H2u series PLC belongs to the second generation of small-scale PLC of Huichuan. It is a general-purpose PLC. The points are comprehensive, ranging from 20 to 128 points, and the maximum can be expanded to 256 points. The host comes with 3-axis high-speed positioning output, 6-channel high-speed counter, and 3 serial ports are available. CAN communication and Ethernet communication can be realized through the expansion card. There are various types of temperature, analog expansion modules. It is a suitable choice for almost machine.