Which of the following is the issue If the processor module indicator lamp is solid green? -
ANSWER Controller is operating properly
Which input will reset both counter instructions? - ANSWER PB2
Which document lists the actions that a machine makes to perform its function? -
ANSWER Sequence of operations
Which type of plc instruction is below? - ANSWER OTE
Forcing on an output instruction will affect all of the following EXCEPT? - ANSWER
outputs modules output point
__________ indicators are often the best sign of a problem with the power supply. -
ANSWER Status
Which of the following troubleshooting methods can eliminate the need to test a large
portion of a system with one test? - ANSWER Half-Split Method
In the program, what happens when SS1 is closed? - ANSWER Pump Motor Starts
What step should be taken before troubleshooting the operation of an input device and its
interaction with the plc program? - ANSWER Disable outputs in PLC
1
, Which of the following failures is easier to troubleshoot because it affects the entire PLC
system? - ANSWER Power Distribution
Troubleshooting a ControlLogix processor requires using the processor's __________
indicators to determine the operating condition of the processor. - ANSWER Status
Effective troubleshooters follow a(n) __________ step process when troubleshooting. -
ANSWER 6
What else is used to troubleshoot a PLC besides the status indicators and PLC software? -
ANSWER LCD screen of a PLC
Which of the following triggers the start of each step in an event-driven sequence program?
- ANSWER An input triggered by the completion of the previous step
If a PLC's input indicators are correct but expected outputs are NOT produced, what is the
first step to troubleshoot the problem? - ANSWER Verify if the controller is in run mode
RSLinx is a collection of __________ to connect programming software in the PC to Allen-
Bradley controllers such as ControlLogix, SLC-500, PLC-5, and other devices. - ANSWER
Drivers
Which of the following is the plc symbol shown? - ANSWER XIO
Which of the following indicators turns solid green when the PLC processor is successfully
executing the program? - ANSWER Run
Which is the most likely fault in a PLC system if a PLC output instruction is on in the logic
program and control power is on, but there is no output voltage at the output terminal? -
ANSWER Output Point on the output module is bad
2
ANSWER Controller is operating properly
Which input will reset both counter instructions? - ANSWER PB2
Which document lists the actions that a machine makes to perform its function? -
ANSWER Sequence of operations
Which type of plc instruction is below? - ANSWER OTE
Forcing on an output instruction will affect all of the following EXCEPT? - ANSWER
outputs modules output point
__________ indicators are often the best sign of a problem with the power supply. -
ANSWER Status
Which of the following troubleshooting methods can eliminate the need to test a large
portion of a system with one test? - ANSWER Half-Split Method
In the program, what happens when SS1 is closed? - ANSWER Pump Motor Starts
What step should be taken before troubleshooting the operation of an input device and its
interaction with the plc program? - ANSWER Disable outputs in PLC
1
, Which of the following failures is easier to troubleshoot because it affects the entire PLC
system? - ANSWER Power Distribution
Troubleshooting a ControlLogix processor requires using the processor's __________
indicators to determine the operating condition of the processor. - ANSWER Status
Effective troubleshooters follow a(n) __________ step process when troubleshooting. -
ANSWER 6
What else is used to troubleshoot a PLC besides the status indicators and PLC software? -
ANSWER LCD screen of a PLC
Which of the following triggers the start of each step in an event-driven sequence program?
- ANSWER An input triggered by the completion of the previous step
If a PLC's input indicators are correct but expected outputs are NOT produced, what is the
first step to troubleshoot the problem? - ANSWER Verify if the controller is in run mode
RSLinx is a collection of __________ to connect programming software in the PC to Allen-
Bradley controllers such as ControlLogix, SLC-500, PLC-5, and other devices. - ANSWER
Drivers
Which of the following is the plc symbol shown? - ANSWER XIO
Which of the following indicators turns solid green when the PLC processor is successfully
executing the program? - ANSWER Run
Which is the most likely fault in a PLC system if a PLC output instruction is on in the logic
program and control power is on, but there is no output voltage at the output terminal? -
ANSWER Output Point on the output module is bad
2
