The FMT-400 range is a family of modular programmable controllers supplied as panel mounting units, module rack options are available with 5 or 10 slots for I/O modules plus space for the CPU and PSU modules. There is available a choice of 3 CPU (central processing unit) options. Analogue & Digital I/O come in many different formats, including 16 or 32 channel digital I/O modules, 12-bit analogue I/O modules, PT100, K and J type thermocouple modules. Upto 4 fieldbus modules can be fitted and the system is expandable upto 16 racks in total. The FMT-400 range is programmed using Colter's Flex32 programming software as are all the other programmable controllers in the Colter FMT / BIS range