2.5 V level without string resistor input to PWM port, 10 V level PWM input from 0-10 V port or string 10 K resistor in PWM port input, 12 V level string 3.9 K resistor from 0-10 V port input or string 13.7 K resistor In the PWM port input, 24V level string 16.8K resistor from 0-10V port input or string 27K resistor in PWM port input.
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