Use EdrawMax to create process and instrument elevation drawing to understand how elevation works. The below elevation drawing template shows the interconnection of process equipment and the instrumentation used to control the process. In the process industry, a standard set of symbols is used to prepare drawings of processes. A process and instrumentation diagram includes the piping, vessels, control valves, instrumentation, and other process components and equipment in the system. Instead of creating process and instrument elevation diagrams from scratch, try using EdrawMax to create elevation drawings as it has predefined templates that let you create factually correct diagrams.