fire alarm with motor control Explaining how the circuit works, the stages of circuit work, its benefits, types, and places of use. And the mechanism of using programming in it

23. In a DC servo motor system, the tachometer feeds back a voltage that's proportional to motor speed. Where does this voltage go to? A. The driver B. The interpolator card C. The axis logic card D. The CPU in the main controller xis logic card for a stepper motor system and are used to

Needs Complete typed solution with 100 % accuracy.

23.a. The S functions of an industrial controller are normally used to control theA. tooling selection.B. coolant pump and other motors.C. software delays.D. spindle speed.23.b. The type of motor that’s used with an older indexer controller is theA. brushless motor.B. three-phase stepper motor.C. stepper motor.D. DC servo motor.

14.a. An encoder is a device that is used toA. excite the motor's interpoles.B. feed pack position information.C. reduce brush sparking.D. commutate the field windings.14.b. The letters CEMF are used to describeA. centrifugal forces within a motor.B. the portion of the supplied current that is converted to heat.C. countervoltages and currents created within a motor.D. critical winding currents that should not be exceeded.

5. Below which is not a statement from an open loop control system is.... a. Less stable and less preciseb. Harder to makec. Relatively little power requirementsd. Impossible to obtain on an open systeme. stability is not the main problem

Q4/ Chose the correct answer for the following 1. In BLDC motor field winding is kept on a) Stator b) Rotor c) Can be placed anywhere d) Absent 2. By electronic circuitry BLDC can be controlled for both constant and variable torque operation. a) True b) False 3. In medical fields which DC motor is widely used? a) PMDC b) BLDC 4. Construction of BLDC is exactly similar to the a) Conventional DC motor c) Permanent magnet synchronous motor b) Induction motor 5. Typical brushless motor doesn't have a) Commutator b) Permanent magnet 6. The sensor most commonly used in the BLDC motor is a) Thermo Sensor b) Relay Sensor c) Brushed DC motor d) Cannot be determined d) Totally different construction c) Electronic controller d) Fixed armature c) Hall Sensor d) Power Sensor

What is set point in control systems?

9.a. A servo system is oscillating at standstill. This is an indication thatA. the following error limit has been exceeded.B. a motor winding is open.C. the system gain is too high. 9.b. In a DC servo motor system, the tachometer feeds back a voltage that’s proportional to motor speed.Where does this voltage go to?A. The interpolator cardB. The driverC. The CPU in the main controller

- Industrial Motor Controls 16.a. What would happen if the input device PX1 failed to produce an output, causing no input on IN14 ofthe roll stand's PLC?A. Both motors M2 and M3 would run until they tripped their overloads.B. The arms would not lower after the roll of paper was finished and the arms lower push button is pressed.C. Motor M1 for the hydraulic system would keep running.D. The arms would continue to open until LS1 and LS4 actuate.16.b. After replacing a faulty CPU module, what is the next action you should take?A. Check the power supply service voltage.B. Issue a RUN or START command.C. Reprogram the user memory with ladder logic.D. Reset the watchdog timer.