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Discuss Stepper motor interfaced to the 82C55.
A stepper motor rotates into steps in response to digital pulse input. There shaft of the motor rotates in equivalent increments while a train of input pulses is applied. For controlling direction, no. of steps to appropriate pulses is applied to the stator windings of the motor.
There 12 V supply is used to energize the poles. All pulses sent by the microprocessor switch on rated voltage to the windings of the needed poles. A delay subroutine is incorporated during the program. After energizing one set of pole windings some delay is given, then the power supply is switched on the other set of pole windings. That delay governs the speed of motor.
8255 connection to stepper motor
using a combination of uniselectors and two motion selectors, draw a schematic of thousand line exchange and explain its working
if the prime mover input of an alternater connected directly to an infinite bus in increased,then its?
The various flags are: - Sign flag, Axillary flag, Zero flag, Parity flag, Carry flag.
Q. Assumption of capital asset pricing models? 1) Investor; s objective is to maximize the utility of terminal wealth: investor aims at maximizing the utility of hi9s wealth r
Magnetic circuits To see how this is used in practice, consider a coil of N turns wound onto a closed ring shaped former with a very high (note: r (steel) = 200
Q. For a JKFFwith JK = 11, the output changes on every clock pulse. The change will be coincident with the clock pulse trailing edge and the flip-flop is said to toggle, when T = 1
Phenomenon - Fet operation: For either improvement- or depletion-mode devices, at drain-to-source voltages very much less than gate-to-source voltages, changing the gate volta
What is transfer function
Suppose we have a coil wound onto a ring of material with relative permeability µ r . Provided that the relative permeability µ r >> 1, then the magnetic flux lines will s
Switching Characteristics Switching characteristics are also know as dynamic or transient characteristics these characteristics give the information about the time varia
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