Plc programming - Study guides, Class notes & Summaries

Adding I/O points in an existing rack is called  local expansion The speed at which a LAN processes a piece of information is called  baud rate As a good general rule, you should replace the battery in a programmable controller  annually Which documentation shows how all field devices are wired and connected to the controller?  Schematic diagram Which type of data transmission uses a single frequency?  Baseband The process of relating software addresses to the physical l...

What is a programmable logic controller (PLC)? - correct answer a specialized computer used to control machines and process. What is the standard programming language used with PLCs? - correct answer Relay ladder logic (RLL) The programmable controller operates in real time. What does this mean? - correct answer that an event taking place in the field...

PLC Quiz 3 Latest Update. t - CORRECT ANSWER 1. The memory organization of a PLC is often called a memory map. t - CORRECT ANSWER 2. The user program contains the logic that controls the machine operation. t - CORRECT ANSWER 3. Most instructions require one word of memory. t - CORRECT ANSWER 4. Scan time varies with program content and length. t - CORRECT ANSWER 5. If any input signal changes state very quickly, it is possible that the controller may never be able to detect the ...

4th Class Power Engineering Unit A9 Chapter 4: Introduction to Programmable Controllers Already Passed This type of PLC cannot be expanded: Select one: a. field transmitter b. modular c. monolithic d. programmable c For programming a HMI you must: Select one: a. add a card to the HMI b. reconfigure the hard drive c. manually restart the HMI d. plug a laptop into the HMI d HMIs restrict operator access to: Select one: a. visual/search interaction only b. start-stop o...

What is the basic function of a PLC? - Answer-Accept inputs, make logical decisions, and send outputs What is the basic difference between a PLC and a relay control system? - Answer-One uses relay control logic and the other uses programmed instructions. Field devices refer to... - Answer-All kinds of sensors and actuators that are physically wired to PLC input/output modules. A contact that is usually opened will look like... - Answer--I IAn imaginary coil that, when energized, will activa...

What is a programmable logic controller (PLC)? - correct answer a specialized computer used to control machines and process. What is the standard programming language used with PLCs? - correct answer Relay ladder logic (RLL) The programmable controller operates in real time. What does this mean? - correct answer that an event taking place in the field...

Advanced Study PLC Ch. 2 Exam Questions Correctly Answered. PLC timers are input instructions that provide the same functions as mechanical timing relays. - CORRECT ANSWER F Timer instructions are no all PLCs manufactured today, manufactured today - CORRECT ANSWER T The retentive timer reset (RES) instruction is always given the same address as the timer it resets - CORRECT ANSWER T A lamp is to be switched on whenever a piping system has sustained a cumulative overpressure of 60 s...

The__________ will account for most of the total memory of a give PLC system. a) input image table file c) user program b) output image table file d) internal operating instructions CORRECT ANSWER c) user program The status bit of switches and pushbuttons connected to a PLC are stored in the: a) input image table file. c) user program. b) output image table file. d) all of these. CORRECT ANSWER a) input image table file. The memory organization of a PLC can be divided into What two br...

PLC Study Guide Quiz 1 Correctly Answered. What is a programmable logic controller (PLC)? - CORRECT ANSWER An industrial grade computer that is capable of being programmed to perform control functions. It is basically a digital computer designed for use in machine control. Identify four tasks in addition to relay switching operations that PLCs are capable of performing. - CORRECT ANSWER Timing, counting, calculating, and the processing of analog signals. List six distinct advantages t...

The basic function of a PLC is to... - Answer-... accept inputs, make logical decisions, and send outputs. The basic difference between a PLC and a relay control system is that ... - Answer-... one uses relay control logic and the other uses programmed instructions. -| |- - Answer-... can be thought of as a contact that is usually opened. -( )- - Answer-... imaginary coil that, when energized, will activate a digital output contact. Determine the number of possible combinations of a six dig...