The 150 MeV proton FFAG accelerator complex in KURRI is now in the final stage of construction. This accelerator complex will be served as the proton driver for for the feasibility study of accelerator driven subcritical reactor (ADSR). The control system for this FFAG accelerator complex is based on conventional PCs and programmable logic controllers (PLC) on TCP/IP network. The databases of parameters for connected devices are maintained by PLCs and these can be accessed by any type of equipments or higher integrated applications as long as they can handle the conventional network connection. We report the current status of the controlling system and future upgrades for the beam commissioning of our FFAG complex.