Profibus Question & Answers April 1, 2022 By WatElectronics This article lists 50 Profibus MCQs for engineering students. All the Profibus Questions & Answers given below include a hint and a link wherever possible to the relevant topic. This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up on their fundamentals Profibus. A bus is a hardware device designed for allowing data transfer between two or more peripherals by physically connecting to its ports based on its design structure. For safer communication between the devices using buses, there is a number of communication protocols designed. These communication protocols include inter-system protocols (USB, USART, and UART), intrasystem protocols (I2C, SPI, and CAN), IoT protocols (WiFi, SigFox, MQTT, etc)PLC communication protocols (Profibus, Interbus, Modbus, and more). A Profibus is a standard communication protocol deployed in PLC-based modules via networks. Profibus is addressed using a DIP switch and is classified into PROFIBUS DP and PROFIBUS PA. Where A PROFIBUS DP is a decentralized type of peripheral, and a PROFIBUS PA is a centralized type peripheral. PROFIBUS holds the half-duplex type of communication. MSBI, RS485, fiber optics, and RS485-IS are the transmission technologies of PROFIBUS. They are used in the data transformation process and controlling the device in industrial applications. They benefit in terms of usability and flexibility. 1). Which of the following is the type of network for profibus? Device bus Process control Automation All the above None Hint 2). Which of the following is the physical media of profibus? Fiber Twisted pair Optical Both a and b None Hint 3). Which of the following is the device addressing of profibus? DIP switch Hardware Software All the above None Hint 4). How many types of profibus are used currently? 1 2 3 4 None Hint 5). A PROFIBUS DP is a ___ type of peripheral? Decentralized Process automation Centralized All the above None Hint 6). Which of the following type of profibus designed to control peripheral devices in industrial application? PROFIBUS DP PROFIBUS PA PROFIBUS BA Both b and c None Hint 7). Which of the following type of profibus designed to monitor measuring devices in automation application? PROFIBUS DP PROFIBUS PA PROFIBUS BA None of the above None Hint 8). Identify PLC based communication protocol? Profibus Modbus CompoNet All the above None Hint 9). PLC protocols mainly depends on ____ factors of application? Baud rate Length of network Number of nodes All the above None Hint 10). Which of the following is the baud rate of Ethernet in PLC protocols? 100Mb/s 150Mb/s 200Mb/s 300Mb/s None Hint 11). Which of the following is the baud rate of profibus? 5-12 Mb/s 4-8Mb/s 8-12Mb/s 9-14Mb/s None Hint 12). A profibus is a____ communication protocol? Master/salve Peer to peer Client/server Both a and b None Hint 13). How many number of masters a profibus comprises of? 1 2 3 Many None Hint 14). Which of the following media access algorithm profibus uses? Token-passing Ticketing Hash key All the above None Hint 15).Which of the following is the physical layer standard of profibus? RS 485 IEC 61158-2 IC2-61158 Both a and b None Hint Profibus Questions and Answers 16). Abbreviate PROFIBUS. Process Field Bus Protect Field Bus Pass Field Bus Project Field Bus None Hint 17). Which of the following is the application field of PROFIBUS? Factory Automation Process Automation Both a and b None of the above None Hint 18). Which of the following are the applications of factory automations? Logistics Production Water treatment Both a and b None Hint 19). Which of the following are the applications of PROFIBUS PA? Oil Gas Water treatment All the above None Hint 20). PROFIBUS PA operates at ___ kbps? 31.25 28.25 30.25 32.25 None Hint 21). PROFIBUS holds ___ type of communication? Half duplex Full duplex Semi duplex Both a and b None Hint 22). PROFIBUS DP is based on ____ protocol? RS485 CR485 MBP-IS Both b and c None Hint 23). PROFIBUS PA is based on ____ protocol? RS485 MBP-IS CR485 Both a and b None Hint 24). PROFIBUS DP networks are installed on _____ protocols? Large Daisy Chain RS485 CR485 All the above None Hint 25). MBP stands for ___? Manchester’s Coding Bus Powered Manchester’s Cord Bus Powered Manchester’s Coding Byte Powered Manchester’s Coding Bus Pass None Hint 26). Which of the following is the data transmission of MBP transmission technology in PROFIBUS? Digital Bit-synchronous Manchester’s coding All the above None Hint 27). Which of the following are the transmission technologies of PROFIBUS? MSBI RS485 Fiber optics All the above None Hint 28). Which of the following is the data transmission method of fiber optics? Optical Digital NRZ All the above None Hint Profibus MCQs for Interviews 29). Which of the following is the data transmission method of RS485, RS485-IS? Digital Differential signal NRZ All the above None Hint 30). Which of the following is the transmission rate of RS485? 9.6 to 12000 KB/sec 9.6 to 1500 KB/sec 9.6 to 1400 KB/sec 9.6 to 1200 KB/sec None Hint 31). Which of the following is the transmission rate of RS485-IS? 9.6 to 1200 KB/sec 9.6 to 1500 KB/sec 8.6 to 12000 KB/sec 9.6 to 13000 KB/sec None Hint 32). Which of the following is the data security of MBP? Preamble Error protected Start/end delimiter All the above None Hint 33). Which of the following is the data security of RS485? Parity bit =4 HD=4 Start/end delimiter All the above None Hint 34). Which of the following is the cable type used in RS485? Shielded Twisted pair Cable type A All the above None Hint 35). Which of the following is not a cable type used in MBP? Shielded Twisted pair Cable type A All the above None Hint 36). Which of the following is the cable type of Fiber optic? Multimode glass fiber Single mode glass fiber PCF All the above None Hint 37). In which of the following profibus transmission technologies remote feeding is absent? MBP RS485 RS485-IS Fiber Optics None Hint 38). In which of the following profibus transmission technologies protection is absent? MBP Fiber optic RS485-IS Both b and c None Hint 39). Which of the following is the topology of MBP? Line Tree Star Both a and b None Hint 40). Which of the following is the topology of RS485? Line Tree Star Ring None Hint Profibus MCQs for Quiz 41). Which of the following is the topology of Fiber optic? Line Star Ring All the above None Hint 42). How many minimum number of stations are required for MBP? 28 30 32 34 None Hint 43). How many maximum number of stations are required for MBP? 40 126 120 130 None Hint 44). How many max number of repeaters are required in MBP? 4 9 12 32 None Hint 45). How many max number of repeaters are required in RS485? 4 9 12 32 None Hint 46). How many max number of repeaters are required in Fiber optic? 4 9 12 Infinite None Hint 47). A bus is a _____? Hardware Software Both a and b None of the above None Hint 48). ____ is defined as set of regulations and rules? Communication Protocols Device Both b and c None Hint 49). How many types of communication protocols are present? 2 3 4 5 None Hint 50). Which of the following are the types of intra system communication protocols? I2C SPI CAN All the above None Hint Read more about I2C. Please fill in the comment box below. Time's up
