... : power module, PLC module, input module, output module, relay module, extension module and air-capacitor module. (Later on) ... Hydraumatic experiment PLC electric control system 1set,Hydraumatic experiment relay control module 1set,Hydraumatic experiment pump station 1set ( ... (programmable logic controller): Mitsubishi FX2N-16MR type mainframe (relay output mode)3 Input module: connect with PLC by ...