No abstract

No abstract

The growing automation demands of production make the automation systems more complex and vulnerable to failures. For this reason, some instructions have been created (CAT, SIL) that must be followed, in order to insure their safe operation in case of a failure of both the hardware and the software. For a credible operation of a Fail Safety system along with a system to work on SIL2 or SIL3, must have Safety Hardware and Software. This present paper analyses the response of the Hardware of a Basic PLC and the equipment of an automation system. It also presents a descriptive analysis of the experiment, which was conducted to record measurements in order to draw firm conclusions. In addition, the measurements are analysed and evaluated to verify if basic equipment could be used in these systems and insure the Safety function at the same time. The objective is to simply prove that if we manage an already existing Basic PLC equipment differently, it could upgrade the security of automation systems. Therefore, with a low cost in time and money, particularly in existing automation systems, there could be Fail Safety operations.

No abstract