Exam (elaborations)
PLC SACA STUDY GUIDE QUESTIONS AND ANSWERS 2024
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PLC SACA STUDY GUIDE QUESTIONS AND ANSWERS 2024
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PLC SACA STUDY GUIDEA MCR zone uses two MCR __________; one on the initial MCR rung and one on
the end MCR rung. - ANSWERS-Coils
When the __________ instruction is true, all program logic between it and the
LBL instruction is frozen in its last state. - ANSWERS-JMP
A JMP instruction must always be used with a(n) __________ instruction. -
ANSWERS-LBL
The __________ field contains the tag to which the instruction writes the result of
the operation. - ANSWERS-Destination
The current __________ of a SUB instruction's Source or Destination is displayed
below its tag. - ANSWERS-Value
What instruction uses a mathematic expression to perform conversion operation
on an input source? - ANSWERS-Compute (CPT)
Energizing the __________ instruction causes the PLC to subtract one value
(Source B) from another value (Source A). - ANSWERS-SUB
, What PLC program instruction is used to make decisions and control operations
based on the values of data in the program? - ANSWERS-Comparison
The __________ instruction is used to copy the data contained in one tag to
another tag. - ANSWERS-MOV
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. - ANSWERS-Destination
Energizing the __________ instruction causes the value in Source A to be
multiplied by the value stored in Source B. - ANSWERS-MUL
Sources A and B of the DIV instruction may contain __________ or constant
values. - ANSWERS-Tags
_______ instructions are PLC instructions that copy the contents of almost any
PLC memory tag to another. - ANSWERS-Data transfer
Some of the more common functions include addition, __________, division, and
multiplication. - ANSWERS-Subtraction
A PLC requires much less __________ than a hardwired relay panel that could do
the same job. - ANSWERS-Space
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