We are offering relay control system. Simulated electronic relay using high speed ic'ssimulated 2nd order linear plant. Facility for displaying x & x signalingdead zone variable from 0 - 600 mvhysteresis variable from 0 - 500 mbuilt-in signal sourcesine & square amplitude : 0 - 1 v (min)variable frequency : 10, 20, 40, 80, 100, 200, 400, 800 & 1000 hzic regulated internal power supplies.