Which of the following is not a processor register held in a stack?
In an EQU instruction, Source A and Source B can both be ___…
In an EQU instruction, Source A and Source B can both be ______________________________.
The NEG instruction ____.
The NEG instruction ____.
When RET instruction is executed, the processor jumps from t…
When RET instruction is executed, the processor jumps from the ____.
In the following ladder logic diagram displayed, what value…
In the following ladder logic diagram displayed, what value in C5:0 ACC will not turn on the green pilot light (G-PLT)?
System program files ______________________________ and ____…
System program files ______________________________ and ______________________________ are not available to a PLC programmer.
Internal bit C5:0/CU is on when the input to the count up in…
Internal bit C5:0/CU is on when the input to the count up instruction C5:0 is open.
In a multiply instruction, the result cannot be placed in th…
In a multiply instruction, the result cannot be placed in the integer register N7:2.
The MEQ instruction is used to hide bits prior to testing.
The MEQ instruction is used to hide bits prior to testing.
How many counter instructions can an Allen-Bradley PLC have?
How many counter instructions can an Allen-Bradley PLC have?