I'am a engineer of CHINA COAL.I take charge for programe control in COAL PREPARETION PLANT .Our pc which had configure software had a malfunction three days ago,We have no way but to reinstall FIX32 software.It had a problem > to communicate PC Interface Module(pcim) with GENIUS BUS (plc70-90).The faceplate' OK LED are all off,No matter how we reset DIP switch and configure parameter(IO address,Memory address etc) ,we cann't successfully finish the FIX32 normal communication. > Waiting for your help,Give my best wishes. yanjun041@sohu.com