Contributing Editor, Tracy J. Coates P.E. is a consulting engineer at PCE Engineering, Johnson City, Tenn.

Integrated system design tool

Control system implementation requires many design issues to be addressed and documented. Principal among these are logic diagrams, wiring diagrams, and component layout drawings. Many factors weigh in when selecting among many design documentation approaches. These factors typically include project size, project complexity, probability of replication (will this be done again), support plans (w...