The AH500 system configuration is composed of a CPU module, power supply modules, digital input/output modules, analog input/output modules, temperature measurement modules, network modules, motion control modules, a main backplane, extension cables, and extension backplanes. Besides, an SD card is optionally Used. CPU,256K Stpes Memory,4352 I/O Points,Ethernet IP,USB,RS-232/422/485,SD Card-2 GB