Nps Drive Automation Pvt. Ltd. Manufactures Haptic Human Machine Interface Boards. Nps Drive Automation Pvt. Ltd. Also supplies products like Frequency Inverter, Servo Ac Motors, Three Phase Ac Motors, Servo Inverters, Gear Boxes, Geared Motors, Automation Technology, Brakes, Clutches, electromagnetic Clutches, servo Motors etc. Haptic Human Machine Interface Boards are touch screen HMI that are available in 4 models i.E. H502, H505, H510 and H520. The Haptic Human Machine Interface Boards is available in grayscale and colour display. The Haptic Human Machine Interface Boards are made of high resolution ranging from 4" to 10.4".