Hey guys, I'm having trouble when connecting this heating mat to my printer:
[
uk.rs-online.com]
it's 12V so I connect it directly to the D8 port in the RAMPS board. The problem is that although it should be able to reach 300ºC according to the datasheet, I am only able to heat it up to 50ºC with the printer. I think it might be do to its resistance (20 ohm), since heating cartidges are usually 10-15 ohm, so this mat needs more current. In case my hypothesis is right, is there a way to supply it with more current? I mean with the RAMPS itself, I know I could install an external mosfet.
#define PID_MAX is already set to 255
Thank you
Edited 1 time(s). Last edit at 09/14/2021 10:44AM by unialpha.