Exam 6: Special Purpose Motor, Control Devices and Programmable Logic Controllers

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PLC modules get their power and data communication over the backplane.

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The stepper motor is capable of incrementally controlling the velocity, distance, and direction of its mechanical load.

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Match the features to its motor . -Very precise

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Match the benefit to its motor . -Can operate continually at low speed

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If the contact symbol on a PLC ladder logic rung is an examine on, then

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The best PLC language for a program that has a large number of numerical calculations in addition to the control requirements is

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Match the Sequential Function Block description with the correct term. Terms can be used more than once. -Box with the double outside lines

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The micro -stepping mode generates small stepping angles through motor current control via PWM of the excitation voltage of the rotor windings.

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Match the features to its motor . -Low efficiency

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Which of the following is not an excitation mode of a stepper motor?

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In an AC servomotor, the voltage applied to the fixed winding and the voltage applied to the control winding are either in phase or ninety degrees out of phase.

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Match the Sequential Function Block description with the correct term. Terms can be used more than once. -Expression that moves execution to the next block

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Match the Sequential Function Block description with the correct term. Terms can be used more than once. -Box in which the action description or output statement is placed

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Match the features to its motor . -Poor reliability

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Match the Sequential Function Block description with the correct term. Terms can be used more than once. -Box where the action qualifier dialog box link is found.

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The best PLC language for doing PID control is

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Match the Allen Bradley SLC 500 register symbol with the register function. -O

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The machine architecture for a PLC is the same as that used for a personal computer with the exception of a hard drive.

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Match the Allen Bradley SLC 500 register symbol with the register function. -S2

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Use the following ladder logic rung when matching the following answers. ‪ Use the following ladder logic rung when matching the following answers. ‪   -DrainShut is active if -DrainShut is active if

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