The standard is intended to symbolize the binary control functions of a system in a manner that can be applied to any class of hardware, whether it be electronic, electrical, fluidic, pneumatic, ...

Purpose To produce and maintain a recommended practice for the development and use of process flow diagrams and piping and instrument diagrams. Meetings ISA5.7 does much of its work electronically.

DCS programming involves designing, configuring, and testing the logic and algorithms that control the process variables, such as temperature, pressure, flow, and level.