MULTIPLE CHOICE process e. single-ended d. data acquisition PLC application invo

Question

MULTIPLE CHOICE process e. single-ended d. data acquisition PLC application involves one PLC controlling one control-management uctions along with a short description of their e. instruction set d. progranm ANS: 2. -for a particular PLC lists all instr The a. software b. handware ANS: is the most commonly used programming device for PLCs 3.al computer c. operator interface d. processor b. hand-held programmer ANS 4. In which modale of the PLC is the decision making performed? c. output module d. power supply module a. processor module b. input module ANS: Which of the following is a factor effecting the memory size needed for a PLC installation? a. voltage rating of field devices b. number of VO points ANS: s. current rating of field devices type of programming device c. d. Additional optional PLC components are often available, including: a. 6. c. network interfaces d. all of these operator interface devices b. communication adaptors ANS: Which of the following is a task that a PLC is NOT capable of performing? a. timing b. counting 7. c. directly switching large motors d. comparing ANS 8. The main advantage of fixed IVO is: a. lower cost greater selection of modules faster replacement of /O modules c. b. increased flexibility ANS: d. The processor section of the PLC is where: a. the program is stored b. the inputs are connected ANS: 9. c. d. the outputs are connected the sensors are located 10. The input interface module: allows the user to input a program a. allows the CPU to input messages to a CRT screen c.

Explanation / Answer

1)

A multitask PLC application involves one PLC controlling several processes.

A control management PLC application involves one PLC controlling several other PLCs.

A single-ended PLC application involves one PLC controlling one process.

Thus, the correct answer is option (c).

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