCB too. 12V 3A original PSU is just insane, as there is no need nor for 12V, nor 3A.
So why I'm writing this? - as much as I know, Toploser sold quiet a few of those here. Will there be anyone interested in this controller? I could sell bare PCB + unobtanium LCD connector for about 12 EUR shipped anywhere (+some parts at their cost if needed). Or sell fully assembled PCBs (guess will be around 45-50 EUR without an LCD) if anyone wants to pay for my effort doing this. So if anyone interested, let me know. I might make a design a bit different so less modification is needed to install it. I already don't have original power connector and thing is already rewired so I don't really need to make it compatible with original connector unless someone needs it. Basically only modification needed will be cutting LCD window a bit higher and covering some part of it as this LCD is taller but narrower than original.

[wraper]

BTW I'm very likely to post design files (in Proteus) and gerbers once this is finished but again, depends if anyone is interested. I'll better not to waste my time in making clear description if no one needs it.

[Mechatrommer]

BTW I'm very likely to post design files (in Proteus) and gerbers once this is finished but again, depends if anyone is interested. I'll better not to waste my time in making clear description if no one needs it.

post it.

[mk_]

Will there be anyone interested in this controller?

yes

I could sell bare PCB + unobtanium LCD connector for about 12 EUR shipped anywhere (+some parts at their cost if needed). Or sell fully assembled PCBs (guess will be around 45-50 EUR without an LCD) if anyone wants to pay for my effort doing this. So if anyone interested, let me know. I'll might make a design a bit different so less modification is needed to install it. I already don't have original power connector and thing is already rewired so I don't really need to make it compatible with original connector unless someone needs it. Basically only modification needed will be cutting LCD window a bit higher and covering some part of it as this LCD is higher but shorter than original.

buying assembled pcb is ok for me, gerbers alone are ok too, depends on you   

michael

[wraper]

buying assembled pcb is ok for me, gerbers alone are ok too, depends on you   

michael

OK, then at least worth to bother making it compatible with original connector.

[kaz911]

I'm in too for a new board for mine

[jlmoon]

Or you could goto a place such as automationdirect.com and buy a SL9696-RRE, a type K thermocouple then  setup and be off and running in about 15 minutes for around $150.00.
 

[wraper]

Or you could goto a place such as automationdirect.com and buy a SL9696-RRE, a type K thermocouple then  setup and be off and running in about 15 minutes for around $150.00.
 

Don't think that this will be convenient to use if more than one profile is needed.

[jlmoon]

Or you could goto a place such as automationdirect.com and buy a SL9696-RRE, a type K thermocouple then  setup and be off and running in about 15 minutes for around $150.00.
 

Don't think that this will be convenient to use if more than one profile is needed.

I use one with a highly modified hot plate and control system to remove fine pin pitch quad QFP packs from pc boards.  I have not used the ramp function as of yet, only use the PID mode which works pretty well to establish a defined temp. 

[wraper]

Original controller holds the set temp too. It just cannot do proper profile.

[jlmoon]

Or you could goto a place such as automationdirect.com and buy a SL9696-RRE, a type K thermocouple then  setup and be off and running in about 15 minutes for around $150.00.
 

Don't think that this will be convenient to use if more than one profile is needed.

Actually when I go back and look at the operation of this controller I find it will do 8 profiles by 8 steps in Ramp/Soak mode,  either in 8 separate profiles or in 64 steps which might work pretty nice.  Would be nice to find the time to play with the one I have just to see. 
I finally downloaded the manual allowing me to explore all the possibilities. 

[Leo Bodnar]

wraper, have you ever finished this project? 

I have CiF FT02 oven and I have given up on its UI.

Leo

[wraper]

Well, I did not finish designing it but spent money on parts for a few controllers, LOL. And then bought vapor phase oven, which also needed a new controller (which I made) to work well  . And now I don't have any spare time at all, and don't use it anyway because vapor phase is better. So, I guess it won't be made ever. And UI is the least of it's problems. both in firmware and hardware. The most significant issues are no proper thermal profile and uneven heating.