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

Select the correct input logic contact for the following situation. Field device is NO, the rung output should be on or active when the field device is not activated.

Match the features to its motor . -High torque power

Light is alternately passed and blocked to the light sensor as the optical encoder disk rotates.

DeviceNet, ControlNet, and Internet/IP are all international standards used by PLC vendors.

The RTO timer in an SLC 500 PLC must use a reset command to force the accumulator back to a zero value.

The figure of merit is a number that provides an objective method of determining the relative ability of a permanent magnetic motor.

Match the Allen Bradley SLC 500 register symbol with the register function. -F8

DeviceNet and ControlNet use scanner modules to interface to the PLC.

Match the Sequential Function Block description with the correct term. Terms can be used more than once. -Box where the step configuration dialog box link resides

Match the Allen Bradley SLC 500 register symbol with the register function. -B3

Match the benefit to its motor . -Operates at a stalled condition for long periods of time

Match the features to its motor . -High to medium speed range

The accumulator of an SLC 500 PLC counter changes one count for every false -to -true transition at the input to the counter.

Match the advantage to its encoder. -Provide high -speed line drivers as a serial output

Soft PLC in the Allen Bradley system is PLC software that runs on a personal computer.

Match the SLC 500 TON timer input and output condition with the correct description of timer operation. -Timer done bit

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

Match the advantage to its encoder. -Does not depend on a count to determine position

Match the features to its motor . -Low torque power

Which of the following statements is NOT correct for a subroutine command in the SLC 500 PLC language?