The expansion I/O modules include basic DI/O, AI/O and other communication modules, also include thumbwheel switch input module, 16/7 segment LED display module, 8 types (J, K, R, S, E, T, B, N) thermocouple, Pt100, Pt1000 RTD temperature measurement modules. There is also a new additions to the range including load cell module used in weighting, potential meter module used in measuring position, and a user-friendly voice module.