The actual scan time is:
A) calculated and stored in the PLC's memory.
B) computed each time the END instruction is executed.
C) the time taken to scan inputs and outputs and execute the user program.
D) all of these.
Correct Answer:
Verified
Q44: A ladder rung is said to have
Q44: A(n) _ scan pattern examines instructions rung
Q45: The Output Energize instruction:
A)is also known as
Q46: A programmed XIO instruction:
A)with a bit status
Q48: For the program shown,instruction B represents an:
Q50: The _ instructions always interpret a 1
Q51: For the program shown,instruction A represents an:
Q52: A programmed XIC instruction:
A)with a bit status
Q54: The addressing format used with PLCs:
A)is standard
Q56: The two types of patterns used to
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