This standard provides guidance on the appropriate use and interpretation of GB/T 16855.1-1997. It also gives further information on the following topics:
——How the control system contributes to reducing risk in the machine;
——What is meant by the safety-related parts of the control system in relation to safety functions;
——The proper selection and use of categories;
——The role of annex B of GB/T 16855.1-1997.
2 Normative References
The following normative documents contain provisions which, through reference in this part of GB/T 16855, constitute provisions of this part. For dated reference, subsequent amendments to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this part are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative document referred to applies.
GB/T 16855.100-2005 The following standards are cited：
