FB900, FB400 The FB Series is a high performance process controller with a more advanced Brilliant II PID, autotuning, advanced tuning, selectable sampling cycle time of 0.05/0.1/0.25 second and 0.1 % of accuracy in short depth housing. - Panel space saving: 60mm depth - Numerous inputs and outputs - Multi-memory area (Up to 8 sets) - Selectable PID control algorithm - Easy-setup and Data Monitoring via a standard data port - Inter-controller Communication - Modbus support