PHYS 204A Midterm: PHYS 204A Chico State Exam 2 Fall 05
Document Summary
The entire test is closed book, closed notes. You will get problems 5, 6, and 7 after you turn in this page. 5/6/02: [10] identify each of the pneumatic system components on the diagram below with a complete name/description, [5] several rules for creating ladder logic diagrams were given in your notes and were discussed in class. Based on these rules, sketch an illegal or block in a plc diagram and describe why it is not allowed. [6] name 3 of the 4 fundamentally different sensing technologies/types of proximity sensors studied in me 360 and used in lab. Give a primary advantage of each technology/type over the others. [4] show the connections necessary to wire an omron proximity sensor to input x3 of the direct. The schematic label attached to the proximity sensor is shown to the left (do not wire the schematic to the plc!) Over: [15] a pneumatic system and its plc controls are shown below.
