supply of control of electrical machines lab equipments - automatic rotor resistance starter using plc with starting resistance of 20ohm n start and stop switches n 4 nos. of 3 phase 16a contactors n inputs to plc and outputs from plc n provision to wire external resistances in the rotor circuit n institute has to provide 9 external resistances to be connected in the rotor circuit provision to wire control and power wiring n screen printed board, powder coated ms tube stands, back cover n detailed instruction manual n 3 transformer oil test kit n input voltage 230v, single phase n output 0-60kv n test cup, transparent hood, interlocking switch n ht on switch starting at zero voltage n tripping current: 2.5mm gap – 10 / 20ma n sample transformer oil n 4 acidity test kit 5 lift working model using plc n 3 floors ( ground plus two floors ) sheet metal model n floor request switches and floor sensing switches – 6 inputs to plc n cabin – stepper motor with controller / geared dc motor with forward and reverse control n proper termination to wire inputs and outputs to plc n 6 water level working model using plc n level sensors as input to the plc n water tap as output from the plc n water pump motor control using outputs of the plc n water tank with sump and overhead tank model n 2 levels sensor switches and 12 v pump n 24 v solenoid valve to drain water, 12 v and 24v power supply n foot valve arrangement to take the water from the sump n 7 conveyor working model using plc n sloped conveyor with shawl sheet metal model n proximity sensor to sense the shawl - input to plc n start, stop push switches and fwd / rev toggle switch, buzzer output to give alarm n conveyor belt with geared dc motor drive n