PT100 + Themocouple config

akrepsianka

Hello

After having problem with termistor i bought PT100 sensor and Thermocouple for pt100.
its arriving tomorrow and i want to know how should be my config for pt100 sensor

Below is my current config for heater section

M143 S260 ; Set maximum heater temperature to 260C
M143 H0 S110
M305 P0 T100000 B3950 C0 R4700 ; Set thermistor + ADC parameters for heater 0
M305 P1 T100000 B3950 C0 R4700 ; Set thermistor + ADC parameters for heater 1
M307 H0 A357.9 C296.8 D2.6 B0 S0.8
M307 H1 A730.8 C243.5 D6.2 B0 S0.8

What i have to change to adapt pt100 sensor?

dc42

See the PT100 page linked to form the Hardware and Wiring section of the wiki. It covers the firmware configuration too.

akrepsianka

is this correct?

M143 S260 ; Set maximum heater temperature to 260C
M143 H0 S110
M305 P0 T100000 B3950 C0 R4700 ; Set thermistor + ADC parameters for heater 0
M305 P1 X200
M307 H0 A357.9 C296.8 D2.6 B0 S0.8
M307 H1 A730.8 C243.5 D6.2 B0 S0.8

dc42

Yes that looks current for a single PT100 sensor used to measure the hot end temperature.