RS-485 network interface module is a programmable   communication module with CPU, which adopts X86 series 80188. User can program   as needed, fulfill communication and control with the communication software   interface provided by Googol Technology. RS-485 network interface module has a   RS-485 and RS-232 user interface, a PC104 standard bus interface connected with   motion controller, which can be inserted into Googol motion controller and   establish an economical network motion control system. At the same time, Googol   Technology provides human-machine control interface module with RS-485 network   function and Chinese display module to facilitate establishing network control   system.