Sequencing
A PLC uses ____________ to cause each sequence step to occur by turning output devices on or off.
Logic
The First Scan Flag is often used in applications to ____________ a program to a known state on power-up of the controller.
Initialize
____________ tag types may contain integer values between -32,768 and + 32,767.
INT
There are two types of analog signals produced most often by sensors: DC voltage and DC __________.
Current
A(n) ____________ is a device that converts energy from one form to another.
Transducer
In a single-cycle sequence program, the start and stop inputs ____________ control the output.
Directly
Program Control instructions alter the program ____________ of a PLC from its normal sequence.
Scan
Energizing the ADD instruction causes the processor to add the contents of Source A to the contents of Source B and place the result in the tag defined in the instruction's ____________ field.
Destination
The ____________ od a sensor is calculated by dividing the output span by the input range.
Sensitivity
In the United States, the ____________ signal is the most commonly used signal range for output devices.
4-20 mA
In the continuous-cycle program, the start and stop pushbuttons control an internal ____________, which starts and stops the sequence.
Relay
A MCR zone uses two MCR ____________; one on the initial MCR rung and one on the end MCR rung.
Coils
Sources A and B of the MUL and DIV instructions may contain ____________ or constant values.
Tags
Analog inputs must be ____________ and configured.
Enabled
The ability to ____________ the physical output signal of an output transducer for a given input is a useful skill for troubleshooting and design.
Calculate
On/Off control is a(n) ____________ control method that is commonly used in PLC programming.
Closed-loop
A subroutine is a program that can be called by another ____________.
Routine
____________ instructions are PLC instructions that copy the contents of almost any PLC memory tag to another tag.
Data transfer
On/Off control systems maintain the state of a process by keeping the process ____________ within a specified operating range.
Variable
____________ is used to prevent installation of a module in the wrong slot in a chassis.
Electronic keying
On/OFF controllers do not provide steady ____________ current or voltage to regulate the process.
Output
A JMP instruction must always be used with a(n) ____________ instruction.
LBL
The ____________ instruction is used to copy the data contained in one tag to another tag.
MOV
The data stored by Studio 5000 analog modules can be viewed using the ____________ feature of Studio 5000 software.
Module-defined
The VSD ____________ signal remains on until the stop pushbutton is pressed.
Enable