Q1. a. Name three PLC output types, and the type of load they can activate? a. What is the size of Work memory, Load memory, and Retentive memory for CPU1214C? b. Name three reasons for use of flags in PLC control program. c. - Name three digital input devices that can be connected to PLC's inputs. d. Specify approximate number of ( mathrm{IO} ) (Input/Output) points for small, medium and large PLC system. e. What does a PLC do in each scan cycle? f. Name three types of memory used to store programs in PLC systems. g. Name three digital output devices that can be connected to PLC's outputs. i. Explain what it means if an Input/output block is rated as IP55, and how does this rating have implications on mounting the unit. j. Identify each valve type shown below

Q1. a. Name three PLC output types, and the type of load they can activate? a. What is the size of Work memory, Load memory, and Retentive memory for CPU1214C? b. Name three reasons for use of flags in PLC control program. c. Name three digital input devices that can be connected to PLC's inputs. d. Specify approximate number of IO(Input/Output) points for small, medium and large PLC system. e. What does a PLC do in each scan cycle? f. Name three types of memory used to store programs in PLC systems. g. Name three digital output devices that can be connected to PLC's outputs. i. Explain what it means if an Input/output block is rated as IP55, and how does this rating have implications on mounting the unit. j. Identify each valve type shown below