respectively. In the Basic versions, Tmin and Tmax cannot be set by the user
(through the serial connection).
5. If the measured temperature lies between +45°C and Tmax, the WARNING
LED is flashing. The open collector output (OC) is not connected to ground.
The PID regulator works normally (unless the overriding limit mentioned
before is exceeded).
6. In the Basic version SJ1 is not working;
7. Open collector (OC) is grounded, Warning LED is ON and Peltier current is
OFF at more than 70 degrees Celsius;
8. When temperature drops below 70 degrees, the driver goes back to normal
work;
9. The parameters exchanged with UART:
Tz - Temperature setpoint
Tr - Temperature measured
P - proportional parameter 0.0 - 20.0
I - integral parameter 0.0 - 20.0
D - derivative parameter 0.0 - 20.0
Example:
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