Division 2.1 General requirements

The manufacturer shall provide a documentation package, which describes the basic design of the safety instrumented system and the means by which it is linked to other vehicle systems or by which it directly controls output variables. The function(s) of the safety instrumented system and the safety concept, as laid down by the manufacturer, shall be explained in the documentation. For the purpose of inspections, the documentation shall indicate the means by which the current operational status of the system can be checked.

Documentation shall be provided in two parts:

1. (a)

   The formal documentation of the safety instrumented system for the purposes of approval, containing the information listed in sections 2.2. to 2.4. This shall serve as the basic reference for the approval process set out in section 3.

2. (b)

   Any additional material and analysis data relevant for the approval of the safety instrumented system.