pee pee
When the logic preceding a(n) ? instruction changes from true to false, it stops timing and the accumulated value is reset to zero.
TON
Analog actuators are connected to the ? terminals of a PLC and receive analog signals from the output section.
Analog output
There is/are ? method(s) for terminating device and component wires at a PLC.
3
The project tree consists of folders and files that contain all of the information about the PLC program named in the ? bar.
Title
? are one of the most common sources of intermittent PLC problems.
Loose connections
Counter instructions are located in data table file ? .
5
The number of analog input and output terminals corresponds with the ? of the PLC.
Size
When the power status indicator light is on, the problem is ? .
the programmable controller is not in run mode
? buttons can also be used to move the contents of a window by clicking on the buttons for right/left or up/down movement.
Scroll
As part of a visual inspection, use ? to remove dust and contaminants from PLCs and enclosures.
an electrostatic discharge (ESD) safe vacuum
The accumulated value of a CTD instruction decreases by one for every ? transition of the logic preceding a CTD instruction on a rung.
False to true
The instructions, any other documentation, and software should be removed and any paperwork ? .
Stored in safe location
The TECO PLC error code for “FBD code logic check error” is ? ERROR.
LOGIC
A common mistake is to choose the Force Off option instead of the ? option.
Remove Force
When checking the PLC power supply and processor LEDs, ? must be ON.
POWER and RUN
Math instructions have ? source(s) and a destination for the result of the calculation.
2
PLCs are mounted ? and the top of the PLC facing up on the door or inside wall of the PLC enclosure.
horizontally with the name of the manufacturer facing out
? is more than a 10% decrease in voltage for 0.5 cycles to one minute.
Voltage Sag
Forcing used during ? verifies that the wiring to input devices and output components is in working order.
Startup debugging
The ? of a PLC monitors battery voltage level.
processor
A(n) ? instruction operates independently of the PLC processor scan.
HSC
Conductors that are run from the PLC enclosure to another location should be in a(n) ? conduit regardless of the signal type or voltage level.
Metal
? is temporary unwanted voltage on a power line for a very short period of time.
Transient voltage
Software maintenance covers the ? .
PLC Program
Equipment that is required for PLC programming includes ? .
all of the above