If a PLC run light is expected to be on, but is not, check for ____.
Channel 1 of an Allen-Bradley SLC 5/05 can interface to a(n)…
Channel 1 of an Allen-Bradley SLC 5/05 can interface to a(n) ______________________________ network.
The force function in manufacturing plants ____.
The force function in manufacturing plants ____.
A PLC programmer should first use the forced function to tes…
A PLC programmer should first use the forced function to test ____.
In addition to checking the indicator lights, technicians mu…
In addition to checking the indicator lights, technicians must also maintain a clean environment around the PLC cabinets.
The power light is on when the PLC has proper ______________…
The power light is on when the PLC has proper ______________________________ voltage input to the power supply module and the correct ______________________________ output voltage from its power supply module.
The CPU fault light on the front of the PLC panel is turned…
The CPU fault light on the front of the PLC panel is turned off when there is an error in the operation of the PLC ladder logic diagram.
A(n) ______________________________ condition is when the pr…
A(n) ______________________________ condition is when the programmer can close or open inputs and turn outputs on or off using computer keystrokes.
The ______________________________ light is on when the proc…
The ______________________________ light is on when the processor is in the run mode.
The ______________________________ instruction reads input d…
The ______________________________ instruction reads input data from an input module or register and then compares the input data to the step patterns in a bit data file (B3 or B10) or integer data file (N7).