Documentation issue statusVersionComment3.1.0Chapter “Technical data” updatedDocument structure updatedChapter “Disposal” addedChapter “Instructions for ESD protection” updatedChapter “Beckhoff Identification Code (BIC)” addedNew title page3.0.1Technical data updated3.0.0Migration2.1.0Technical data updatedATEX notes addedKL9540-0010 updated2.0.0Permitted ambient temperature range extendedKL9540-0010 added1.0First public issue (describes KL9540-0000 and KL9550-0000)