It is “programmable” in that the user can set it up to implement a specific set of desired steps, and also include conditional operations which are based on logic statements. A: The PLC can implement Boolean logic operations such as: IF A AND B are TRUE, THEN do D ANSWER: EPROM. B. Which one of the following statements on PLC 5 and SLC 500 binary bits is NOT true? Label the following statements as TRUE or FALSE. Increased space requirement c. Increased switching speed d. All of the above. D. It … The block diagram of PLA is shown in the following figure. Hence, it is the most flexible PLD. Here, the inputs of AND gates are programmable. C. It's a hardwired controller. Most PLCs have a fixed number of timers _____ Normally closed contacts “invert” the state of the signal they reference _____ PLCs are advantageous for use in fixed-circuit or fixed program operations _____ 4. It's a solid-state device. It has one timed coil. Complete the following statements. C) PLC Ladder logic uses memory bits as internal relays. a. EPROM b. EEPROM c. Flash d. All of the above. 58) Simple Programmable Logic Devices (SPLDs) are also regarded as _____. a. 4.1.2 PLC vendor shall provide the system software and associated equipment, interface tools and required cables. Short design cycle b. A single PAL chip can replace several MSI and SSI parts. 4 Programmable Logic Controllers (PLC) Specifications and System Overview 4.1 General. Using Programmable Logic and the PALCE22V10 Programmable logic chips (like the PALCE22V10) provide a convenient solution for glue logic and state machine control required by your design. That means each AND gate has both normal and complemented inputs of variables. among the following statement/s is/are not an/the advantage/s of Programmable Logic Devices (PLDs)? A) The status of PLC internal relay bits is displayed in the Binary Bit Data File. A. A programmable logic device (PLD) is an electronic component used to build reconfigurable digital circuits.Unlike integrated circuits (IC) which consist of logic gates and have a fixed function, a PLD has an undefined function at the time of manufacture. Q: What does “programmable logic” mean in this context? 4.1.1 PLC shall be standalone equipment formed of CPU, power supply module, communication module, input/output modules, and programming software as a minimum. Generic Array Logic (GAL) c. Programmable Logic Array (PLA) d. All of the above Before the PLD can be used in a circuit it must be programmed (reconfigured) by using a specialized program. 57) Which among the following is/are not suitable for in-system programming? The History of Programmable Logic Controllers In the late 1960’s an American company named Bedford Associates released a computing device they called the MODICON . Which of the following statements correctly describes a programmable logic controller? 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