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Modelling of cleaning equipment
 In the frame of a building refurbishment project, our customer decided to renew the cleaning equipment used for parenteral drug production apparatus.
 
Due to some specific needs, our customer was obliged to have the equipment built by one supplier whilst having another supplier program the automation for these machines. In this context, it was necessary to be able to test and validate automation programming without actually having the cleaning equipment available.


The Project
Our customer therefore asked us to use SPOC software (operation input-output simulation) to model the operation of this equipment. This software, which can be run on an ordinary PC, was developed by Assystem to test automation programs by stimulating their inputs-outputs and a simulation of the operative part of the process.

A simulation platform was deployed on the customer’s site, in collaboration with the supplier of the automation software.
This platform comprised:

  • A supervisor PC
  • A Siemens S7 automaton
  • A PC with SPOC software, connected to the automaton via a network card


Scope of work assigned to Assystem
Assystem was assigned the performance and qualification of SPOC software set-up, and participation in the automation certification tests.

  • Definition of functional specifications for modelling based on the automation functional analysis, the P&ID communicated by the equipment supplier and the list of automaton inputs-outputs
  • Modelling, i.e., set-up of SPOC simulation software
  • Definition of a modelling certification protocol
  • Corresponding certification tests performed by the automation program supplier
  • After modelling certification, Assystem participated in the test and certification of the automation programs


Results
The fact that the programs were certified using the SPOC software allowed us to:

  • Test automation without requiring the equipment itself
  • Gain time in the QI/QO equipment certification phases: because their programs had already been validated, only those functions that could not be simulated needed to be certified on site

SPOC modelling therefore contributed to minimising project duration.




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