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Since the temperature of a printhead has a great influence on the processing of the ink used, it is important to keep it stable within the intended range.
Our print modules contain a circuit part for the evaluation of temperature sensors.
The sensor-specific characteristic curve is transferred to the system by specifying a function expression.
A PID control process executed completely autonomously on one of the processors of the SoC takes over the control of a PWM-capable switching stage with a output that is connected to the heating element of the printhead.
The printhead temperature is cyclically reported by the print module to the connected print server, which then transmits it to the machine controller, which is usually run on a PC.