Question

58. (TCO 7) Technician A says a PLC enclosure should contain a power disconnect switch for physie isolation from the main power. Technician B says a programmed master control reset can also be u to achieve the same results. Who is correct? (Points : 4) O Only Technician A O Only Technician B Both Technician A and Technician B O Neither Technician A nor Technician B 59. (TCO 7) Which of the following statements is true for PLC analog input modules? (Points : 4) O Input modules can accept variable voltage levels. O Input modules can only accept AC signals. Input modules can only accept DC signals. O All of the above 60. (TCO 7) What are some of the applications of HMI devices? Check all that apply. (Points :4) To replace the CPU in a PLC To monitor the status of equipment To quickly identify equipment breakdown D To create a ladder logic program

Answer 1

Only tschioat A く。