CEI develops simulation programs using a simulation software package. The simulation software has all of the system I/O configured and mapped so the PLC sees the simulation as all of its I/O. This allows the HMI/PLC system to run in a testing environment. All HMI to PLC communications are verified. All auto sequences are run. All devices are ‘checked-out’. We typically simulate all I/O that requires a feedback as well as all analog transmitters.
As a part of many projects, customers review the control system in this simulation environment as a Factory Acceptance Test. Customers have found it useful to have Process Designers, Plant Management, Plant Supervisors, and Controls Engineers attend these reviews. This allows all parties to gain a better understanding of the system before field start-up. The results are more efficient start-ups and a fine tuned control system – which is added value to your projects.
