The system is designed for the current Rising setup. This means the maximum number of tanks is 4 each with 8 detectors attached. But this is only fixed in the design of the front panels, and could be expanded with little effort.
Besides the high voltage control the system will run on only one pc. This leads to a not too complex class hierachy. (for example the config-GUIs can be included in the classes which represent the hardware interfaces.)