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What is the primary function of input interface modules in a controller?

• Convert signals from the machine or process devices into signals that can be used by the controller

• Filter the signals from the machine or process devices

• Convert signals from the controller into signals for the machine or process devices

• Amplify the signals from the machine or process devices

What is the primary function of output interface modules in a controller?

• Amplify the controller signals

• Convert controller signals into external signals

• Filter the controller signals

• Convert external signals into controller signals

What does Distributed I/O refer to in the context of a PLC system?

• Inputs and outputs located at a machine and controlled remotely from the PLC

• Inputs and outputs located remotely and controlled locally from the PLC

• Inputs and outputs located remotely and controlled remotely from the PLC

• Inputs and outputs located at a machine and controlled locally from the PLC

What is a rack referred to when it is located away from the processor module?

• An external rack

• A remote rack

• A local rack

• A distant rack

What is the advantage of using a fiber optic cable between the CPU and I/O rack?

• It allows for operation of I/O points from distances greater than 2 miles with no voltage drop

• It allows for operation of I/O points from distances greater than 20 miles with no voltage drop

• It allows for operation of I/O points from distances less than 20 miles with no voltage drop

• It allows for operation of I/O points from distances less than 2 miles with no voltage drop

What is the advantage of using a coaxial cable for remote I/O installation?

• It allows remote I/O to be installed at distances greater than 20 miles

• It allows remote I/O to be installed at distances greater than two miles

• It allows remote I/O to be installed at distances less than 20 miles

• It allows remote I/O to be installed at distances less than two miles

What does the memory system of a PLC store?

• Information about the manufacturer of the PLC

• Information about the programming language used in the PLC

• Information about the status of all the inputs and outputs

• Information about the power supply of the PLC

What is an address in the context of a PLC’s memory?

• It is a label or number that indicates where a certain piece of information is located

• It is a label or number that indicates the serial number of the PLC

• It is a label or number that indicates the power consumption of the PLC

• It is a label or number that indicates the manufacturing date of the PLC

What is a bit in the context of binary digits?

• A digit that can be either 2 or 3

• A digit that can be either 0 or 1

• A digit that can be either 1 or 2

• A digit that can be either 3 or 4

What is a tag in the context of data storage?

• An alphanumeric name assigned to all data

• A symbolic name assigned to all data

• An alphabetic name assigned to all data

• A numeric name assigned to all data