SACA 207 – PLC IP/COMMUNICATIONS TEST QUESTIONS AND CORRECT ANSWERS

SACA 207 – PLC IP/COMMUNICATIONS TEST QUESTIONS AND CORRECT
ANSWERS




One of the advantages of a PLC is that it lets many instructions to be controlled
by one command and it does not matter how many of them are XIC or XIO.

A. Results
B. The Counter
C. Input
D. Timer - Response C. Enter

Which of the following configuration parameters needs to be set up properly in
order for a PLC and PC to communicate?

A. IP address and MAC address
B. None of the aforementioned C. Subnet and IP address
D. USB port - ANSWER C. IP address and subnet

With the exception of not directly controlling a PLC output, which of the
following instruction types functions exactly like an output instruction?

A. MOVE instruction
B. Output instruction with memory bit address
C. Output instruction with relative address
D. SUB instruction - ANSWER B. Output instruction with memory bit address

What else is utilized to debug a PLC besides the status indicators and PLC
software?

A network switch
B. Multimeter
C. MCR
D. PLC LCD screen - ANSWER D. PLC LCD screen

What kind of input device is typically used in event-driven logic programs to
automatically signal the controller to start the next step in the sequence after the
sequence has begun?

A. Limit switch
B. NOPB