div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader043vdocumentsnetreader043viewer20220403155e17dd0b38f60c34cf6ab6bchtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: · security features to meet a performance level safety integrity level SIL SIL 3 according to EN 61511 The bases for the preparation of this certificate are described in the src=https:reader043vdocumentsnetreader043viewer20220403155e17dd0b38f60c34cf6ab6bchtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdiv