Choice primarily on the basis of PLC power output device type and the number of voltage levels may be.
选择时主要根据PLC输出设备的电源类型和电压等级的多少而定。
The output voltage of controller exerts an influence on thermal resistor so as to change gain characteristic in regulation circuit, thus the transmission levels being stabilized.
通过导频控制器的输出电压控制热敏电阻，从而改变调节网络的增益，达到稳定传输电平的目的。
应用推荐